If you suspect that your Facebook account has been compromised, it is recommended to change your password immediately. Then, if you use Facebook to log into apps like Spotify or Instagram, change those logins as well. This will prevent the hacker from accessing these services via your compromised Facebook account.
Hackers can find a wealth of personal information in hacked Facebook accounts. Hackers can use the information to carry out malicious purposes such as spamming people or sending fake credit card offers. Hackers can also use compromised accounts to send out spam messages or post on your timeline (as as if it was you who made the mistake).
One of the most frequent ways hackers can gain access to an account is to exploit a flaw in Facebook’s app code. For instance, a glitch in iOS’s Facebook application allowed hackers to steal cookies and get an iPhone user’s “access token.” These tokens are digital keys that grant the user complete control over the user’s Facebook account and thanks to Single Sign-On, any other websites that the user logs into with their Facebook credentials.
A hacker can also gain access to an account through brute force attacks. This method involves figuring out passwords, typically the most popular ones such as 123456789 and 1234567890. Also, hackers may gain access to an account by sifting through compromised credentials. There use this link are numerous free tools that can be used to check for stolen data, including a popular site called HaveIBeenPwned.
