Alexion Pharmaceuticals

Alexion Pharmaceuticals

Data breach claim reported November 10, 2026
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Data Breach Report
Victimalexion.com
Claimed ByVortex
Date DiscoveredNov 10, 2026
DescriptionAlexion Pharmaceuticals, Inc. is a biopharmaceutical company based in USA (Massachusetts), a rare disease unit of AstraZeneca that develops and markets complement-inhibitor medicines for rare, immune-mediated diseases.
Leak Size2.13TB

Breach claims on this page are published by threat actors and haven't been verified by Breachsense.

Credential Exposure for alexion.com

We've indexed 492 @alexion.com accounts from external breaches, plus 40 credentials for alexion.com itself.

Last checked Nov 10, 2026

@alexion.com addresses from external breaches
Third-party breaches449 accounts · across 67 breaches · 302 with a plaintext password · most recent Dec 29, 2024
Combo lists103 accounts · most recent Nov 9, 2026
Passwords for alexion.com accounts
Combo lists33 logins · most recent Nov 8, 2026
Infostealer logs16 logins · 6 infected devices · most recent Nov 6, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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