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​Sam's Club, an American warehouse supermarket chain owned by U.S. retail giant Walmart, is investigating claims of a Clop ransomware breach. [...] from https://www.bleepingcomputer.com/news/security/retail-giant-sams-club-investigates-clop-ransomware-breach-claims/

Artificial intelligence company OpenAI has announced a fivefold increase in the maximum bug bounty rewards for "exceptional and differentiated" critical security vulnerabilities from $20,000 to $100,000. [...] from...

A newly discovered phishing-as-a-service (PhaaS) operation that researchers call Morphing Meerkat, has been using the DNS over HTTPS (DoH) protocol to evade detection. [...] from...

Microsoft resolved an issue that caused the new Outlook email client to crash when users clicked a button designed to switch back to classic Outlook. [...] from https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-button-that-restores-classic-outlook-client/

Three security bypasses have been discovered in Ubuntu Linux's unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components. [...] from...

A breach at Oracle Health impacts multiple US healthcare organizations and hospitals after a threat actor stole patient data from legacy servers. [...] from https://www.bleepingcomputer.com/news/security/oracle-health-breach-compromises-patient-data-at-us-hospitals/

Microsoft has fixed a known issue that caused problems with Remote Desktop and RDS connections after installing Windows updates released since January 2025. [...] from...

The legacy domain for Microsoft Stream was hijacked to show a fake Amazon site promoting a Thailand casino, causing all SharePoint sites with old embedded videos to display it as spam. [...] from...

Ten npm packages were suddenly updated with malicious code yesterday to steal environment variables and other sensitive data from developers' systems. [...] from...

A China-linked cyberespionage group known as 'FamousSparrow' was observed using a new modular version of its signature backdoor 'SparrowDoor' against a US-based trade organization. [...] from...

​​Microsoft has released the KB5053656 preview cumulative update for Windows 11 24H2 with 38 changes, including real-time translation on AMD and Intel-powered Copilot+ PCs and fixes for authentication and blue-screen issues. [...] from...

​In May, Microsoft plans to roll out a new Windows scheduled task that launches automatically to help Microsoft Office apps load faster. [...] from https://www.bleepingcomputer.com/news/microsoft/microsoft-new-windows-scheduled-task-will-launch-office-apps-faster/

A new report sheds light on the most targeted WordPress plugin vulnerabilities hackers used in the first quarter of 2025 to compromise sites. [...] from https://www.bleepingcomputer.com/news/security/the-four-wordpress-flaws-hackers-targeted-the-most-in-q1-2025/

Mozilla has released Firefox 136.0.4 to patch a critical security vulnerability that can let attackers escape the web browser's sandbox on Windows systems. [...] from...

You can't escape AI in WhatsApp even if you are based in one of the 41 European countries. Today, more people are seeing the Meta AI chatbot being added to WhatsApp. [...] from...

​Microsoft says a known issue is causing Remote Desktop freezes on Windows Server 2025 systems after installing security updates released since the February 2025 Patch Tuesday. [...] from...

Vivaldi has announced the integration of Proton VPN directly into its browser without requiring add-on downloads or plugin activations, allowing users to protect their data against 'Big Tech' surveillance for free. [...] from...

Dozens of vulnerabilities in products from three leading makers of solar inverters, Sungrow, Growatt, and SMA, could be exploited to control devices or execute code remotely on the vendor's cloud platform. [...] from...