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WhatsApp: NSO Group Operates Pegasus Spyware for Customers

ID: 53fa07ee-3f2b-555e-9ce8-c7a8c6288423

STIX ID: report--53fa07ee-3f2b-555e-9ce8-c7a8c6288423

Feed Name: Dark Reading

Threat Score
90/100

Date Published: 2024-11-18

Date Updated: 2026-04-21

Author: Jai Vijayan, Contributing Writer

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Court documents in WhatsApp's lawsuit allege that NSO Group directly operated its Pegasus spyware—developing tools (Heaven, Eden, Erised) to use WhatsApp servers to deliver malware to targets—and that the company controlled the data retrieval process for customers; the report also cites a 2021 leak of over 50,000 targeted phone numbers, confirmed targeting of roughly 1,400 phones, ongoing litigation, and NSO's U.S. blacklist.

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