The FBI has issued a public service announcement warning that Russian intelligence-linked threat actors are actively targeting users of encrypted messaging apps such as Signal and WhatsApp in phishing campaigns that have already compromised thousands of accounts. [...]

Oracle has released an out-of-band security update to fix a critical unauthenticated remote code execution vulnerability in Identity Manager and Web Services Manager tracked as CVE-2026-21992. [...]

The FBI has seized two websites used by the Handala hacktivist group after the threat actors conducted a destructive cyberattack on medical technology giant Stryker that wiped approximately 80,000 devices. [...]

Apple has released its first Background Security Improvements update to fix a WebKit flaw tracked as CVE-2026-20643 on iPhones, iPads, and Macs without requiring a full operating system upgrade. [...]

Microsoft has released an out-of-band (OOB) update to fix a security vulnerabilities affecting Windows 11 Enterprise devices that receive hotpatch updates instead of the regular Patch Tuesday cumulative updates. [...]

Microsoft is investigating a new issue affecting some Samsung laptops running Windows 11 after installing the February 2026 security updates, in which users lose access to their C:\ drive and are unable to launch applications. [...]

The FBI is asking gamers who installed Steam titles containing malware to provide information as part of an ongoing investigation into eight malicious games uploaded to the gaming platform. [...]

Canadian business process outsourcing giant Telus Digital has confirmed it suffered a security incident after threat actors claimed to have stolen nearly 1 petabyte of data from the company in a multi-month breach. [...]

Microsoft has released the Windows 10 KB5078885 extended security update to fix the March 2026 Patch Tuesday vulnerabilities, including 2 zero-days and an issue that prevent some devices from shutting down. [...]

Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities. [...]

Russian state-sponsored hackers have been linked to an ongoing Signal and WhatsApp phishing campaign targeting government officials, military personnel, and journalists to gain access to sensitive messages. [...]

Threat actors are abusing the special-use ".arpa" domain and IPv6 reverse DNS in phishing campaigns that more easily evade domain reputation checks and email security gateways. [...]

Microsoft says threat actors are increasingly using artificial intelligence in their operations to accelerate attacks, scale malicious activity, and lower technical barriers across all aspects of a cyberattack. [...]

The Wikimedia Foundation suffered a security incident today after a self-propagating JavaScript worm began vandalizing pages and modifying user scripts across multiple wikis. [...]

Microsoft has released the KB5075039 Windows Recovery Environment update for Windows 10 to fix a long-standing issue that prevented some users from accessing the Recovery environment. [...]

Customers of restaurants using the HungerRush point-of-sale (POS) platform say they received emails from a threat actor attempting to extort the company, warning that restaurant and customer data could be exposed if HungerRush fails to respond. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a VMware Aria Operations vulnerability tracked as CVE-2026-22719 to its Known Exploited Vulnerabilities catalog, flagging the flaw as exploited in attacks. [...]

Social media giant Facebook is currently experiencing a massive worldwide outage, preventing users from accessing their accounts. [...]

Researchers warn that a newly identified open-source AI security testing platform called CyberStrikeAI was used by the same threat actor behind a recent campaign that breached hundreds of Fortinet FortiGate firewalls. [...]