The first thing you should do if you believe your Facebook account has been compromised is to change your password. Then, if you are using Facebook for logging into apps such as Spotify or Instagram change your logins too. This will stop the hacker from accessing these third-party services through your compromised Facebook account.

A compromised Facebook account can give hackers a treasure trove of personal information. Hackers can make use of this information for nefarious reasons, such as sending out spam messages to people or sending fake credit card offers. Hackers may also use compromised accounts to send out spam messages or even post on your timeline (as in the event that it was you who committed the crime).

One of the most common methods hackers gain access to an account is to exploit an error in Facebook’s application code. A flaw in the iOS Facebook application allows hackers to steal cookies and steal the “access token” of an iPhone user. These tokens are digital keys, grant the hackers full control over the user’s Facebook Account, and any other websites they visit with their Facebook credentials.

Hackers also have the ability to gain account access by using brute-force attacks. This technique involves guessing the password, usually the most commonly used ones such as 123456789 or 1234567890. Additionally, hackers can gain access to accounts by scanning for compromised credentials. There are a variety of free tools that can be used to scan for stolen data, including a popular website called HaveIBeenPwned.

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