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Toys "R" Us Canada has sent notices of a data breach to customers informing them of a security incident where threat actors leaked customer records they had previously stolen from its systems.

HP has pulled an HP OneAgent software update for Windows 11 that mistakenly deleted Microsoft certificates required for some organizations to log in to Microsoft Entra ID, effectively disconnecting them from their company's cloud environments.

Today, Microsoft introduced Mico, a new and more personal avatar for the AI-powered Copilot digital assistant, which the company describes as human-centered.

The Cybersecurity & Infrastructure Security Agency (CISA) is warning that hackers are exploiting a critical vulnerability in the Motex Landscope Endpoint Manager.

Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from the Internet to block credential theft attacks via malicious documents.

AI agents now act, decide, and access systems on their own -- creating new blind spots Zero Trust can't see. Token Security helps organizations govern AI identities so every agent's access, intent, and action are verified and accountable.

OpenAI's Atlas and Perplexity's Comet browsers are vulnerable to AI sidebar spoofing attacks that mislead users into following fake AI-generated instructions.

North Korean Lazarus hackers compromised three European companies in the defense sector through a coordinated Operation DreamJob campaign leveraging fake recruitment lures.

State-sponsored Iranian hacker group MuddyWater has targeted more than 100 government entities in attacks that deployed version 4 of the Phoenix backdoor.

Security researchers collected $792,750 in cash after exploiting 56 unique zero-day vulnerabilities during the second day of the Pwn2Own Ireland 2025 hacking competition.