Microsoft: Using multi-factor authentication blocks 99.9% of account hacks
Old advice like “never use a password that has ever been seen in a breach” or “use really long passwords” doesn’t really help.
Microsoft says that users who enable multi-factor authentication (MFA) for their accounts will end up blocking 99.9% of automated attacks.
The recommendation stands not only for Microsoft accounts but also for any other profile, on any other website or online service.
Source: Microsoft: Using multi-factor authentication blocks 99.9% of account hacks | ZDNet