The first thing you must do if you believe your Facebook account has been compromised is to change your password. If you use Facebook as a login to apps such as Spotify or Instagram make sure you change the logins. This will stop hackers from accessing these services via your hacked Facebook account.
Hackers can uncover a wealth of personal data in hacked Facebook accounts. Hackers can use this information for malicious reasons, like stealing credit card numbers and sending out fake credit card offers or scams using phishing. Hackers may also use compromised accounts to send spammy messages or post on your timeline (as in the event that it was you who was responsible).
One of the most common ways hackers gain access to an account is to exploit a flaw in Facebook’s app code. A bug in the iOS Facebook app allows hackers to steal cookies, and then steal the “access token” of an iPhone user. These tokens which are digital keys, grant them full control over the user’s Facebook Account, as well as any other websites they access using their Facebook credentials.
Hackers can also gain access to an account by using brute force attacks. This method involves figuring out passwords, mostly the most popular ones such as 1234567890 and 123456789. Hackers may gain access to accounts by scanning compromised credentials. There are several tools for free that can be used to search for stolen data, including a popular site called HaveIBeenPwned.
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