Inside the Target breach

(suspenseful theme music)…- [Narrator] Now, let's go inside the breach.…Cybersecurity experts quickly descended upon Target,…hired to identify the source of the breach…and prevent a similar attack from recurring in the future.…Their investigation quickly lead them…in an unexpected direction.…Attackers hadn't directly compromised systems at Target,…instead they began their quest at a small business…in Sharpsburg, Pennsylvania on the outskirts of Pittsburgh.…

Fazio Mechanical Services is an unassuming firm…that specializes in heating, ventilation…and air conditioning services.…This small business, located in an industrial park…on the Allegheny River, is hardly the type of place…you'd expect to be the source…of one of the largest data breaches in history,…but you'd be wrong.…You see, Fazio had a contract to provide services to Target,…and the attackers had done enough research…to know this connection.…They saw this company as the weak link…that could yield great fruit.…

The attacker clearly had done his or her homework…