Find Out if Someone is Spying on Your Facebook Account

Unless you fly strictly under the radar, your Facebook account has valuable data about you—like who you speak with the most and what you talk about. It can also be a treasure trove of other personal details like your family members, close friends, and social plans.

You should be the only one to control your account. To ensure this, periodically verifying that everything’s secure is a wise idea...

On a PC
Meta buries this info in its account center. To go directly there, head to https://accountscenter.facebook.com/password_and_security/login_activity. 

You can also navigate there manually:

• Open the Facebook website in your browser
• Click on your profile icon at the top right of the window
• Choose Settings & privacy
• Select Settings
• Under Accounts Center in the upper left, click on See more in Accounts Center
• Choose Password and security
• Under Security checks, click on Where you’re logged in

A pop-up will appear with a box showing your name and the device you’re currently using, plus a small number showing the other devices logged in. more