Malwarebytes Labs – The Security Blog From Malwarebytes | Malwarebytes Labs Data breaches Medical records, SSNs, and bank details exposed in CareCloud data breach August 21, 2026 – Healthcare technology provider CareCloud confirmed that 3.75 million people were affected by a March data breach. News Zombie Card: An expired Visa credit card can be used for purchases AI ChatGPT for Teens tackles risky chats and homework shortcuts AI Twitch wants your content for Amazon AI training. Here’s how to opt out News 9 million images of people’s faces exposed by reverse lookup service 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 Zombie Card: An expired Visa credit card can be used for purchases Pieter Arntz August 21, 2026 0 Comments Scientific research showed that the expiration date on some Visa credit cards can be manipulated in so-called Zombie Card attacks. Medical records, SSNs, and bank details exposed in CareCloud data breach Pieter Arntz August 21, 2026 0 Comments Healthcare technology provider CareCloud confirmed that 3.75 million people were affected by a March data breach. ChatGPT for Teens tackles risky chats and homework shortcuts Danny Bradbury August 20, 2026 0 Comments OpenAI has strengthened ChatGPT's protections for teens, but some of its strongest parental controls still depend on linked accounts. Twitch wants your content for Amazon AI training. Here’s how to opt out Pieter Arntz August 20, 2026 0 Comments Twitch added an option to opt out of training Amazon AI with your content—two years after it confirmed that training had begun. Your Mac already has a built-in firewall. Here’s how to get more from it Malwarebytes Labs August 20, 2026 0 Comments Malwarebytes Firewall gives you a clearer, more intuitive way to manage your Mac's inbuilt firewall. 9 million images of people’s faces exposed by reverse lookup service Pieter Arntz August 20, 2026 0 Comments A researcher found an exposed database containing 9 million images that belonged to people finder service ClarityCheck. 41 deceptive download sites show a real link, then send you somewhere else Stefan Dasic August 19, 2026 0 Comments A legitimate-looking link or valid digital signature can offer false reassurance. Here’s why familiar download safety checks aren’t always enough. Sideloading on Android: What it is, why it’s risky, and how to do it more safely Pieter Arntz August 19, 2026 0 Comments With the new Advanced Flow for sideloading being rolled out, it's time to discuss what sideloading is and how to do it more safely. Scammers are using fake crypto AML checkers to drain your wallet Stefan Dasic August 19, 2026 0 Comments We found wallet-checking sites impersonating real anti-money laundering services that trick people into approving access to scammers. 1 2 3 … 645 Next Contributors Threat Center Podcast Glossary Scams
