If you suspect that your Facebook account has been compromised, it is recommended to change your password immediately. Then, if you are using Facebook to log in to apps such as Spotify or Instagram, change those logins as well. This will stop the hacker from accessing these services from your hacked Facebook profile.
A compromised Facebook account can provide hackers with https://www.app-ink.net/transitioning-from-the-drm-to-the-vdr a treasure trove of personal information. Hackers can utilize this information for fraudulent reasons, like taking credit card numbers or spamming people with fake credit card offers or scams that involve phishing. Hackers can also use hacked accounts to send spammy messages or post on your timeline (as if it was you who was responsible).
Hackers are most likely gain access to accounts through exploiting a flaw in the Facebook app code. A bug in the iOS Facebook application allows hackers to take over cookies and steal the "access token" of an iPhone user. These tokens are digital keys, give the hackers full control over the user's Facebook Account, and any other websites they access using their Facebook credentials.
Hackers can also gain account access by using brute-force attacks. This method involves figuring out passwords, typically the most commonly used ones like 1234567890 and 123456789. Additionally, hackers can gain access to accounts by scanning for compromised credentials. There are several free tools that can be used to check for stolen data, including a popular site called HaveIBeenPwned.