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Data breach at edtech giant McGraw Hill affects 13.5 million accounts

BACKGROUND
1 SIGNALFIRST DETECTED 16 April 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
14 Apr
McGraw-Hill confirms data breach following extortion threat

Education company McGraw-Hill has confirmed in a statement to BleepingComputer that hackers exploited a Salesforce misconfiguration and accessed its internal data. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
6 May
Millions of students’ personal data stolen in major education breach

ShinyHunters claims it stole personal data from 275 million users on Instructure’s Canvas platform across schools and education providers.

REPORT · WHAT · Malwarebytes LabsOPEN STORY
15 Jun
Infinite Campus data breach affects 137,000 school staff accounts

The ShinyHunters extortion gang stole personal information from more than 137,000 school staff accounts in a Salesforce data theft attack that targeted the widely used Infinite

REPORT · WHAT · BleepingComputerOPEN STORY
3 May
Instructure confirms data breach, ShinyHunters claims attack

Educational tech giant Instructure has confirmed that data was stolen in a cyberattack, with the ShinyHunters extortion gang claiming responsibility. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
31 Aug
Hackers claim millions of patient records stolen during data breach at healthcare giant McKesson

Hackers claim millions of patient records stolen during data breach at healthcare giant McKesson

OPINION · WHAT · TechCrunchOPEN STORY
27 Aug
Carhartt data breach exposes information of 12.9 million accounts

The ShinyHunters extortion group has published sensitive data from nearly 13 million accounts stolen from clothing retailer giant Carhartt earlier this month, according to data

REPORT · WHAT · BleepingComputerOPEN STORY
Sources
BleepingComputer

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