Yes, the social networking decided to alert its users if they feel that government of the country is spying on its user(s).
Alex Stamos, who is the chief security officer of Facebook, wrote a blog post where he stated about the latest decision taken by the social networking site.
Stamos wrote, "Starting today, we will notify you if we believe your account has been targeted or compromised by an attacker suspected of working on behalf of a nation-state."
"We do this because these types of attacks tend to be more advanced and dangerous than others, and we strongly encourage affected people to take the actions necessary to secure all of their online accounts," he added.
It has been reported that Facebook will send alerts and will also send boxed messages. It will ask the targeted user(s) to immediately secure accounts and will provide a link to turning on a feature that requires a code sent to members' mobile phones along with a password to log in.