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Mysterious custom malware used to steal 1.2TB of data from million PCs

June 11, 2021

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Researchers from NordLocker have discovered an unsecured database containing 1.2-terabyte of stolen data. Threat actors used custom malware to steal data from 3.2 million Windows systems between 2018 and 2020. The database includes 6.6 million files and 26 million credentials, 11 million unique email addresses, and 2 billion web login cookies, researchers pointed out that 22% of the web login cookies were still valid at the time of the discovery of the archive.

Cookies are a precious source of intelligence about victims’ habits and could be abused to access the person’s online accounts of the victims.

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