Tor Browser — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
18
occurrences
First Seen
November 25, 2025
Last Seen
July 22, 2026

Tor Browser is a technology platform tracked across 15 threat clusters and 18 intelligence report mentions on ThreatCluster. First observed November 25, 2025; most recent activity July 22, 2026.

Overview

Tor Browser is a privacy-focused technology platform that enables anonymous communication by routing user traffic through the Tor network's distributed onion relays. It uses layered onion encryption and a rotating set of cryptographic primitives, with updates designed to strengthen anonymity and resilience. The latest report notes Tor's adoption of a new Counter Galois Onion relay encryption algorithm, marking a modernization of its onion-relay cryptography.

Related Threat Clusters

  • Exploitation of WinRAR CVE-2025-8088 Threatens Ukrainian Organizations

    Two Russia-aligned cyber campaigns are exploiting the WinRAR vulnerability CVE-2025-8088 against Ukrainian targets nearly a year after it was patched. The flaw, a path traversal vulnerability, allows attackers to write…

    19 articles · Updated June 8, 2026
  • Google and FBI Disrupt NetNut Proxy Network Linked to 2 Million Devices

    On July 3, 2026, Google, in coordination with the FBI and other partners, disrupted the NetNut residential proxy network, also known as the Popa botnet. This operation targeted over 2 million compromised consumer…

    54 articles · Updated July 2, 2026
  • Microsoft's Record Patch Tuesday in June 2026 Addresses 206 Vulnerabilities

    In June 2026, Microsoft released its largest Patch Tuesday update, addressing 206 vulnerabilities, including critical flaws in Windows kernel and BitLocker. Notable CVEs include a zero-day in Visual Studio Code that…

    125 articles · Updated July 1, 2026
  • Emergency Release of Tails 7.6.2 to Address Critical Tor Browser Vulnerability

    On April 15, 2026, Tails released version 7.6.2 as an emergency update to address a significant security vulnerability in the Tor Browser's confinement. This vulnerability could potentially be exploited by an attacker…

    5 articles · Updated April 15, 2026
  • Tails 7.7.3 Emergency Update Addresses DirtyFrag Vulnerability

    An emergency update for Tails, the Linux distribution for anonymous browsing, has been released to fix a critical vulnerability in the Linux kernel known as DirtyFrag (CVE-2026-43284). This vulnerability could allow…

    3 articles · Updated May 12, 2026
  • JanaWare Ransomware Targets Turkey Using Adwind RAT

    The JanaWare ransomware campaign has emerged, targeting users in Turkey through a customized variant of the Adwind RAT. The malware is distributed via phishing emails containing malicious JAR files, which, when…

    9 articles · Updated April 15, 2026
  • Tata Electronics Cyber Breach Exposes Apple and Tesla Trade Secrets

    Tata Electronics confirmed a cybersecurity incident after the ransomware group World Leaks posted over 200,000 files on the dark web, totaling more than 630GB. The leaked data allegedly includes sensitive component…

    217 articles · Updated June 22, 2026
  • US Government Responds to Chinese Distillation Attacks on AI Models

    The US government has announced measures to combat Chinese 'distillation attacks' aimed at stealing proprietary AI capabilities from American companies. Distillation attacks involve training less capable models using…

    3 articles · Updated April 30, 2026
  • Firefox Bug CVE-2026-6770 Allows Tracking of Tor Users

    A newly discovered vulnerability, CVE-2026-6770, allows attackers to fingerprint users of Firefox and Tor browsers, even in Private Browsing mode. The flaw, identified in the IndexedDB API, enables the creation of a…

    3 articles · Updated April 27, 2026
  • Nexus Market Security Measures and User Risks

    The Nexus Darkweb platform has evolved its security measures to combat phishing and clone site attacks. Users must navigate the Tor network safely and authenticate .onion addresses using PGP signatures. The platform has…

    2 articles · Updated June 23, 2026

Recent Intelligence Reports

  • Free Data Breach Scan — www.keepersecurity.com · July 22, 2026
  • ESET researchers themselves discovered — www.welivesecurity.com · June 30, 2026
  • History of Nexus Market — Nexus-Darkweb-Link.Xyz · June 23, 2026
  • Disclaimer — Nexus-Darkweb-Link.Xyz · June 23, 2026
  • Tata Electronics data leaked on dark web: Hackers stole Apple & Tesla's secret designs — Bhaskarenglish.In · June 23, 2026
  • version announcement, the update to Tails 7.7.3 — tails.net · May 12, 2026
  • New Release: Tails 7.7.3 — Blog.Torproject · May 12, 2026
  • Srsly Risky Biz: US Vows to Fight Distillation Attacks — News.Risky.Biz · April 30, 2026

CVSS v3.1 Breakdown