The compromise of Mandiant’s X (formerly Twitter) account last week was likely the result of a “brute-force password attack,” attributing the hack to a drainer-as-a-service (DaaS) group.
“Normally, [two-factor authentication] would have mitigated this, but due to some team transitions and a change in X’s 2FA policy, we were not adequately protected,” the threat intelligence firm said
Source:: The Hackers News