![2 Probe It référencé cybermalveillance.gouv](https://veille-cyber.com/wp-content/uploads/2021/06/2.jpg)
Multi-factor authentication (MFA) continues to embody both the best and worst of business IT security practice. As Roger Grimes wrote in this article about two-factor hacks three years ago, when MFA is done well it can be effective, but when IT managers take shortcuts it can be a disaster.