Job Title. Company Size Company Size: 1 - 25 26 - 99 - - 1, - 4, 5, - 9, 10, - 19, 20, or More. Get notifications on updates for this project. Get the SourceForge newsletter. JavaScript is required for this form. No, thanks. Project Samples. Project Activity. Follow Wubi, the easiest way to Linux! Mit einem Experten sprechen. User Ratings 5. User Reviews Filter Reviews: All. Thank you. Get the SourceForge newsletter.
JavaScript is required for this form. No, thanks. Linux BSD. Project Activity. Categories Linux , Hardware , Boot , Filesystems. Mit einem Experten sprechen. User Ratings 3. User Reviews Filter Reviews: All. On occasion, I still use it. Additional Project Details Winner: Hardware category Report inappropriate content. MacBooks macOS Such devices will continue to broadcast identity information to nearby devices even when offline using Bluetooth Low-Energy They do not have access to the devices directly which are not connected to the internet but instead use BLE to find them through other nearby devices They are using peer-to-peer short-range Bluetooth communication to broadcast their status through nearby online devices.
The IMEI is tied directly to the phone you are using. This number is known and tracked by the cell phone operators and known by the manufacturers. It is possible but difficult and not illegal in many jurisdictions 89 to change the IMEI on a phone but it is probably easier and cheaper to just find and buy some old working Burner phone for a few Euros this guide is for Germany remember at a flea market or some random small shop.
The IMSI is tied directly to the mobile subscription or pre-paid plan you are using and is tied to your phone number by your mobile provider. The manufacturer of the Phone can trace back the sale of the phone using the IMEI if that phone was bought in a non-anonymous way. And if you are using a phone that you bought online or from someone that knows you.
It can be traced to you using that information. The IMSI is then tied to the identity of the buyer of the card. In the countries where the SIM can still be bought with cash like the UK , they still know where which shop it was bought and when. Or again the antenna logs can also be used to figure out which other phone was there at the moment of the sale. They too can trace back the history of the phone and to which accounts it was tied in the past These devices can impersonate to spoof a cell phone Antenna and force a specific IMSI your phone to connect to it to access the cell network.
While there are some smartphones manufacturers like Purism with their Librem series 98 who claim to have your privacy in mind, they still do not allow IMEI randomization which I believe is a key anti-tracking feature that should be provided by such manufacturers.
The MAC address 99 is a unique identifier tied to your physical Network Interface Wired Ethernet or Wi-Fi and could of course be used to track you if it is not randomized. As it was the case with the IMEI, manufacturers of computers and network cards usually keep logs of their sales usually including things like serial number, IMEI, Mac Addresses, … and it is possible again for them to track where and when the computer with the MAC address in question was sold and to whom.
Maybe yours before you decided to use the MacBook for sensitive activities. Some commercial devices will keep a record of MAC addresses roaming around for various purposes such as road congestion If you use your own laptop, then it is crucial to hide that MAC address and Bluetooth address anywhere you use it and be extra careful not to leak any information. Again, it can be used to track you as manufacturers and operating system makers keep logs of such information.
Operating systems have protections in place to randomize those addresses but are still subject to vulnerabilities On Windows 10, you will need to disable and enable the Bluetooth device in the device manager itself to force randomization of the address for next use and prevent tracking. In general, this should not be too much of a concern compared to MAC Addresses. BT Addresses are randomized quite often. Those management platforms are small operating systems running directly on your CPU as long as they have power.
These have already been affected by several security vulnerabilities in the past that allowed malware to gain control of target systems. These are also accused by many privacy actors including the EFF and Libreboot of being a backdoor into any system If you are feeling a bit more adventurous, you could install your own BIOS using Libreboot or Coreboot if your laptop supports it be aware that Coreboot does contain some propriety code unlike its fork Libreboot.
Some of these can be avoided using Virtualization Software settings that can mitigate such exploits. I will therefore mitigate some of these issues in this guide by recommending the use of virtual machines on a dedicated anonymous laptop for your sensitive activities that will only be used from an anonymous public network. Most popular Operating Systems now collect telemetry information by default even if you never opt-in or opted-out from the start. Some like Windows will not even allow disabling telemetry completely without some technical tweaks.
This information collection can be extensive and include a staggering number of details metadata and data on your devices and their usage. Here are good overviews of what is being collected by those five popular OSes in their last versions:. Apple does claim that they anonymize this data using differential privacy but you will have to trust them on that.
