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Zerodium Offers $1 Million for Tor Browser 0-Days That It will Resell to Governments

Zerodium Offers $1 Million for Tor Browser 0-Days That It will Resell to Governments

Sep 13, 2017
It seems like Tor Browser zero-day exploits are in high demand right now—so much so that someone is ready to pay ONE MILLION dollars. Zerodium—a company that specialises in acquiring and reselling zero-day exploits—just announced that it will pay up to USD 1,000,000 for working zero-day exploits for the popular Tor Browser on Tails Linux and Windows operating system. Tor browser users should take this news an early warning, especially who use Tails OS to protect their privacy. Zero-day exploit acquisition platform has also published some rules and payout details on its website, announcing that the payout for Tor exploits with no JavaScript has been kept double than those with JavaScript enabled. The company has also clearly mentioned that the exploit must leverage remote code execution vulnerability, the initial attack vector should be a web page and it should work against the latest version of Tor Browser. Moreover, the zero-day Tor exploit must work without requiring an...
Tor Project Releases Sandboxed Tor Browser 0.0.2

Tor Project Releases Sandboxed Tor Browser 0.0.2

Dec 12, 2016
The non-profit organization behind TOR – the largest online anonymity network that allows people to hide their real identity online – has launched an early alpha version of Sandboxed Tor Browser 0.0.2 . Yes, the Tor Project is working on a sandboxed version of the Tor Browser that would isolate the Tor Browser from other processes of the operating system and limit its ability to interact or query low-level APIs that can lead to the exposure of real IP addresses, MAC addresses, computer name, and more. Sandboxing is a security mechanism for separating running programs. When an application is sandboxed, its process runs in a separate environment from the underlying operating system, so that errors or security issues in that application can not be leveraged to affect other parts of the OS. Sandbox applications are enabled in their own sequestered area and memory, where they can be worked on without posing any threat to other applications or the operating system. Major moder...
Tor Browser for Android — First Official App Released On Play Store

Tor Browser for Android — First Official App Released On Play Store

May 23, 2019
Wohooo! Great news for privacy-focused users. Tor Browser, the most popular privacy-focused browser, for Android is finally out of beta, and the first stable version has now arrived on Google Play Store for anyone to download. The Tor Project announced Tuesday the first official stable release of its ultra-secure internet browser for Android devices, Tor Browser 8.5 —which you can now download for FREE on your mobile devices from Google Play Store. Tor Browser is mostly used by privacy-focused people, activists, journalists, and even cyber criminal gangs to avoid government monitoring. It allows users to browse the Internet anonymously, by hiding their IP addresses and identity, through a network of encrypted servers that bounce their web requests around multiple intermediate links. Access to Tor anonymity network was previously available on Android mobile operating system only through other apps or browsers like Orbot / Orfox app, but you can now use the official Tor Brow...
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Secure Coding Best Practices [Cheat Sheet]

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Inside the 2026 Cyber Workforce: Skills, Shortages, and Shifts in the Age of AI

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Tor Browser 4.0.4 Released

Tor Browser 4.0.4 Released

Feb 27, 2015
Tor — a privacy oriented encrypted anonymizing service, has announced the launch of its next version of Tor Browser Bundle, i.e. Tor version 4.0.4 , mostly supposed to improve the built-in utilities, privacy and security of online users on the Internet. Tor Browser helps users to browse the Internet in a complete anonymous way. The powerful Tor Browser Bundle, an anonymous web browser developed by the Tor Project, received some updates in its software. Tor Browser Bundle is basically an Internet browser based on Mozilla Firefox configured to protect the users’ anonymity via Tor and Vidalia. The anonymity suite also includes 3 Firefox extensions: Torbutton, NoScript and HTTPS-Everywhere. NEW FEATURES The latest version, Tor Browser Bundle 4.0.4, has been recently released, with a few number of new features: Updated to Firefox to 31.5.0esr with important security updates. Update OpenSSL to 1.0.1l Update NoScript to 2.6.9.15 Update HTTPS-Everywhere to 4.0.3 B...
Popular YouTube Channel Caught Distributing Malicious Tor Browser Installer

