Cybersecurity
Windows 11 24H2 Home and Pro reach end of support in October
Microsoft reminded customers this week that devices running Windows 11 24H2 Home and Pro editions will stop receiving updates next month. [...]
Critical Unbound DNSSEC Validator Flaw Could Allow RCE via a Malicious DNS Zone
Every release of the Unbound DNS resolver before 1.26.1 has a critical heap overflow in its DNSSEC validator, maintainer NLnet Labs said in an advisory on Wednesday. An attacker w…
Can You Prove a New CVE Is Exploitable Before Attackers Do? Learn How in This Webinar
A new CVE drops. Your scanner finds it. The severity score looks ugly. But that still does not answer the question that matters: Can it actually be exploited in your environment? …
US takes down NightmareStresser DDoS-for-hire platform
The U.S. Federal Bureau of Investigation (FBI) seized the domains used by NightmareStresser, one of the world's longest-running distributed denial-of-service (DDoS) platforms. [..…
CISO's Expert Guide to Agentic Pentesting for Websites
Attackers now weaponize new vulnerabilities in about five days (Mandiant, part of Google Cloud). The median organization takes 43 days to patch one (Verizon DBIR 2026). A new free…
China-Aligned FamousSparrow Deploys SparroWocky Backdoor Across Latin America
The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple…
OpenAI Reveals Six Model Incidents Involving Hidden Failures and Unauthorized Uploads
OpenAI on Wednesday disclosed six new instances of "unexpected or concerning model behavior" that took place over the past six months, while sharing a new framework for reporting,…
Chinese hackers use SparroWocky malware in govt espionage attacks
The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. [...]
Microsoft shares workaround for Windows domain login issues
Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 se…
BIND 9 Update Fixes 14 Flaws, Including an Unauthenticated Crash Over DNS-over-HTTPS
The Internet Systems Consortium (ISC) has released BIND 9.20.29 and 9.21.26 to fix fourteen security flaws it disclosed on 16 September in BIND 9, its open-source DNS server softw…
Gyazo Breach Exposes 23.62 Million User Records and 490 Million Image Metadata Records
A security breach at Gyazo, Helpfeel's image-sharing service, exposed about 23.62 million user records, including email addresses and password hashes, the Kyoto-based company said…
Cisco warns of max severity ISE zero-day exploited in attacks
Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. [...]
Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks
Cisco has warned of a fresh maximum-severity security flaw impacting Identity Services Engine (ISE) that has come under active exploitation. The vulnerability, tracked as CVE-2026…
U.S. Seizes NightmareStresser Domains Linked to Hundreds of Thousands of DDoS Attacks
The U.S. Department of Justice (DoJ) on Tuesday announced the court-authorized seizure of internet domains associated with a distributed denial-of-service (DDoS)-for-hire service …
Anthropic wants Claude to analyze your bank account and financial data
Anthropic is testing a new personal finance feature called "Claude Money" that will allow you to connect your bank accounts directly to Claude and "understand your money." [...]
Windows 11 KB5124008 update breaks domain trust for some users
Microsoft is investigating reports that the Windows 11 KB5124008 security update is breaking domain trust relationships on some enterprise systems, preventing users from logging i…
Iranian hackers use CHOSEN BRICK Windows malware to spy on targets
Government agencies are warning that Iranian state-linked hackers are using a Windows malware strain named CHOSEN BRICK to target dissidents, activists, and journalists worldwide.…
Malware bypasses browser checks to force install Chrome, Edge extensions
A banking malware operation active since mid-2025 has been using a toolkit named KREMLIN to install malicious Chrome and Edge extensions that steal credentials, session tokens, an…
Data Broker Radaris Loses Domains in Privacy Fight
The consumer data broker Radaris.com has long had a reputation for ignoring requests to remove personal information from its vast empire of people-search services online. That rep…
Spain's data agency gets first report of AI-powered data breach
The Spanish Data Protection Agency (AEPD) was notified of an attack allegedly carried out with an AI agent powered by a known large language model (LLM). [...]
Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution
A critical security flaw in Issabel Framework, a web-based framework for the open-source unified communications PBX software, has come under active exploitation. The vulnerability…
Three Threat Groups Target Russian Enterprises With Backdoors, Ransomware, and Wipers
Enterprises in Russia have emerged as the target of three threat activity clusters tracked as NightEagle, Hacking Cat, and Toy Ghouls, according to multiple reports from Kaspersky…
One Extension Could Hijack AI Assistants Across Chrome, Comet, Edge, Opera Neon and Claude
Security researchers at Forever Security have shown that one ordinary browser extension could take control of the AI assistants built into five Chromium-based products: Gemini Liv…
The true cost of a ransomware attack, with and without BCDR
The ransom itself can be only a fraction of the total cost of a ransomware attack, with downtime, recovery, remediation, and legal obligations adding millions to the bill. Datto e…