This week we were once again reminded why reusing passwords is a very bad idea. Yahoo! just announced that its entire database of users was breached way back in 2014, resulting in over 500 million logins being sold on the black market.
| Source: _[AgileBits Blog | Friends (Still) Don’t Let Friends Reuse Passwords](https://blog.agilebits.com/2016/09/23/friends-still-dont-let-friends-reuse-passwords/)_ |