Diligent Data Breach History
WebsiteDiligent created the modern governance movement. As the leading governance, risk and compliance (GRC) SaaS company, we serve 1 million users from over 25,000 customers around the globe. Our innovative platform gives leaders a connected view of governance, risk, compliance and ESG across their organization. Our world-changing idea is to empower leaders with the technology, insights and connections they need to drive greater impact and accountability – to lead with purpose. Our employees are passi
This page shows all data breaches of Diligent. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Diligent Breaches
Diligent Data Breach Summary
This page tracks the Diligent data breach history and cybersecurity incidents affecting Diligent (United States). BreachHistory currently indexes 2 publicly disclosed or catalogued incidents spanning 2022 through 2025, with approximately 65 thousand records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Diligent breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed, while 1 remain unverified claims pending independent verification.
Largest Diligent Data Breaches
The largest indexed incidents include the 2025 Diligent BoardDocs — misconfiguration exposed school-board materials (~64k fi… and the 2022 Diligent — cyber incident; ~1,184 individuals in Maine AG listing (SSN-class …. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Diligent or a regulator. Below is the list of large data breaches:
- 2025 2025 Diligent BoardDocs — misconfiguration exposed school-board materials (~64k files in press estimates) — about 64.0K records exposed · Catalogued incident
- 2022 2022 Diligent — cyber incident; ~1,184 individuals in Maine AG listing (SSN-class data) — about 1.2K records exposed · Unverified claim
What Information Was Exposed?
Depending on the incident, exposed data may include Social Security numbers and national IDs, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Diligent Data Breach 2026
At the time of this update, no Diligent data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Diligent data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Diligent breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.