Popular YouTube Channel Caught Distributing Malicious Tor Browser Installer

Oct 04, 2022
A popular Chinese-language YouTube channel has emerged as a means to distribute a trojanized version of a Windows installer for the Tor Browser. Kaspersky  dubbed  the campaign  OnionPoison , with all of the victims located in China. The scale of the attack remains unclear, but the Russian cybersecurity company said it detected victims appearing in its telemetry in March 2022. The malicious version of the Tor Browser installer is being distributed via a link present in the description of a video that was uploaded to YouTube on January 9, 2022. It has been viewed over 64,500 times to date. Google has moved to pull the video from the social media platform for violating YouTube's Harmful and Dangerous policies. The channel that hosted the video has 181,000 subscribers and claims to be based in Hong Kong. The attack banks on the fact that the actual Tor Browser website is blocked in China, thus tricking unsuspecting users searching for "Tor浏览器" (i.e., Tor Browser in Ch...
NSA using Browser Cookies to track Tor Users

NSA using Browser Cookies to track Tor Users

Oct 05, 2013
Yesterday a new classified NSA document was leaked by Edward Snowden - titled ‘ Tor Stinks ’ in which ideas were being kicked around for identifying Tor users or degrading the user experience to dissuade people from using the Tor browser. The NSA had a very hard time while tracking down all Tor  users and monitoring their traffic, especially since Tor servers are all over the world, but they make tracking easier by adopting  the following techniques: By running their own hostile Tor nodes Using zero-day vulnerability of Firefox browser By tracking user' browser Cookies Tor access node tracking is not new and the Document says that both the NSA and GCHQ run Tor nodes themselves. In order to trace traffic back to a particular Tor user the NSA needs to know the ‘ entry, relay and exit ’ nodes in the anonymizer cloud between the user and the destination website. So for tracking purpose they used self-hosted nodes, that is able to trace a ver...
Privacy Tools — Tor Browser 4.0 and Tails 1.2 Update Released

Privacy Tools — Tor Browser 4.0 and Tails 1.2 Update Released

Oct 18, 2014
Tor - Privacy oriented encrypted anonymizing service, has announced the launch of its next version of Tor Browser Bundle, Tor version 4.0 , which disables SSL3 to prevent POODLE attack and uses new transports that are intended to defeat the Great Firewall of China and other extremely restrictive firewalls. Tor is generally thought to be a place where users come online to hide their activities and remain anonymous. Tor is an encrypted anonymizing network considered to be one of the most privacy oriented service and is mostly used by activists, journalists to circumvent online censorship and surveillance efforts by various countries. The popularity of the tool can be estimated by the recent announcement of an Internet router called Anonabox which was the highest crowd funded project on Kickstarter this week, generating more than $500,000 in funding since its launch on Monday. Tor privacy router Anonabox is designed to make all your online activity anonymous and conceal yo...
Warning: Critical Tor Browser Vulnerability Leaks Users’ Real IP Address—Update Now

Warning: Critical Tor Browser Vulnerability Leaks Users’ Real IP Address—Update Now

Nov 04, 2017
If you follow us on Twitter , you must be aware that since yesterday we have been warning Mac and Linux users of the Tor anonymity browser about a critical vulnerability that could leak their real IP addresses to potential attackers when they visit certain types of web pages. Discovered by Italian security researcher Filippo Cavallarin, the vulnerability resides in FireFox that eventually also affects Tor Browser, since the privacy-aware service that allows users to surf the web anonymously uses FireFox at its core. Dubbed by the researcher as TorMoil , the vulnerability affects Tor browser for macOS and Linux and not for Windows, but keeping in mind the security and privacy of Tor users, details about this flaw has not been yet publicly revealed. Cavallarin, CEO of the security firm We Are Segment, privately reported the security vulnerability to Tor developers on Thursday (October 26), and the Tor developers have rolled out an emergency update Tor version 7.0.8 . According...
Firefox Zero-Day Exploit to Unmask Tor Users Released Online

