With password breaches so common nowadays, it could be the one thing that keeps hackers from stealing your identity online. Two-factor authentication combines two different factors, for example a password and a one-time-code sent via email or SMS. Both are better than relying on a single password, so take advantage of it. Most websites give users the option to remove any of their previously trusted devices in case they are lost or compromised, so keep that in mind. Most online services have contingency plans for those scenarios.”]