When it comes to securing online accounts, most people don’t think beyond a username and password and even then, they re-use their passwords or use weak passwords. Both of these habits are bad security practices as any hacker worth his salt can find a way to crack these passwords and take control of your online accounts. This is why, having a strong, unique password is the first step in securing your online accounts, but it doesn’t stop there. Even the best passwords can be cracked with enough time and that is why you need a second layer of defense for your online accounts and that is multi-factor authentication. What is Multi-Factor Authentication (MFA) Multi-factor authentication (MFA), often called two-factor authentication (2FA), is a method of using more than one authentication factor for accessing online accounts. Contrary to this, the username and password method only use a single factor, the password. This other factor in MFA can be any two of the following: Som