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McKesson Healthcare Data Breach

BACKGROUND
2 SIGNALSFIRST DETECTED 28 August 2026UPDATED 18 October 2026
Narrative synthesis pending — 2 signals collected.
How the story developed
Other feeds and industry voices
31 Aug
McKesson confirms cyber incident after ShinyHunters claims patient-data theft

Healthcare company McKesson acknowledged a data breach. ShinyHunters claims to have stolen hundred of millions of records

REPORT · WHAT · Malwarebytes LabsOPEN STORY
27 Apr
Medtronic confirms breach after hackers claim 9 million records theft

Medical device giant Medtronic disclosed last week that hackers breached its network and accessed data in "certain corporate IT systems." [...]

REPORT · WHAT · BleepingComputerOPEN STORY
30 Jul
The health tech data giant, which handles vast amounts of patients' medical data, said hackers struck one of its protected health data stores.

The health tech data giant, which handles vast amounts of patients' medical data, said hackers struck one of its protected health data stores.

OPINION · WHO · TechCrunchOPEN STORY
28 Jul
Data breach at medical billing firm MCBS affects 1.26 million people

Healthcare billing company Medical Computer Business Services (MCBS) has disclosed that a 2025 network breach exposed the sensitive information of more than 1.2 million people.

REPORT · WHAT · BleepingComputerOPEN STORY
19 Aug
CareCloud confirms 3.7M patients had their medical records stolen in data breach

CareCloud confirms 3.7M patients had their medical records stolen in data breach

OPINION · WHAT · TechCrunchOPEN STORY
20 Jul
Healthcare giant Abbott probes two cyber incidents amid extortion claims

Extortion groups ShinyHunters and ShadowByt3$ claim they stole vast amounts of patient data. Those allegations have not been verified.

REPORT · WHAT · Malwarebytes LabsOPEN STORY
31 Jul
Amgen discloses data breach, says patient information was stolen reut.rs/4fFsD1i

Amgen discloses data breach, says patient information was stolen reut.rs/4fFsD1i

OPINION · WHO · ReutersOPEN STORY
16 Apr
Data breach at edtech giant McGraw Hill affects 13.5 million accounts

The ShinyHunters extortion group has leaked data from 13.5 million McGraw Hill user accounts, stolen after breaching the company's Salesforce environment earlier this month. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
Sources
TechCrunchBleepingComputer

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