Firefox Zero-Day Exploit to Unmask Tor Users Released Online

Nov 30, 2016
Hackers are actively exploiting a zero-day vulnerability in Firefox to unmask Tor Browser users, similar to what the FBI exploited during an investigation of a child pornography site. Tor (The Onion Router) is an anonymity software that not only provides a safe heaven to human rights activists, journalists, government officials, but also is a place where drugs, assassins for hire, child pornography, and other illegal activities has allegedly been traded. A Javascript zero-day exploit currently being actively exploited in the wild is designed to remotely execute malicious code on the Windows operating system via memory corruption flaw in Firefox web browser. The exploit code was publicly published by an admin of the SIGAINT privacy-oriented public email service on the Tor-Talk mailing list. The mailing list message reveals that the zero-day exploit affecting Firefox is currently being exploited against Tor Browser users by unknown attackers to leak the potentially identifyi...
UPDATE Firefox and Tor to Patch Critical Zero-day Vulnerability

UPDATE Firefox and Tor to Patch Critical Zero-day Vulnerability

Dec 01, 2016
The critical Firefox vulnerability being actively exploited in the wild to unmask Tor users has been patched with the release of new browser updates. Both Mozilla and Tor Project has patched the vulnerability that allows attackers to remotely execute malicious code on Windows operating system via memory corruption vulnerability in Firefox web browser. Tor Browser Bundle is a repackaged version of the open-source Mozilla Firefox browser that runs connections through the Tor anonymizing network configured to hide its user's public IP address. However, the exploit code released by an unnamed online user was currently being exploited against Tor Browser users to leak the potentially identifying information of Tor users. "The security flaw responsible for this urgent release is already actively exploited on Windows systems," an official of the anonymity network wrote in an advisory published on Wednesday.  "Even though there is currently...no similar explo...
Microsoft remotely deleted Tor-based 'Sefnit Botnet' from more than 2 Million Systems

Microsoft remotely deleted Tor-based 'Sefnit Botnet' from more than 2 Million Systems

Jan 21, 2014
In October 2013, Microsoft adopted a silent, offensive method to tackle infection due to a Tor-based botnet malware called ' Sefnit '. In an effort to takedown of the Sefnit botnet to protect windows users, Microsoft r emotely removes the older versions of installed Tor Browser software and infection from 2 Million systems, even without the knowledge of the system's owner. Last year in August, after Snowden revelations about the National Security Agency's ( NSA ) Spying programs, the Internet users were under fear of being spied. During the same time Tor Project leaders noticed almost 600% increase in the number of users over the anonymizing networks of Tor i.e. More than 600,000 users join Tor within few weeks. In September, researchers identified the major reason of increased Tor users i.e. A Tor-based botnet called ' Sefnit malware ', which was infecting millions of computers for click fraud and bitcoin mining. To achieve the maximum number...
Mozilla asks Court to disclose Firefox Exploit used by FBI to hack Tor users

Mozilla asks Court to disclose Firefox Exploit used by FBI to hack Tor users

May 13, 2016
Mozilla has filed a brief with a U.S. District Court asking the FBI to disclose the potential vulnerabilities in its Firefox browser that the agency exploited to unmask TOR users in a criminal investigation. Last year, the FBI used a zero-day flaw to hack TOR browser and de-anonymize users visiting child sex websites. Now, Mozilla is requesting the government to ask the FBI about the details of the hack so that it can ensure the security of its Firefox browser. TOR is an anonymity software that provides a safe haven to human rights activists, government, journalists but also is a place where drugs, child pornography, assassins for hire and other illegal activities has allegedly been traded. TOR Browser Bundle is basically an Internet browser based on Mozilla Firefox configured to protect the user's anonymity via Tor and Vidalia. In 2015, the FBI seized computer servers running the world’s largest dark web child pornography site ‘Playpen’ from a web host in Lenoir, No...
Tor Browser 8.5.2 Released — Update to Fix Critical Firefox Vulnerability

