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Krebs on Security

In-depth security news and investigation

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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 willingnes...
Posted on 19 December 2025 | 3:14 pm

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 t...
Posted on 16 December 2025 | 2:14 pm

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 ...
Posted on 9 December 2025 | 11:18 pm

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 Krem...
Posted on 6 December 2025 | 2:45 pm

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,...
Posted on 4 December 2025 | 11:02 pm

Meet Rey, the Admin of ‘Scattered Lapsus$ Hunters’

A prolific cybercriminal group that calls itself "Scattered LAPSUS$ Hunters" made headlines regularly this year by stealing data from and publicly ...
Posted on 26 November 2025 | 5:22 pm

Is Your Android TV Streaming Box Part of a Botnet?

On the surface, the Superbox media streaming devices for sale at retailers like BestBuy and Walmart may seem like a steal: They offer unlimited acc...
Posted on 24 November 2025 | 6:44 pm

Mozilla Says It’s Finally Done With Two-Faced Onerep

In March 2024, Mozilla said it was winding down its collaboration with Onerep -- an identity protection service offered with the Firefox web browse...
Posted on 20 November 2025 | 7:06 pm

The Cloudflare Outage May Be a Security Roadmap

An intermittent outage at Cloudflare on Tuesday briefly knocked many of the Internet's top destinations offline. Some affected Cloudflare customers...
Posted on 19 November 2025 | 2:07 pm

Microsoft Patch Tuesday, November 2025 Edition

Microsoft this week pushed security updates to fix more than 60 vulnerabilities in its Windows operating systems and supported software, including ...
Posted on 16 November 2025 | 9:47 pm