The vpnMentor research team discovered a web forum post exposing information stolen from McGraw Hill. The database allegedly contained information from 90,875 users.

McGraw Hill is one of the big three American education content publishing companies. According to their website, they’ve been in the publishing industry since McGraw Publishing Company and Hill Publishing Company merged in 1917.

The hacker posted the data along with a description alleging that 90,875 users were affected. According to the post, among the leaked information are full names, usernames, account IDs, phone numbers, email addresses, and home addresses.

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Screenshot of the post exposing McGraw Hill’s users’ database

The database was posted behind a paywall; thus, the research team couldn’t access the link to the full database and only saw the sample shared in the post.

Upon the vpnMentor research team’s inspection of the sample data, the team confirmed that full names and email addresses were included in the leak.

The phone numbers and home addresses of the individuals exposed in the shared sample are blank, but those fields could be filled for other users in the full database.

Back in 2022, the vpnMentor team found and reported a McGraw Hill data leak that affected over 100,000 students.

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