Not only are Operating Systems gathering telemetry services but so are Apps themselves like Browsers, Mail Clients, and Social Networking Apps installed on your system. It is important to understand that this telemetry data can be tied to your device and help de-anonymizing you and later can be used against you by an adversary that would get access to this data. This does not mean for example that Apple devices are terrible choices for good Privacy tho this might be changing , but they are certainly not the best choices for relative Anonymity.
They might protect you from third parties knowing what you are doing but not from themselves. In all likelihood, they certainly know who you are. Later in this guide, we will use all the means at our disposal to disable and block as much telemetry as possible to mitigate this attack vector in the Operating Systems supported in this guide.
These will include Windows, macOS, and even Linux in some regard. Records your habits and health data steps, screen time, exposure to diseases, connected devices data. Has most likely access to most of your known accounts including social media, messaging, and financial accounts.
Data is being transmitted even if you opt-out , processed, and stored indefinitely most likely unencrypted by various third parties It is also every other smart device you could have:. Your Smart Speaker? Your Car? Any other Smart device? There are even convenient search engines dedicated to finding them online:. Your metadata is all the information about your activities without the actual content of those activities.
For instance, it is like knowing you had a call from an oncologist before then calling your family and friends successively. You do not know what was said during the conversation, but you can guess what it was just from the metadata Odds are several companies are knowing exactly where you are at any time because of your smartphone In addition, this location data is even sold by private companies to the military who can then use it conveniently Your ISP however knows or at least can know you were connected to that same VPN provider on November 4th from am to 2 pm but does not know what you were doing with it.
The question is: Is there someone somewhere that would have both pieces of information available for correlation in a convenient database? Have you heard of Edward Snowden ? Now is the time to google him and read his book The way you click. The way you browse. The fonts you use on your browser Fingerprinting is being used to guess who someone is by the way that user is behaving. You might be using specific pedantic words or making specific spelling mistakes that could give you away using a simple Google search for similar features because you typed comparably on some Reddit post 5 years ago using a not so anonymous Reddit account The words you type in a search engine alone can be used against you as the authorities now have warrants to find users who used specific keywords in search engines Think of when you draft an e-mail in Gmail.
It is saved automatically as you type. They can register your clicks and cursor movements as well. All they need to achieve this in most cases is Javascript enabled in your browser which is the case in most Browsers including Tor Browser by default. Even with Javascript disabled, there are still ways to fingerprint you While these methods are usually used for marketing purposes and advertising, they can also be a useful tool for fingerprinting users.
This is because your behavior is unique or unique enough that over time, you could be de-anonymized. Analysis algorithms could then be used to match these patterns with other users and match you to a different known user. It is unclear whether such data is already used or not by Governments and Law Enforcement agencies, but it might be in the future.
It could and probably will be used for investigations in the short or mid-term future to deanonymize users. You will see it becoming interesting over time this requires Javascript enabled. This guide will provide some technical mitigations using Fingerprinting resistant tools but those might not be sufficient.
You should apply common sense and try to find your own patterns in your behavior and behave differently when using anonymous identities. This includes:. The type of response you use if you are sarcastic by default, try to have a different approach with your identities. You need to act and fully adopt a role as an actor would do for a performance.
You need to become a different person, think, and act like that person. This is not a technical mitigation but a human one.
You can only rely on yourself for that. Ultimately, it is mostly up to you to fool those algorithms by adopting new habits and not revealing real information when using your anonymous identities.
These are clues you might give over time that could point to your real identity. In those posts, you might over time leak some information about your real life. These might be memories, experiences, or clues you shared that could then allow a motivated adversary to build a profile to narrow their search. A real use and well-documented case of this was the arrest of the hacker Jeremy Hammond who shared over time several details about his past and was later discovered.
You can also view some convenient lists of some available OSINT tools here if you want to try them on yourself for example:. You will see more details about this in the Creating new identities section.
That person could then go ahead and upload that selfie to various platforms Twitter, Google Photos, Instagram, Facebook, Snapchat …. In addition to this, the same picture will provide a precise timestamp and in most cases geolocation of where it was taken. Because other people have put a picture of you in their contact list which they then shared with them. Apple is making FaceID mainstream and pushing its use to log you into many services including the Banking systems. The same goes with fingerprint authentication being mainstreamed by many smartphone makers to authenticate yourself.
