A new Internet-of-Things (IoT) botnet called Kimwolf has spread to more than 2 million devices, forcing infected systems to participate in massive distributed denial-of-service (DDoS) attacks and to relay other …
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Krebs
Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities earned Microsoft’s most-dire “critical” rating, and …
Safety & Security
Who Benefited from the Aisuru and Kimwolf Botnets? – Krebs on Security
by David Walker
Our first story of 2026 revealed how a destructive new botnet called Kimwolf has infected more than two million devices by mass-compromising a vast number of unofficial Android TV streaming …
Safety & Security
The Kimwolf Botnet is Stalking Your Local Network – Krebs on Security
by David Walker
The story you are reading is a series of scoops nestled inside a far more urgent Internet-wide security advisory. The vulnerability at issue has been exploited for months already, and …
KrebsOnSecurity.com celebrates its 16th anniversary today! A huge “thank you” to all of our readers — newcomers, long-timers and drive-by critics alike. Your engagement this past year here has been …
Safety & Security
Meet Rey, the Admin of ‘Scattered Lapsus$ Hunters’ – Krebs on Security
by David Walker
A prolific cybercriminal group that calls itself “Scattered LAPSUS$ Hunters” has dominated headlines this year by regularly stealing data from and publicly mass extorting dozens of major corporations. But the …
Safety & Security
SMS Phishers Pivot to Points, Taxes, Fake Retailers – Krebs on Security
by David Walker
China-based phishing groups blamed for non-stop scam SMS messages about a supposed wayward package or unpaid toll fee are promoting a new offering, just in time for the holiday shopping …
Safety & Security
Most Parked Domains Now Serving Malicious Content – Krebs on Security
by David Walker
Direct navigation — the act of visiting a website by manually typing a domain name in a web browser — has never been riskier: A new study finds the vast …
Safety & Security
Microsoft Patch Tuesday, December 2025 Edition – Krebs on Security
by David Walker
Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that …
Safety & Security
How Russia’s Largest Private University is Linked to a $25M Essay Mill – Krebs on Security
by David Walker
A sprawling academic cheating network turbocharged by Google Ads that has generated nearly $25 million in revenue has curious ties to a Kremlin-connected oligarch whose Russian university builds drones for …