By now you've probably heard that hackers were able to breach a Yahoo server
and expose more than 450,000 account passwords. No server or network is impervious, but Yahoo's negligence or incompetence made this attack possible.
It may seem like a wake-up call for protecting servers better, and improving network security, but the reality is that it's just a reminder that common sense and basic security practices could probably prevent this - and most other - attacks.
Where did Yahoo go wrong?
Well, according to Jason Rhykerd, an IT security expert with SystemExperts, Yahoo made three serious mistakes.