You are using AWS cloud with all the security modules enabled along with Cloudflare account. This alone does not keep your account safe from prying eyes. So making use of two two-factor authentication (2FA) is best way to secure your cloud account. Also 2FA is an very essential element of cybersecurity. These days with increase in work from home due to ongoing COVID-19 pandemic online security of your account is must. So lets start from basic to advanced on how to setup 2FA on AWS cloud server running Ubuntu system. What is Two Factor Authentication There are different authenticator services such as Authy, Google Authenticator and Microsoft Authenticator. It is difficult to to say which is best 2FA authentication as