The same goes with your voice which can be analyzed for various purposes as shown in the recent Spotify patent Even your iris can be used for identification in some places We can safely imagine a near future where you will not be able to create accounts or sign in anywhere without providing unique biometrics A suitable time to re-watch Gattaca , Person of Interest , and Minority Report And you can safely imagine how useful these large biometrics databases could be to some interested third parties.
At this time, there are a few steps you can use to mitigate and only mitigate face recognition when conducting sensitive activities where CCTV might be present:. Wear a facemask as they have been proven to defeat some face recognition technologies but not all Wear a baseball cap or hat to mitigate identification from high-angle CCTVs filming from above from recording your face. Remember this will not help against front-facing cameras. There was a small study showing their efficiency against IBM and Amazon facial recognition Note that if you intend to use these where advanced facial recognition systems have been installed, these measures could also flag as you as suspicious by themselves and trigger a human check.
This could for example be through e-mail or through impersonating financial services. Such attacks can also be used to de-anonymize someone by tricking them into downloading malware or revealing personal information over time.
The only defense against those is not to fall for them and common sense. Using steganography or other techniques, it is easy to embed malware into common file formats such as Office Documents, Pictures, Videos, PDF documents….
These could be simple pixel-sized images hidden in your e-mails that would call a remote server to try and get your IP address. These could be exploiting a vulnerability in an outdated format or an outdated reader Such exploits could then be used to compromise your system. What is a File Format? You should always use extreme caution. To mitigate these attacks, this guide will later recommend the use of virtualization See Appendix W: Virtualization to mitigate leaking any information even in case of opening such a malicious file.
If you want to learn how to try detecting such malware, see Appendix T: Checking files for malware. You could be using those over a VPN for added security. Such exploits could be used to compromise your system and reveal details to de-anonymize you such as your IP address or other details.
A real use case of this technique was the Freedom Hosting case in where the FBI inserted malware using a Firefox browser exploit on a Tor website.
This exploit allowed them to reveal details of some users. More recently, there was the notable SolarWinds hack that breached several US government institutions by inserting malware into an official software update server.
This is the case for instance in China with WeChat which can then be used in combination with other data for state surveillance There are countless examples of malicious browser extensions, smartphone apps, and various apps that have been infiltrated with malware over the years. You should always check that you are using the updated version of such apps before use and ideally validate each download using their signature if available.
You should not use such apps directly from a hardware system but instead, use a Virtual Machine for compartmentalization. Here are some examples that you can already buy yourself:. Hak5, O. Such devices can be implanted anywhere charging cable, mouse, keyboard, USB key … by an adversary and can be used to track you or compromise your computer or smartphone.
The most notable example of such attacks is probably Stuxnet in While you could inspect a USB key physically, scan it with various utilities, check the various components to see if they are genuine, you will most likely never be able to discover complex malware embedded in genuine parts of a genuine USB key by a skilled adversary without advanced forensics equipment To mitigate this, you should never trust such devices and plug them into sensitive equipment.
If you use a charging device, you should consider the use of a USB data blocking device that will only allow charging but not any data transfer. Such data blocking devices are now readily available in many online shops.
This might sound a bit familiar as this was already partially covered previously in the Your CPU section. Malware and backdoors can be embedded directly into your hardware components. And in other cases, such backdoors can be implemented by a third party that places itself between orders of new hardware and customer delivery Such malware and backdoors can also be deployed by an adversary using software exploits. Many of those are called rootkits within the tech world.
Usually, these types of malware are harder to detect and mitigate as they are implemented at a lower level than the userspace and often in the firmware of hardware components itself. What is firmware? Firmware is a low-level operating system for devices. Each component in your computer probably has firmware including for instance your disk drives.
These can allow remote management and are capable of enabling full control of a target system silently and stealthily. As mentioned previously, these are harder to detect by users but some limited steps that can be taken to mitigate some of those by protecting your device from tampering and use some measures like re-flashing the bios for example. Unfortunately, if such malware or backdoor is implemented by the manufacturer itself, it becomes extremely difficult to detect and disable those.
This can be obvious to many but not to all. Most files have metadata attached to them. While this information might not directly give out who you are, it could tell exactly where you were at a certain moment which could allow others to use various sources to find you CCTV or other footage taken at the same place at the same time during a protest for instance. You must verify any file you would put on those platforms for any properties that might hold any information that might lead back to you.
