A Record-Breaking Patch Tuesday for June 2026
Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of f...
Krebs on Security
18 articles
Hackers Used Meta’s AI Support Bot to Seize Instagram Accounts
The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S.
Netherlands Seizes 800 Servers, Arrests 2 for Aiding Cyberattacks
Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry ...
Lawmakers Demand Answers as CISA Tries to Contain Data Leak
Lawmakers in both houses of Congress are demanding answers from the U.S.
Alleged Kimwolf Botmaster ‘Dort’ Arrested, Charged in U.S. and Canada
Canadian authorities on Wednesday arrested a 23-year-old Ottawa man on suspicion of building and operating Kimwolf, a fast spreading Internet-of-Things botne...
CISA Admin Leaked AWS GovCloud Keys on Github
Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed creden...
Patch Tuesday, May 2026 Edition
Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security ...
Canvas Breach Disrupts Schools & Colleges Nationwide
An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and univ...
Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an...
‘Scattered Spider’ Member ‘Tylerb’ Pleads Guilty
A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identi...
Patch Tuesday, April 2026 Edition
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a S...
Russia Hacked Routers to Steal Microsoft Office Tokens
Hackers linked to Russia's military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft O...
Germany Doxes “UNKN,” Head of RU Ransomware Gangs REvil, GandCrab
An elusive hacker who went by the handle "UNKN" and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Authorities in Germ...
‘CanisterWorm’ Springs Wiper Attack Targeting Iran
A financially motivated data theft and extortion group is attempting to inject itself into the Iran war, unleashing a worm that spreads through poorly secure...
Feds Disrupt IoT Botnets Behind Huge DDoS Attacks
The U.S.
Iran-Backed Hackers Claim Wiper Attack on Medtech Firm Stryker
A hacktivist group with links to Iran's intelligence agencies is claiming responsibility for a data-wiping attack against Stryker, a global medical technolog...
Microsoft Patch Tuesday, March 2026 Edition
Microsoft Corp. today pushed security updates to fix at least 77 vulnerabilities in its Windows operating systems and other software.
How AI Assistants are Moving the Security Goalposts
AI-based assistants or "agents" -- autonomous programs that have access to the user's computer, files, online services and can automate virtually any task --...