By Joel Christie PUBLISHED: 16:23 EST, 14 March 2014 | UPDATED: 16:36 EST, 14 March 2014 Target discarded a system of security alarms alerting them to their landmark data breach, which left over 40 million customers vulnerable to credit card theft and identity fraud, garnered the department store more than 90 lawsuits and is expected to cost them billions of dollars in ongoing damage control. New information obtained by Bloomberg Businessweek on Thursday has shown the United States' no. 3 retailer detected potentially malicious activity during last year's hack but that staff declined to take immediate action.
@highlight
Target installed a $1.6 million security system six months before the attack in November
@highlight
Designed by FireEye, who service the CIA and the Pentagon, the software detects malicious activity
@highlight
Was being manned around the clock by an outpost in Bangalore, India, who would notify Target HQ in Minneapolis of anything suspicious
@highlight
Bangalore noticed the breach, but Target's U.S. security didn't act on it
@highlight
Computer experts say the company would receive hundreds of similar threats each day
@highlight
The data breach is expected to cost Target billions of dollars in damage control, from lawsuits to the call centers set up to handle complaints
Two security experts who advise organizations in responding to cyber attacks and both have experience using FireEye technology said that security personnel typically don't get excited about such generic alerts because @placeholder does not provide much information about those threats.