Tag: m365
2 articles
Hackers Exploit M365 Feature in Targeted Phishing Campaign
KnowBe4's Threat Lab team uncovered a massive phishing campaign, detecting 29,785 confirmed phishing emails that exploited Microsoft 365's Direct Send feature over just two months. The attacks followed a surprisingly human pattern, spiking on Mondays and Tuesdays during US business hours.
Phishers Exploit Microsoft Device Code Flow to Hijack M365 Accounts
Cyber attackers have cleverly exploited Microsoft's device code login flow to hijack M365 accounts, using a sneaky collaboration-style lure to trick users into handing over session tokens without even needing to steal passwords. This clever tactic abuses the OAuth 2.0 Device Authorization Grant, designed for constrained devices, to bypass security measures like multifactor authentication.