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Krebs on Security

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16:54
2026-05-22
krebsonsecurity.com
cybersecurity

CISA tries to contain data leak

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is facing congressional scrutiny after a contractor intentionally published sensitive AWS GovCloud keys and other agency secrets on a pub…

16:34
2026-05-22
krebsonsecurity.com
cybersecurity

Lawmakers Demand Answers as CISA Tries to Contain Data Leak

Lawmakers from both chambers of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after a contractor intentionally published sensitive credentials, inc…

20:48
2026-05-18
krebsonsecurity.com
cybersecurity

CISA Admin Leaked AWS GovCloud Keys on Github

A contractor for the Cybersecurity & Infrastructure Security Agency (CISA) publicly exposed highly sensitive credentials on a GitHub repository, including keys to AWS GovCloud accounts and plaintext p…

21:46
2026-05-12
krebsonsecurity.com
cybersecurity

Patch Tuesday, May 2026 Edition

The May 2026 Patch Tuesday saw Microsoft release updates for 118 vulnerabilities, notably the first time in nearly two years without fixes for actively exploited zero-day flaws. The article highlights…

02:58
2026-05-08
krebsonsecurity.com
cybersecurity

Canvas Breach Disrupts Schools & Colleges Nationwide

A data extortion attack by the cybercrime group ShinyHunters targeted the education technology platform Canvas, disrupting classes nationwide after the group defaced the login page with a ransom deman…

14:04
2026-04-30
krebsonsecurity.com
cybersecurity

Anti-DDoS Firm Heaped Attacks on Brazilian ISPs

A Brazilian DDoS mitigation firm, Huge Networks, was found to have its infrastructure compromised and used to power a botnet that launched massive DDoS attacks against other Brazilian ISPs. The expose…

14:53
2026-04-21
krebsonsecurity.com
cybersecurity

‘Scattered Spider’ Member ‘Tylerb’ Pleads Guilty

Tyler Robert Buchanan, a 24-year-old British national and senior member of the cybercrime group "Scattered Spider," pleaded guilty to wire fraud conspiracy and aggravated identity theft for orchestrat…

21:47
2026-04-14
krebsonsecurity.com
cybersecurity

Patch Tuesday, April 2026 Edition

Microsoft's April 2026 Patch Tuesday addressed a record 167 security vulnerabilities, including a SharePoint Server zero-day (CVE-2026-32201) already under active attack and a publicly disclosed Windo…

17:02
2026-04-07
krebsonsecurity.com
cybersecurity

Russia Hacked Routers to Steal Microsoft Office Tokens

Russian state-backed hackers linked to the GRU's military intelligence unit, known as Forest Blizzard or APT28, exploited known vulnerabilities in outdated Internet routers to conduct a large-scale DN…

15:43
2026-03-23
krebsonsecurity.com
cybersecurity

‘CanisterWorm’ Springs Wiper Attack Targeting Iran

A financially motivated cybercrime group called TeamPCP has launched a wiper attack targeting Iran, using a self-propagating worm named "CanisterWorm" that destroys data on systems set to Iran's time …