The Equifax data breach that exposed the sensitive personal information of more than 145 million consumers was one of the worst data breaches of recent years, both for the amount of information exposed and the ease with which hackers moved about the company's systems.
The breach was publicly disclosed on Sept. 7, 2017, and details on the breach slowly trickled out for months afterwards. Now a year later, the U.S. Government Accountability Office (GAO) has released a 40-page report outlining what happened. The retrospective look at the breach provides insights into how the breach occurred and what types of controls and technologies might have helped prevent it.
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