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 SharePoint Server…
Who is the Kimwolf Botmaster “Dort”?
In early January 2026, KrebsOnSecurity revealed how a security researcher disclosed a vulnerability that was used to assemble Kimwolf, the world's largest and most disruptive…
‘Starkiller’ Phishing Service Proxies Real Login Pages, MFA
Most phishing websites are little more than static copies of login pages for popular online destinations, and they are often quickly taken down by anti-abuse activists and…
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. There are no pressing "zero-day" flaws this…
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 Germany say 31-year-old…
Feds Disrupt IoT Botnets Behind Huge DDoS Attacks
The U.S. Justice Department joined authorities in Canada and Germany in dismantling the online infrastructure behind four highly disruptive botnets that compromised more than…
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 -- are growing in…
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 Office users, security…
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 technology company based in…
‘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 secured cloud services and…