Actor Advertises Japanese PII on Chinese Underground
Kelly Sheridan reports:
A dataset containing more than 200 million lines of Japanese personally identifiable information (PII) has been found on the Chinese underground market, researchers report. It’s believed the data is authentic and was exfiltrated from multiple Japanese website databases.
Experts at FireEye iSIGHT Intelligence first noticed the actor advertising the dataset in December 2017. This actor has sold site databases on Chinese underground forums since at least 2013 and is likely connected to someone living in China’s Zhejiang province.
The team identified the actor and data as part of regular monitoring of the cyber threat landscape, explains Oleg Bondarenko, senior manager for international research at FireEye. The Chinese underground primarily consists of instant messenger groups such as QQ, he says. This dataset was not discovered on a forum but rather a group for sharing and offering data.
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