Malwarebytes Labs – The Security Blog From Malwarebytes | Malwarebytes Labs AI Mythos: An AI tool too powerful for public release April 20, 2026 – Anthropic is keeping Mythos out of public hands, with limited access for select organizations over fears it could be misused. News This old-school scam is still working Threat Intel A fake Slack download is giving attackers a hidden desktop on your machine News “iCloud storage is full” scam is back, and now it wants your payment details News “Your shipment has arrived” email hides remote access software 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 Big Tech can stop scams. They just don’t (Lock and Code S07E08) Malwarebytes Labs April 20, 2026 0 Comments This week on the Lock and Code podcast, we speak with Marti DeLiema about what really works in protecting older adults from financial scams. Mythos: An AI tool too powerful for public release Pieter Arntz April 20, 2026 0 Comments Anthropic is keeping Mythos out of public hands, with limited access for select organizations over fears it could be misused. A week in security (April 13 – April 19) Malwarebytes Labs April 20, 2026 0 Comments A list of topics we covered in the week of April 13 to April 19 of 2026 This old-school scam is still working Pieter Arntz April 17, 2026 0 Comments We sent Tess to investigate a classic Nigerian advance-fee scam with a new twist. Sadly, these old scams are still in play because they work. “Your shipment has arrived” email hides remote access software Pieter Arntz April 17, 2026 0 Comments This DHL-themed email tries to get recipients to install remote access software attackers can use to deploy further malware, including ransomware. Browser Guard gets even better with Access Control Malwarebytes Labs April 16, 2026 0 Comments Take control of pesky permission pop-ups and decide exactly which websites can access your camera, microphone, location, and send you notifications. “iCloud storage is full” scam is back, and now it wants your payment details Pieter Arntz April 16, 2026 0 Comments Apple users: Watch out for “upgrade now or lose your photos” scams that rush you into handing over your payment details. A fake Slack download is giving attackers a hidden desktop on your machine Stefan Dasic April 16, 2026 0 Comments This trojanized Slack installer looks normal, but quietly gives attackers an invisible desktop to access your accounts and data. We take a deep dive into the attack. Booking.com breach gives scammers what they need to target guests Danny Bradbury April 16, 2026 0 Comments Guest reservation data stolen from the booking giant can be used by scammers to impersonate hotels to steal payment and personal info. 1 2 3 … 617 Next Contributors Threat Center Podcast Glossary Scams
