Malwarebytes Labs – The Security Blog From Malwarebytes | Malwarebytes Labs AI The fake sites using a cheap toolkit to sell $2,000 AI subscriptions September 21, 2026 – More than 100 linked sites use a $249 toolkit to turn copied product names and unfamiliar AI brands into paid subscriptions. AI Meta’s Muse AI assistant has a zero-day that can turn it into a Mac backdoor AI Researchers used Claude to hack OpenAI AI Gemini’s breach of real companies exposes an AI guardrail problem News ShinyHunters hacks rival extortion gang and takes over its dark web site Podcast Listen to the latest in cybersecurity and privacy. VIEW EPISODES AI Find out the newest developments in AI. READ MORE Data breaches Keep on top of the latest data breach news. READ MORE Threat Intel Stay up to date with our latest research. READ MORE A week in security (May 18 – May 24) Malwarebytes May 25, 2026 0 Comments A list of topics we covered in the week of May 18 to May 24 of 2026 Update Chrome now: Critical bugs could let attackers run code Pieter Arntz May 22, 2026 0 Comments This Chrome update fixes critical flaws attackers could exploit through malicious websites, but not the “Browser Fetch” vulnerability. 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. Previous 1 … 29 30 31 32 33 … 653 Next Contributors Threat Center Podcast Glossary Scams
