Facebook Buys Leaked Passwords From Black Market, But Do You Know Why?

Facebook is reportedly buying stolen passwords that hackers are selling on the underground black market in an effort to keep its users' accounts safe.

On the one hand, we just came to know that Yahoo did not inform its users of the recently disclosed major 2014 hacking incident that exposed half a billion user accounts even after being aware of the hack in 2014.

On the other hand, Facebook