More than 40,000 organisations have received fake calendar invitations designed to steal Microsoft account credentials, according to new…

Ontinue’s 1H 2026 threat report shows attackers increasingly abusing Microsoft Teams, npm packages, device-code logins and blockchain ClickFix…

Fake helpdesk callers use Microsoft Teams and Quick Assist to access employee computers, where attackers install new GoGRPC backdoor in suspected ransomware operations