If you don't know what Multi-Factor Authentication is (MFA) here's a definition that I didn't make.
Source: Cloudflare.com
I have MFA on nearly every site I use except some forums or sites that just straight up don't have it as an option.Multi-factor authentication, or MFA, is a way to verify user identity that is more secure than the classic username-password combination. MFA usually incorporates a password, but it also incorporates one or two additional authentication factors.
We deploy MFA at work all the time to our clients and the reactions are all about the same