To prevent more break-ins, Facebook is adding a few more security measures to ensure that it’s really you logging in.

The company has been testing a feature that lets users pick which devices they prefer to use when logging into the social network. If a log-in request comes from an unknown device, like someone else’s computer or phone, Facebook will email the user a notification. That message will come with steps on how to reset passwords.

Facebook has also been asking users who log in from unusual locations to answer additional questions to prove their identity.

It’s all part of a company effort to prevent hacking or phishing attempts. Facebook is one of the most targeted online properties in the world; in fact, today the company finally identified a Russian hacker┬ánamed Kirilos who was trying to sell 1.5 million Facebook accounts in underground hacking forums.