This also works for videos. Yes, videos too have geo-tagging, and many are very unaware of this. For this reason, you will always have to be incredibly careful when uploading files using your anonymous identities and check the metadata of those files. Even if you publish a plain text file, you should always double or triple-check it for any information leakage before publishing.
You will find some guidance about this in the Some additional measures against forensics section at the end of the guide. Think twice. There are chances that those might contain invisible watermarking within them that would include information about you as a viewer. Such watermarks can be enabled with a simple switch in like Zoom Video or Audio or with extensions for popular apps such as Adobe Premiere Pro. These can be inserted by various content management systems.
These watermarks are not easily detectable and could allow identification of the source despite all efforts. In addition to watermarks, the camera used for filming and therefore the device used for filming a video can also be identified using various techniques such as lens identification which could lead to de-anonymization.
You will have to use common sense. Did you know your printer is most likely spying on you too? Even if it is not connected to any network? This is usually a known fact by many people in the IT community but few outside people. Many printers will print an invisible watermark allowing for identification of the printer on every printed page.
This is called Printer Steganography There is no tangible way to mitigate this but to inform yourself on your printer and make sure it does not print any invisible watermark. This is important if you intend to print anonymously. Did you ever see a document with blurred text?
This is of course an open-source project available for all to use. But you can imagine that such techniques have probably been used before by other adversaries. These could be used to reveal blurred information from published documents that could then be used to de-anonymize you.
Some online services could even help you do this automatically to some extent like MyHeritage. For this reason, it is always extremely important that you correctly redact and curate any document you might want to publish. Do not pixelized, do not blur, just put a hard black rectangle to redact information.
Contrary to widespread belief, Crypto transactions such as Bitcoin and Ethereum are not anonymous The issue is mainly when you want to convert Fiat money Euros, Dollars … to Crypto and then when you want to cash in your Crypto. Those exchanges have known wallet addresses and will keep detailed logs due to KYC financial regulations and can then trace back those crypto transactions to you using the financial system This does not mean you cannot use Bitcoin anonymously at all.
You can actually use Bitcoin anonymously as long as you do not convert it to actual currency and use a Bitcoin wallet from a safe anonymous network. Overall, the best option for using Crypto with reasonable anonymity and privacy is still Monero and you should ideally not use any other for sensitive transactions unless you are aware of the limitations and risks involved.
Please do read Appendix B2: Monero Disclaimer. All companies are advertising their use of end-to-end encryption E2EE. Apple and Google are advertising their use of encryption on their Android devices and their iPhones. Well, you should know that most of those backups are not fully end-to-end encrypted and will hold some of your information readily available for a third party. You will see their claims that data is encrypted at rest and safe from anyone … Except they usually do keep a key to access some of the data themselves.
These keys are used for them indexing your content, recover your account, collecting various analytics. There are specialized commercial forensics solutions available Magnet Axiom , Cellebrite Cloud that will help an adversary analyze your cloud data with ease. If you have iCloud Backup turned on , your backup includes a copy of the key protecting your Messages.
This ensures you can recover your Messages if you lose access to iCloud Keychain and your trusted devices. You should not trust cloud providers with your not previously and locally encrypted sensitive data and you should be wary of their privacy claims. In most cases, they can access your data and provide it to a third party if they want to.
The only way to mitigate this is to encrypt your data on your side and then only upload it to such services or just not use them at all. These are used on most websites for invisible user tracking but also to adapt the website user experience depending on their browser.
This means that even If you log out from a website and then log back in using a different username, your fingerprint might remain the same if you did not take precautionary measures. An adversary could then use such fingerprints to track you across multiple services even if you have no account on any of them and are using adblocking. These fingerprints could in turn be used to de-anonymize you if you keep the same fingerprint between services.
This guide will mitigate these issues by mitigating, obfuscating, and randomizing many of those fingerprinting identifiers by using Virtualization See Appendix W: Virtualization , using specific recommendations See Appendix A5: Additional browser precautions with JavaScript enabled and Appendix V1: Hardening your Browsers and using by fingerprinting resistant Browsers Brave and Tor Browser.
Most of you have probably seen enough Crime dramas on Netflix or TV to know what forensics are. These are technicians usually working for law enforcement that will perform various analysis of evidence. This of course could include your smartphone or laptop. These unrelated checks might reveal secret information to adversaries that had no prior knowledge of such activities. Forensics techniques are now very advanced and can reveal a staggering amount of information from your devices even if they are encrypted These techniques are widely used by law enforcement all over the world and should be considered.
