To increase your security you can enable two-factor-authentication.
What will change when you have enabled two-factor-authentication?
When you've enabled two-factor-authentication you will be forwarded to the two-factor-authentication page
just after you logged in. (see below)
On this page you will see an encrypted message, you need to decrypt it and type the decrypted message to continue.
How to enable?
To enable two-factor-authentication:
Why do I need two-factor-authentication?
Enable two-factor-authentication makes it way more difficult for a hacker to enter your account. A hacker now needs to have your username/password and your PGP private key.