Category: Krebson

Kimwolf Botnet Lurking in Corporate, Govt. Networks – Krebs on Security
23
Jan
2026

Kimwolf Botnet Lurking in Corporate, Govt. Networks – Krebs on Security

A new Internet-of-Things (IoT) botnet called Kimwolf has spread to more than 2 million devices, forcing infected systems to participate…

Microsoft Patch Tuesday, November 2025 Edition – Krebs on Security
14
Jan
2026

Patch Tuesday, January 2026 Edition – Krebs on Security

Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software….

Who Benefited from the Aisuru and Kimwolf Botnets? – Krebs on Security
09
Jan
2026

Who Benefited from the Aisuru and Kimwolf Botnets? – Krebs on Security

Our first story of 2026 revealed how a destructive new botnet called Kimwolf has infected more than two million devices…

Happy 16th Birthday, KrebsOnSecurity.com! – Krebs on Security
29
Dec
2025

Happy 16th Birthday, KrebsOnSecurity.com! – Krebs on Security

KrebsOnSecurity.com celebrates its 16th anniversary today! A huge “thank you” to all of our readers — newcomers, long-timers and drive-by…

Most Parked Domains Now Serving Malicious Content – Krebs on Security
16
Dec
2025

Most Parked Domains Now Serving Malicious Content – Krebs on Security

Direct navigation — the act of visiting a website by manually typing a domain name in a web browser —…

Microsoft Patch Tuesday, December 2025 Edition – Krebs on Security
10
Dec
2025

Microsoft Patch Tuesday, December 2025 Edition – Krebs on Security

Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This…

How Russia’s Largest Private University is Linked to a $25M Essay Mill – Krebs on Security
06
Dec
2025

How Russia’s Largest Private University is Linked to a $25M Essay Mill – Krebs on Security

A sprawling academic cheating network turbocharged by Google Ads that has generated nearly $25 million in revenue has curious connections…

SMS Phishers Pivot to Points, Taxes, Fake Retailers – Krebs on Security
05
Dec
2025

SMS Phishers Pivot to Points, Taxes, Fake Retailers – Krebs on Security

China-based phishing groups blamed for non-stop scam SMS messages about a supposed wayward package or unpaid toll fee are promoting…

Meet Rey, the Admin of ‘Scattered Lapsus$ Hunters’ – Krebs on Security
26
Nov
2025

Meet Rey, the Admin of ‘Scattered Lapsus$ Hunters’ – Krebs on Security

A prolific cybercriminal group that calls itself “Scattered LAPSUS$ Hunters” has dominated headlines this year by regularly stealing data from…

Mozilla Says It’s Finally Done With Two-Faced Onerep – Krebs on Security
20
Nov
2025

Mozilla Says It’s Finally Done With Two-Faced Onerep – Krebs on Security

In March 2024, Mozilla said it was winding down its collaboration with Onerep — an identity protection service offered with…

The Cloudflare Outage May Be a Security Roadmap – Krebs on Security
19
Nov
2025

The Cloudflare Outage May Be a Security Roadmap – Krebs on Security

An intermittent outage at Cloudflare on Tuesday briefly knocked many of the Internet’s top destinations offline. Some affected Cloudflare customers…

Microsoft Patch Tuesday, November 2025 Edition – Krebs on Security
17
Nov
2025

Microsoft Patch Tuesday, November 2025 Edition – Krebs on Security

Microsoft this week pushed security updates to fix more than 60 vulnerabilities in its Windows operating systems and supported software,…