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PRA/Last Research Update: October 2026
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WhatsApp 2019 Targeting Campaign

WhatsApp reported approximately 1,400 users targeted during the documented attack period via a zero-click vulnerability in its calling infrastructure. This became the basis of WhatsApp v. NSO Group.

Last Verified 2026-10-01Author Pegasus Research ArchiveEditor Editorial Team
  • 01Evidence status: CONFIRMED
  • 02Attack vector: WhatsApp zero-click (CVE-2019-3568)
  • 03Spyware: Pegasus
  • 04Individuals: 1400
  • 05Researcher: WhatsApp / Citizen Lab

What Happened

WhatsApp reported approximately 1,400 users targeted during the documented attack period via a zero-click vulnerability in its calling infrastructure. This became the basis of WhatsApp v. NSO Group.

Evidence

Evidence status: CONFIRMED

Attack vector: WhatsApp zero-click (CVE-2019-3568)

Individuals documented: 1400

CONFIRMED

“WhatsApp 2019 Targeting Campaign involved Pegasus.”

Researcher: WhatsApp / Citizen Lab. Primary source: META-2019-05.

META-2019-05

Attribution

WhatsApp attributed the attack to NSO Group.

What NSO Group Says

NSO Group Position

NSO Group has stated its technology is licensed to vetted governmental agencies for legitimate law-enforcement and national-security purposes. NSO has not typically commented on individual cases or operators.

Legal Status

WhatsApp v. NSO Group litigation; 2024 liability ruling; 2025 damages and permanent injunction.

Last Verified 2026-10-01Author Pegasus Research ArchiveEditor Editorial Team
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