
2025-08-13 02:51:40
Because FIDO-based authentication (Passkeys, YubiKeys, etc.) is so good the only way around it is to trick someone into not using it. That's essentially what a downgrade attack is. As a Microsoft #EntraID administrator you can prevent successful downgrade attack from affecting your users. Here's a few ways to mitigate the risk of downgrade attacks:
1) Have your users delete all MF…