Insight Partners
Disclosed Feb 18, 20251 year ago12,600 affectedConfirmed
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 affected | 12,600 (as reported by the organization) |
|---|---|
| Disclosed | Feb 18, 2025 |
| Discovered | Jan 16, 2025 |
| Happened | Oct 25, 2024 |
| Attack | Ransomware |
| Data exposed | Names, Financial, Employment, Internal documents |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Insight Partnersoag.ca.gov · Official notice | Official notice |
| VC giant Insight Partners confirms January cyberattacktechcrunch.com · News | News |
| VC firm Insight Partners says thousands of staff and limited partners had personal data stolen in a ransomware attacktechcrunch.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Feb 18, 2025 | 12,600 |
| California AGresidents of CA | Sep 15, 2025 |
History of this record
- 2026-09-25 · sector: other to finance · seed source
- 2026-09-25 · attack: unknown to ransomware · seed source
- 2026-09-25 · data_types: [] to ["names","financial","employment","internal-docs"] · seed source
- 2026-09-25 · records_basis: empty to organization · seed source
- 2026-09-25 · records: empty to 12600 · seed source
- 2026-09-25 · disclosed: 2025-09-15 to 2025-02-18 · seed source
- 2026-09-25 · discovered: empty to 2025-01-16 · seed source
- 2026-09-25 · summary: 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 wer · seed source
- 2026-09-25 · title: empty to Ransomware attack on VC firm Insight Partners exposes staff and LP data · seed source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.