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Patch Tuesday, January 2026 Edition
Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities...
Source
Krebs on Security
9 posts from this source
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Who Benefited from the Aisuru and Kimwolf Botnets?
Our first story of 2026 revealed how a destructive new botnet called Kimwolf rapidly grew to infect more than two million devices by mass-compromising a vast nu...
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The Kimwolf Botnet is Stalking Your Local Network
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...
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Happy 16th Birthday, KrebsOnSecurity.com!
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 e...
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Dismantling Defenses: Trump 2.0 Cyber Year in Review
The Trump administration has pursued a staggering range of policy pivots this past year that threaten to weaken the nation’s ability and willingness to address...
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Most Parked Domains Now Serving Malicious Content
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 major...
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Microsoft Patch Tuesday, December 2025 Edition
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 tackl...
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Drones to Diplomas: How Russia’s Largest Private University is Linked to a $25M Essay Mill
A sprawling academic cheating network turbocharged by Google Ads that has generated nearly $25 million in revenue has curious connections to a Kremlin-connected...
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SMS Phishers Pivot to Points, Taxes, Fake Retailers
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...