I also highly recommend that you read some documents from a forensics examiner perspective such as:. When it comes to your laptop, the forensics techniques are many and widespread. Many of those issues can be mitigated by using full disk encryption, virtualization See Appendix W: Virtualization , and compartmentalization.
This guide will later detail such threats and techniques to mitigate them. I would not want people discouraged from studying and innovating in the crypto field because of that adage.
Good cryptography is usually presented and discussed in conferences and published in various journals. All the good crypto standards are public and peer-reviewed and there should be no issue disclosing the one you use. So, what to prefer and what to avoid as of ? Prefer SHA Serpent TwoFish It is just a matter of when rather than if RSA will ever be broken. So, these are preferred in those contexts due to the lack of a better possibility. Many people have the idea that privacy-oriented services such as VPN or E-Mail providers are safe due to their no-logging policies or their encryption schemes.
Unfortunately, many of those same people forget that all those providers are legal commercial entities subject to the laws of the countries in which they operate. Any of those providers can be forced to silently without your knowing using for example a court order with a gag order or a national security letter log your activity to de-anonymize you. There have been several recent examples of those:. Some providers have implemented the use of a Warrant Canary that would allow their users to find out if they have been compromised by such orders, but this has not been tested yet as far as I know.
Finally, it is now well known that some companies might be sponsored front ends for some state adversaries see the Crypto AG story and Omnisec story In most cases, you will be the last person to know if any of your accounts were targeted by such orders and you might never know at all. If the VPN provider knows nothing about you, it should mitigate any issue due to them not logging but logging anyway.
Illustration: an excellent movie I highly recommend: Das Leben der Anderen Many advanced techniques can be used by skilled adversaries to bypass your security measures provided they already know where your devices are. Observing a blank wall in a room from a distance to figure how many people are in a room and what they are doing Observing a reflective bag of snacks in a room from a distance to reconstruct the entire room Measuring floor vibrations to identify individuals and determine their health condition and mood Realistically, this guide will be of little help against such adversaries as such malware could be implanted on the devices by a manufacturer, anyone in the middle , or by anyone with physical access to the air-gapped computer but there are still some ways to mitigate such techniques:.
Personally, in the context of this guide, it is also interesting to have a look at your security model. And in this context, I only have one to recommend:. PDF [Archive. You only have one laptop available and cannot afford anything else.
You use this laptop for either work, family, or your personal stuff or both :. Your only option on M1 Macs is probably to stick with Tor Browses for now.
But I would guess that if you can afford an M1 Mac you should probably get a dedicated x86 laptop for more sensitive activities. Do you have no IT skills at all the content of this guide look like an alien language to you? You have moderate to high IT skills, and you are already familiar with some of the content of this guide, consider:. Now that you know what is possible, you should also consider threats and adversaries before picking the right route.
If your main concerns are remote adversaries that might uncover your online identity in various platforms, you should consider:. In all cases, you should read these two pages from the Whonix documentation that will give you in-depth insight into your choices:.
See Appendix A2: Guidelines for passwords and passphrases. Skip this step if you have no intention of creating anonymous accounts on most mainstream platforms but just want anonymous browsing or if the platforms you will use allow registration without a phone number. This is rather easy. Leave your smartphone on and at home. It only needs to be in working order. You should never connect that phone to any Wi-Fi. You should test that the phone is in working order before going to the next step.
But I will repeat myself and state that it is important to leave your smartphone at home when going or turn it off before leaving if you must keep it and that you test the phone at a random location that cannot be tracked back to you and again, do not do that in front of a CCTV, avoid cameras, be aware of your surroundings.
No need for Wi-Fi at this place either. When you are certain the phone is in working order, disable Bluetooth then power it off remove the battery if you can and go back home and resume your normal activities.
Go to the next step. This is the hardest part of the whole guide. Do verify that no law was passed before going that would make registration mandatory in case the above wiki was not updated. Try to avoid CCTV and cameras and do not forget to buy a Top-Up voucher with the SIM card if it is not a package as most pre-paid cards will require a top-up before use.
