Your email account is the skeleton-key to your life, since all kinds of services send emails to verify this and that. Protecting your email account(s) is, then, vital to securing your online life. Since Google's gmail is perhaps the most popular email platform, we'll look at an effective way to secure your gmail account(s). Namely, 2-factor authentication means logging in requires access to not just your password, but to a second device - such as your cell phone.