Overview of Recent Major Data Breaches in the U.S.

Sentry Advisors, LLC, a regulatory risk consulting firm, reported a data breach affecting individuals in Massachusetts on December 18, 2025. The breach exposed sensitive personal information, including names, addresses, phone numbers, and Social Security numbers. The company did not disclose the specifics of how the breach occurred or whether it was due to unauthorized access or a cyberattack. In response, Sentry Advisors is offering affected individuals complimentary access to credit monitoring and identity theft protection services for 24 months through Cyberscout, a TransUnion company. Individuals are advised to monitor their credit reports and financial accounts for unusual activity and consider placing fraud alerts with major credit bureaus.

Sentry Advisors Data Breach Exposes Names & SSNsWood Personnel Services Data Breach Exposes Social Security NumbersCredit Data Breach Exposes Personal Info of 5.8 Million ConsumersMassive data breach exposes 10.5 million Americans’ infoConifer Data Breach Exposes Sensitive Pediatric Patient Data

Conduent, a business services company, confirmed one of the largest healthcare data breaches in U.S. history, affecting over 10.5 million individuals. The breach, which ranks as the eighth-largest healthcare data breach recorded, occurred when hackers accessed the company's network from October 21, 2024, to January 13, 2025, before being detected. The exposed data includes full names, Social Security numbers, dates of birth, medical treatment information, and insurance claims data. Major organizations impacted include Blue Cross Blue Shield of Montana and Texas, as well as government agencies like the Wisconsin Department of Children and Families. Following the breach, Conduent faces at least ten federal class action lawsuits alleging negligence and failure to implement adequate cybersecurity measures. The company anticipates costs of approximately $25 million related to the breach, with ongoing investigations by regulatory bodies.

Massive data breach exposes 10.5 million Americans’ infoConifer Data Breach Exposes Sensitive Pediatric Patient DataWood Personnel Services Data Breach Exposes Social Security Numbers

Wood Personnel Services, a Nashville-based staffing firm, disclosed a data breach on September 12, 2025, which exposed sensitive personal information, including Social Security numbers. The breach was detected after unusual activity was noted on the company's network. The investigation revealed that unauthorized access occurred for a brief period, affecting eight residents in Massachusetts and also reported to the Vermont Attorney General. The company is offering complimentary credit monitoring and identity protection services through IDX to those affected.

Wood Personnel Services Data Breach Exposes Social Security NumbersSentry Advisors Data Breach Exposes Names & SSNsMassive data breach exposes 10.5 million Americans’ infoConifer Data Breach Exposes Sensitive Pediatric Patient Data

Conifer Value-Based Care, a division of Conifer Health Solutions, reported a breach on August 28, 2025, involving unauthorized access to an employee's Microsoft Office 365-hosted email account. The breach exposed personally identifiable information and protected health information of pediatric patients and their families. Conifer took immediate action to contain the threat and enhance security measures. Notifications to affected individuals were completed by December 5, 2025.

Conifer Data Breach Exposes Sensitive Pediatric Patient DataMassive data breach exposes 10.5 million Americans’ infoWood Personnel Services Data Breach Exposes Social Security NumbersSentry Advisors Data Breach Exposes Names & SSNs

A significant breach at 700Credit, a provider of credit reporting services, exposed the personal information of over 5.8 million consumers. The breach occurred between October 25 and October 27, 2024, due to a compromise at one of its integration partners. The stolen data includes names, addresses, dates of birth, and Social Security numbers. In response, 700Credit is offering 12 months of free credit monitoring and identity restoration services through TransUnion’s Cyberscout, with notification letters expected to be sent starting December 22, 2025.

Credit Data Breach Exposes Personal Info of 5.8 Million ConsumersSentry Advisors Data Breach Exposes Names & SSNsWood Personnel Services Data Breach Exposes Social Security NumbersMassive data breach exposes 10.5 million Americans’ info

These incidents highlight the ongoing vulnerability of personal data in an increasingly digital landscape. The exposure of sensitive information poses significant risks of identity theft and fraud, prompting affected individuals to take proactive measures to protect their financial identities. The breaches also raise concerns about the adequacy of cybersecurity practices within organizations handling sensitive data.

Massive data breach exposes 10.5 million Americans’ info