Security News > 2018 > November > Microsoft’s MFA is so strong, it locked out users for 8 hours
![Microsoft’s MFA is so strong, it locked out users for 8 hours](/static/build/img/news/alt/cybersecurity-attacker-medium.jpg)
2018-11-21 13:11
It's a long time for Office 365 and Azure AD users to be locked out of such an important business platform, but MFA remains a good idea.