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44 disclosed this week · 26,355 on record

Insight Partners

Disclosed Feb 18, 202512,600 affectedConfirmed

Official notice

Ransomware attack on VC firm Insight Partners exposes staff and LP data

Insight Partners said a social engineering attack gave hackers access in mid-October 2024 to its HR system; they exfiltrated data and began encrypting systems on January 16, 2025. It told Maine's attorney general more than 12,600 people were affected, including staff and limited partners.

What is known

People affected12,600 (as reported by the organization)
DisclosedFeb 18, 2025
DiscoveredJan 16, 2025
HappenedOct 25, 2024
AttackRansomware
Data exposedNamesFinancialEmploymentInternal documents
SectorFinance · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to financeby seedSource
attack2026-09-25
unknown to ransomwareby seedSource
data_types2026-09-25
[] to ["names","financial","employment","internal-docs"]by seedSource
records_basis2026-09-25
empty to organizationby seedSource
records2026-09-25
empty to 12600by seedSource
disclosed2026-09-25
2025-09-15 to 2025-02-18by seedSource
discovered2026-09-25
empty to 2025-01-16by seedSource
summary2026-09-25
empty to Insight Partners said a social engineering attack gave hackers access in mid-October 2024 to its HR system; they exfiltrated data and began encrypting systems on January 16, 2025. It told Maine's attorney general more than 12,600 people werby seedSource
title2026-09-25
empty to Ransomware attack on VC firm Insight Partners exposes staff and LP databy seedSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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