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.