A threat actor has published hundreds of fake GitHub repositories impersonating legitimate software and security projects to distribute infostealer malware. [...]

Microsoft has released the Windows 10 KB5099539 extended security update, which includes the July 2026 Patch Tuesday security updates for 570 vulnerabilities, along with additional security fixes. [...]

Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed. [...]

Microsoft has released Windows 11's June 2026 Update for version 25H2, 24H2, and 23H2, bringing fixes for over 570 security issues. [...]

Progress Software has confirmed that a high-severity zero-day vulnerability is behind the emergency shutdown of ShareFile Storage Zone Controllers last week and has released security updates to patch the flaw. [...]

LastPass is warning users about an ongoing phishing campaign that is using fake security notices to direct them to fraudulent websites. [...]

Many vulnerabilities cannot be safely validated with live exploits, either because no exploit exists or the affected systems are too critical to test. Picus explains how TTP chaining helps organizations determine exploitability by validating the attack techniques an exploit depends on, without la...

Microsoft has announced that passkeys will become the default authentication method for the Entra ID enterprise identity service starting September 2026. [...]

Two new phishing kits, Jalisco and OmegaLord, have been discovered in attacks targeting Microsoft 365 accounts, using techniques that defeat multi-factor authentication (MFA). [...]

SAP has addressed 16 vulnerabilities across multiple products as part of its July 2026 security updates, including three critical flaws in NetWeaver, Commerce Cloud, and AppRouter. [...]

Microsoft is now testing a cleaner and faster version of Windows Search that should prioritize relevant results over ads and promotional content. [...]

The U.S. Treasury Department's Office of Foreign Assets Control (OFAC) sanctioned two individuals and one entity for enabling ransomware attacks against U.S. organizations. [...]

Japan's largest taxi operator, Nihon Kotsu, announced that its systems were compromised in a cyberattack, forcing the company to shut down part of its infrastructure. [...]

The Jscrambler client-side web security company disclosed that a threat actor published a malicious version of its npm package that has been downloaded almost 1,500 times. [...]

A new macOS information-stealing malware called CrashStealer pretends to be Apple's crash-reporting tool to steal credentials, keychain data, and crypto wallets. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that attackers are exploiting vulnerabilities in the iCagenda and Balbooa Forms extensions for Joomla to achieve remote code execution through arbitrary file uploads. [...]

German discount supermarket chain Lidl notified customers in Germany, Belgium, and the Netherlands that attackers stole their personal information in a breach at a service provider. [...]

Learn how attackers abuse Entra ID through a free hands-on Capture the Flag. Varonis created the Breach at the Beach CTF to teach defenders how to investigate Entra ID attack techniques using realistic scenarios. [...]

UK authorities charged five people following a National Crime Agency (NCA) investigation into Russian Coms, a major caller ID spoofing platform used by criminals to make over 1.8 million scam calls. [...]

The European Union and the United Kingdom jointly sanctioned dozens of Russian individuals and entities and accused Russia of coordinating a network of hacking groups responsible for attacks across Europe. [...]