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. [...]

Security researchers have disclosed a high-severity vulnerability dubbed "ClawJacked" in the popular AI agent OpenClaw that allowed a malicious website to silently bruteforce access to a locally running instance and take control over it. [...]

A Chrome extension named "QuickLens - Search Screen with Google Lens" has been removed from the Chrome Web Store after it was compromised to push malware and attempt to steal crypto from thousands of users. [...]

Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was actively exploited in zero-day attacks that allowed remote attackers to compromise controllers and add malicious rogue peers to targeted networks. [...]

Wynn Resorts has confirmed that a hacker stole employee data from its systems after the company was listed on the ShinyHunters extortion gang's data leak site. [...]

Amazon is warning that a Russian-speaking hacker used multiple generative AI services as part of a campaign that breached more than 600 FortiGate firewalls across 55 countries in five weeks. [...]

Researchers have discovered the first known Android malware to use generative AI in its execution flow, using Google's Gemini model to adapt its persistence across different devices. [...]

Threat actors are now abusing DNS queries as part of ClickFix social engineering attacks to deliver malware, making this the first known use of DNS as a channel in these campaigns. [...]