Double-check that the mobile operators selling the pre-paid SIM cards will accept the SIM activation and top-up without any ID registration of any kind before going there. Ideally, they should accept SIM activation and top-up from the country you live in. Do not ever power it on again unless you are not at a place that can be used to reveal your identity and ideally leave your real phone on but at home before going to the safe place with only your burner phone.
This step will require online access and should only be done from an anonymous network. Skip this until you have finished one of the routes.
Unfortunately, these are full of scammers and very risky in terms of anonymity. You should not use those under any circumstance. To this date, I do not know any reputable service that would offer this service and accept cash payments by post for instance like some VPN providers. But a few services are providing online phone numbers and do accept Monero which could be reasonably anonymous yet less recommended than that physical way in the earlier chapter that you could consider:.
Use at your own risk. Now, what if you have no money? In this case, you will have to rely on the anonymity of Monero and you should not use any service that requires any kind of identification using your real identity. Therefore IMHO, it is just more convenient, cheaper, and less risky to just get a pre-paid SIM card from one of the physical places that still sell them for cash without requiring ID registration.
But at least there is an alternative if you have no other choice. Some might be very efficient but many are gimmicky gadgets that offer no real protection They probably have CCTVs in all their shops and keep those recordings for an unknown amount of time. You will need to buy a coffee to get the Wi-Fi access code in most.
If you pay for this coffee with an electronic method, they will be able to tie your Wi-Fi access with your identity. Situational awareness is key, and you should be constantly aware of your surroundings and avoid touristy places like it was plagued by Ebola.
While this will not be available yet to your local police officers, it could be in the near future. You will ideally need a set of separate places such as this to avoid using the same place twice. Several trips will be needed over the weeks for the various steps in this guide. You could also consider connecting to these places from a safe distance for added security.
This part of the guide will help you in setting up the simplest and easiest way to browse the web anonymously. It is not necessarily the best method and there are more advanced methods below with much better security and much better mitigations against various adversaries. Yet, this is a straightforward way of accessing resources anonymously and quickly with no budget, no time, no skills, and limited usage.
So, what is Tor Browser? This browser is different from other browsers as it will connect to the internet through the Tor Network using Onion Routing. It is probably sufficient for most people and can be used from any computer or smartphone. If needed after reading the appendix above , activate the option and select the type of bridge you want:. Personally, if you need to use a Bridge this is not necessary for a non-hostile environment , you should pick a Meek-Azure.
Those will probably work even if you are in China and want to bypass the Great Firewall. It is probably the best option to obfuscate your Tor activities if needed and Microsoft servers are usually not blocked.
As with the desktop version, you need to know there are safety levels in Tor Browser. On Android, you can access these by following these steps:. The Safest level should only be enabled if you think you are accessing suspicious or dangerous websites or if you are extra paranoid. However, the Safer level should be used with some extra precautions while using some websites: see Appendix A5: Additional browser precautions with JavaScript enabled.
After Launching, click the upper right Settings icon Disabling Wi-Fi and Mobile Data previously were to prevent Onion Browser from connecting automatically and to allow access to these options. Personally, if you need to use a Bridge this is not necessary for a non-hostile environment , you should pick a Snowflake one since Meek-Azure bridges are not available.
It is probably the best option you have on iOS. As with the desktop version, you need to know there are safety levels in Onion Browser. On iOS, you can access these by following these steps:. The Gold level should only be enabled if you think you are accessing suspicious or dangerous websites or if you are extra paranoid.
The Gold mode will also most likely break many websites that rely actively on JavaScript. This route is the easiest but is not designed to resist highly skilled adversaries. It is however usable on any device regardless of the configuration. Yet, if your threat model is quite low, it is probably sufficient for most people. If you have time and want to learn, I recommend going for other routes instead as they offer far better security and mitigate far more risks while lowering your attack surface considerably.
It is a bootable Live Operating System running from a USB key that is designed for leaving no traces and forcing all connections through the Tor network. You insert the Tails USB key into your laptop, boot from it and you have a full operating system running with privacy and anonymity in mind. As soon as you shut down the computer, everything will be gone unless you saved it somewhere. Tails is an amazingly straightforward way to get going in no time with what you have and without much learning.
It has extensive documentation and tutorials. And not always up to date with the Tor Browser updates either. You should always make sure you are using the latest version of Tails and you should use extreme caution when using bundled apps within Tails that might be vulnerable to exploits and reveal your location Tails uses Tor and therefore you will be using Tor to access any resource on the internet.
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