If you use LinkedIn, like I do. Enable 2-factor authentication to keep your professional profile and contacts secured. How embarrassing would it be if you are advertising yourself as a security and privacy professional and someone gets into your account and spams or phishes everyone you know?
https://www.linkedin.com/settings/security-v2 is the URL to enable 2-factor on LinkedIn.
Here is my post on how to secure your other social profiles with 2-Factor (sometimes called 2step)