Tor Browser 8.5.2 Released — Update to Fix Critical Firefox Vulnerability

Jun 20, 2019
Important Update (21 June 2019) ➤  The Tor Project on Friday released second update ( Tor Browser 8.5.3 ) for its privacy web-browser that patches the another Firefox zero-day vulnerability patched this week. Following the latest critical update for Firefox, the Tor Project today released an updated version of its anonymity and privacy browser to patch the same Firefox vulnerability in its bundle. Earlier this week, Mozilla released Firefox 67.0.3 and Firefox ESR 60.7.1 versions to patch a critical actively-exploited vulnerability ( CVE-2019-11707 ) that could allow attackers to remotely take full control over systems running the vulnerable browser versions. Besides updating Firefox, the latest Tor Browser 8.5.2 for desktops also includes updated NoScript version 10.6.3 that fixes a few known issues. According to the Tor Project Team, if you are already using Tor browser with "safer" and "safest" security levels, the flaw doesn't affect you. For som...
Patch Tor Browser Bug to Prevent Tracking of Your Online Activities

Patch Tor Browser Bug to Prevent Tracking of Your Online Activities

Jun 23, 2021
Open-source Tor browser has been updated to version 10.0.18 with fixes for multiple issues, including a privacy-defeating bug that could be used to uniquely fingerprint users across different browsers based on the apps installed on a computer. In addition to  updating  Tor to 0.4.5.9, the browser's Android version has been upgraded to Firefox to version 89.1.1, alongside incorporating patches rolled out by Mozilla for several  security vulnerabilities  addressed in Firefox 89. Chief among the rectified issues is a new fingerprinting attack that came to light last month. Dubbed  scheme flooding , the vulnerability enables a malicious website to leverage information about installed apps on the system to assign users a permanent unique identifier even when they switch browsers, use incognito mode, or a VPN. Put differently, the  weakness  takes advantage of custom URL schemes in apps as an attack vector, allowing a bad actor to track a device's user ...
FBI Used Firefox Exploit to Shutdown Illegal Site Running on Tor Network

FBI Used Firefox Exploit to Shutdown Illegal Site Running on Tor Network

Aug 05, 2013
TOR is the dark side of the Internet, the so-called dark web, which provides a safe haven to privacy advocates but is also where drugs, assassins for hire and other weird and illegal activities can allegedly be traded. A claimed zero-day vulnerability in Firefox 17 was used by the FBI to identify some users of the privacy-protecting Tor anonymity network. The FBI did not compromise the TOR network itself and The complex multi-layers of encryption still stand. Instead the FBI compromised the TOR browser only using a zero-day JavaScript exploit and used this to implant a cookie which fingerprinted users through a specific external server. Eric Eoin Marques , 28 year-old man in Ireland believed to be behind Freedom Hosting , the biggest service provider for sites on the encrypted Tor network , is awaiting extradition on p*rno charges. It is understood the FBI had spent a year trying to locate Mr Marques. Marques was arrested on a Maryland warrant that in...
Privatoria — Best VPN Service for Fast, Anonymous and Secure Browsing

Privatoria — Best VPN Service for Fast, Anonymous and Secure Browsing

Oct 27, 2015
PRIVACY  – a bit of an Internet buzzword nowadays. Why? Because the business model of the Internet has now become data collection. If you trust Google, Facebook or other Internet giants to be responsible managers of your data, the ongoing Edward Snowden revelations are making it all clear that this type of information can be easily snooped by the intelligence agencies like NSA and GCHQ. In short, the simple truth is that you have no or very little privacy when you are online. So, if you are worried about identity thieves, or your ISP spying on or throttling your traffic, the most efficient way to secure your privacy on the Internet is to use a Virtual Private Network (VPN) service. Though you can take other measures to increase security on your end, like installing a firewall as well as blocking known intrusive IP addresses that might be spying on you — But VPN takes your security to the next level by encrypting all inbound and outbound data. VPN (Virtual ...
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