If you downloaded a dud app, it might have stolen your Facebook password - Apps-and-software

A lot of the apps didn't work very well before signing in with Facebook, and then didn't work even after signing in.
A lot of the apps didn't work very well before signing in with Facebook, and then didn't work even after signing in.

What is Malware? Malware Definition, Types and Protection

Warning signs you've been hacked and what to do next - InfoTrack

A new Facebook scam allows your friend contacts to hack your account

7 Urgent Steps to Take When Your Facebook Account Gets Hacked

Password Hacked? Hack Check - Apps on Google Play

Apple distributed a fake LastPass Password Manager in the App Store - The Mac Security Blog

3 Ways to Get Someone's Facebook Password - wikiHow

Have I Been Hacked? How To Recover From a Hack (2023)

Guide: Recover a Hacked Facebook Account in 2023