Malwarebytes Labs – The Security Blog From Malwarebytes | Malwarebytes Labs AI Researchers left AI agents alone in a virtual town and watched it all unravel May 21, 2026 – Told not to commit crimes, the AI agents mostly did anyway. Arson, violence, romance, self-deletion, and general chaos quickly ensued. Family and parenting TikTok, YouTube, and Roblox face scrutiny, but age gates won’t fix child safety Scams Facebook scam promises cheap Aldi meat boxes, steals payment info instead News Fake malware-signing service Fox Tempest dismantled by Microsoft Data breaches Biometrics, diagnoses, and bank details exposed in major healthcare breach PODCAST Podcast Our bi-weekly podcast of the latest security headlines and in-depth interviews with guests VIEW EPISODES AI AI If the robots are taking over, you'll want to know about it. READ MORE Data Breaches Data breaches Keep on top of the latest data breach news. READ MORE Threat Intelligence Threat Intel Stay up to date with the latest research and threat intelligence reports. READ MORE Microsoft Defender vulnerabilities are being exploited in the wild Pieter Arntz May 21, 2026 0 Comments CISA added seven known exploited vulnerabilities to its KEV catalog, including two Microsoft Defender flaws. TikTok, YouTube, and Roblox face scrutiny, but age gates won’t fix child safety Pieter Arntz May 21, 2026 0 Comments Ofcom says TikTok and YouTube are "not safe enough" for children, but simply adding stricter age checks is not the answer. Catch spyware in the act with Windows Webcam Monitoring Malwarebytes Labs May 21, 2026 0 Comments Know when a program tries to access your webcam so you can allow or block, in real time. Researchers left AI agents alone in a virtual town and watched it all unravel Danny Bradbury May 21, 2026 0 Comments Told not to commit crimes, the AI agents mostly did anyway. Arson, violence, romance, self-deletion, and general chaos quickly ensued. Fake malware-signing service Fox Tempest dismantled by Microsoft Pieter Arntz May 20, 2026 0 Comments The service let malware authors sign malicious files with fraudulent Microsoft-issued certificates to bypass security checks. Firefox 151 packs big privacy upgrades into a small update Pieter Arntz May 20, 2026 0 Comments Firefox 151 adds major privacy improvements and fixes high-priority security vulnerabilities, making this an update you shouldn’t ignore. Biometrics, diagnoses, and bank details exposed in major healthcare breach Pieter Arntz May 19, 2026 0 Comments NYC Health + Hospitals says attackers accessed its systems for months through a third-party vendor compromise, affecting at least 1.8 million people. Facebook scam promises cheap Aldi meat boxes, steals payment info instead Pieter Arntz May 19, 2026 0 Comments A fake Aldi “meat box” offer spreading on Facebook tricks victims into handing over personal and payment info. YouTube wants your face to fight deepfakes Danny Bradbury May 19, 2026 0 Comments "Likeness detection" promises protection from AI deepfakes, but some creators are uneasy about handing over biometric data in return. 1 2 3 … 623 Next Contributors Threat Center Podcast Glossary Scams
