🏮 China-Linked Hackers Use ARTEX AI to Target 2,250 Microsoft 365 Tenants After ConnectWise Breach Details: cybersecuritynews.com/china-… China-state-aligned hackers used ARTEX, an AI-powered penetration-testing framework, to attempt access to more than 2,250 Microsoft 365 tenants following the ConnectWise Cloud Backup breach. Microsoft attributed the attack to Storm-0940 and reported 2,900 sign-in attempts per minute, leaving security teams little time to investigate and block access. The attackers abused stolen application credentials and permissions already approved by customers, rather than requiring users to enter passwords. Between October 10 and 14, its infrastructure targeted 327 accounts across eight organizations, generating more than 151,000 failed logons. #cybersecuritynews