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Lawsuit About WhatsApp Security

ID: c0cbd390-0fbc-5018-8d3b-2b160823020a

STIX ID: report--c0cbd390-0fbc-5018-8d3b-2b160823020a

Feed Name: Schneier on Security

Threat Score
75/100

Date Published: 2025-09-15

Date Updated: 2026-04-19

Author: Bruce Schneier

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A whistleblower lawsuit filed by WhatsApp’s former head of security alleges that Meta failed to fix systemic security flaws, resulting in widespread account takeovers (100,000–400,000 users per day) and large-scale scraping of user profile data (about 400 million profile items per day); the complaint claims violations of prior settlement obligations and whistleblower protections.

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