Protect your IG account at all cost

Many hackers can steal login credentials through third-party apps, such as some unsecured Instagram analytics tools. Make sure you only log in through the official Instagram app or website, and regularly check if any authorized third-party apps are accessing your account.

The real question is, how did they gain access to your account? How exactly did they obtain your password?

You should be carefully mate since these days there are so many hacker's.