Deltek Data Breach History
WebsiteProject-based businesses transform the world we live in. Deltek innovates and delivers software and solutions that power them to achieve their purpose. Our industry-specific software and information solutions maximize our customers' performance at every stage of the project lifecycle by enabling superior levels of project intelligence, management and collaboration. Deltek is the recognized global standard for project-based businesses across government contracting and professional services indu
This page shows all data breaches of Deltek. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Deltek Breaches
- 2014 2014 — Deltek: name, billing address, phone number, email address,… Unknown records Share
- 2013 2013 — Deltek: Software developer Deltek Inc, 80K records 80.0K records Share
Deltek Data Breach Summary
This page tracks the Deltek data breach history and cybersecurity incidents affecting Deltek (United States). BreachHistory currently indexes 2 publicly disclosed or catalogued incidents spanning 2013 through 2014, with approximately 80 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 Deltek 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.
Largest Deltek Data Breaches
The largest indexed incidents include the 2013 — Deltek: Software developer Deltek Inc, 80K records. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Deltek or a regulator. Below is the list of large data breaches:
- 2013 2013 — Deltek: Software developer Deltek Inc, 80K records — about 80.0K records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Deltek Data Breach 2026
At the time of this update, no Deltek 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 Deltek 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 Deltek 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.