Four months after a cyberattack breached its internal systems, Insight Partners has confirmed for the first time that personal data tied to customers, employees, and investors was compromised — marking a significant shift in what was previously understood about the scope of the January 2025 incident.
In a May 6 update, the venture capital and private equity firm revealed that the ongoing forensic review has uncovered unauthorized access to a broad set of sensitive information. This includes fund and portfolio company data, banking and tax records, and personally identifiable information (PII) belonging to current and former employees as well as Limited Partners (LPs). The admission follows months of internal investigation and external analysis led by an eDiscovery vendor retained to determine the exact scope of the data exposure.
This is the first time Insight has publicly confirmed that customer and investor data was definitively affected by the breach. When CyberInsider first reported on the incident in February, Insight had acknowledged a successful intrusion into its systems on January 16, 2025, via a sophisticated social engineering attack. However, at that time, the firm had not determined whether sensitive personal or financial data had been accessed.
Founded in 1995, Insight Partners oversees more than $90 billion in assets and has backed over 750 high-growth tech and software companies, including cybersecurity firms like Armis and Wiz, as well as public-facing platforms such as monday.com and Wix. The firm’s deep ties to the tech sector and its involvement with security-focused startups made it a high-value target for cybercriminals — raising concerns not just about personal data, but also potential exposure of proprietary insights.
Insight claims it acted quickly to contain the breach on the day it occurred and has since been working with forensic experts, legal advisors, and cybersecurity consultants. It has stated that there is no evidence of ongoing unauthorized access since January 16 and no operational disruptions have been reported. Law enforcement agencies in relevant jurisdictions were also notified shortly after the incident.
With the confirmation of compromised data, Insight says it will begin notifying affected individuals in the coming days through a rolling notification process. While employees and LPs had previously received internal communications about potential risks, this marks the beginning of formal, legally compliant notices under applicable data protection laws.
The firm urges individuals to take defensive action, including:
- Changing all passwords, especially on financial and enterprise accounts, and enabling multi-factor authentication.
- Monitoring financial transactions and credit reports for suspicious activity.
- Placing a credit freeze or fraud alert with the major credit bureaus.
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