A number of data breaches have been disclosed over the course of 2018, but none have been as big or had as much impact as the one disclosed on Nov. 30 by hotel chain Marriott International.
A staggering 500 million people are at risk as a result of the breach, placing it among the largest breaches of all time, behind Yahoo at 1 billion. While the investigation and full public disclosure into how the breach occurred is still ongoing, there are lots of facts already available, and some lessons for other organizations hoping to avoid the same outcome.
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