CheckFree Corporation Data Breach History
WebsiteCheckFree was acquired by Fiserv; provides electronic billing and payment services.
This page shows all data breaches of CheckFree Corporation. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All CheckFree Corporation Breaches
CheckFree Corporation Data Breach Summary
This page tracks the CheckFree Corporation data breach history and cybersecurity incidents affecting CheckFree Corporation. BreachHistory currently indexes 2 publicly disclosed or catalogued incidents spanning 2009 through 2010, with approximately 10.0 million 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 CheckFree Corporation 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 CheckFree Corporation Data Breaches
The largest indexed incidents include the 2010 — CheckFree Corporation: Customers who went to CheckFree's Web sites between… and the 2009 — CheckFree Corporation: Provider of online banking, online bill payment and…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by CheckFree Corporation or a regulator. Below is the list of large data breaches:
- 2010 2010 — CheckFree Corporation: Customers who went to CheckFree's Web sites between… — about 5.0M records exposed · Catalogued incident
- 2009 2009 — CheckFree Corporation: Provider of online banking, online bill payment and… — about 5.0M 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.
CheckFree Corporation Data Breach 2026
At the time of this update, no CheckFree Corporation 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 CheckFree Corporation 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 CheckFree Corporation 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.