password spray attack

A new cybersecurity threat is casting a long shadow over Microsoft 365 environments. A mega-botnet—comprising over 130,000 compromised devices—is reportedly executing a high-scale password spray attack on Microsoft 365 accounts. This sophisticated onslaught exploits a little-discussed...

A recent report by SecurityScorecard has uncovered a massive botnet of over 130,000 compromised devices launching widespread Microsoft 365 password spray attacks. By exploiting the outdated Basic Authentication protocol, threat actors are sidestepping multi-factor authentication (MFA) defenses...