Hackers target Microsoft 365 accounts with 81 million login attempts
Summary
Hackers have launched a massive password-spraying campaign targeting Microsoft 365 accounts, generating over 81 million login attempts in just two weeks. The attackers are leveraging lists of compromised credentials to gain unauthorized access to user accounts.
IFF Assessment
FOE
This indicates an increased threat to cloud-based productivity suites, requiring defenders to bolster their authentication and monitoring capabilities.
Defender Context
Organizations using Microsoft 365 should be vigilant against widespread credential stuffing and password spraying attacks. Implementing multi-factor authentication (MFA) and strong password policies is crucial. Monitoring for anomalous login patterns and failed authentication attempts can help detect and prevent account compromise.