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# Data Breach Roundup (Dec 19 – Dec 25, 2025)
- URL: https://www.privacyguides.org/news/2025/12/29/data-breach-roundup-dec-19-dec-25-2025/
- Published: 2025-12-29T17:28:34.000Z
- Updated: 2025-12-29T17:28:34.000Z
- Description: The Aflac breach affected 22.6 million customers. And this was a slow week.
- Author: Nate Bartram
- Tags: News Briefs, Data Breaches

Welcome to Data Breach Roundups, our new weekly series where we highlight notable data breaches we encounter. They're more common than you might think! If you want this weekly digest delivered to your inbox in the future, edit your newsletter settings to subscribe to the new 'Data Breach Roundups' mailing list.

[Edit Newsletter Subscriptions ](https://www.privacyguides.org/#/portal/account/newsletters) 

### University of Phoenix data breach impacts nearly 3.5 million individuals

Yet another breach resulting from the Oracle E-Business Suite, the data belonged staff, suppliers, and current and former students. The article didn't say exactly what data was compromised.

[University of Phoenix data breach impacts nearly 3.5 million individualsThe Clop ransomware gang has stolen the data of nearly 3.5 million University of Phoenix (UoPX) students, staff, and suppliers after breaching the university’s network in August.![](https://www.privacyguides.org/content/images/icon/bleeping-15.ico)BleepingComputerSergiu Gatlan![](https://www.privacyguides.org/content/images/thumbnail/University-of_Phoenix.jpg)](https://www.bleepingcomputer.com/news/security/university-of-phoenix-data-breach-impacts-nearly-35-million-individuals/)

### Nissan says thousands of customers exposed in Red Hat breach

This took place in September and impacted 21,000 customers in Japan. The data included full names, physical addresses, phone numbers, email addresses, and "customer data used in sales operations."

[Nissan says thousands of customers exposed in Red Hat breachNissan Motor Co. Ltd. (Nissan) has confirmed that information of thousands of its customers has been compromised after the data breach at Red Hat in September.![](https://www.privacyguides.org/content/images/icon/bleeping-14.ico)BleepingComputerBill Toulas![](https://www.privacyguides.org/content/images/thumbnail/Nissan-1.jpg)](https://www.bleepingcomputer.com/news/security/nissan-says-thousands-of-customers-exposed-in-red-hat-breach/)

### Baker University says 2024 data breach impacts 53,000 people

Baker is a private university based out of Kansas with about 2,300 students and faculty. The information stolen varies from person to person, but includes name, date of birth, Driver's license number, financial account information, health insurance information, medical information, passport information, Social Security number, student identification number, and tax identification number.

The fact that breaches like this can go unreported for so long without consequence is a reminder to be proactive with things like [credit freezes](https://thenewoil.org/en/guides/most-important/credit/).

[Baker University says 2024 data breach impacts 53,000 peopleBaker University has disclosed a data breach after attackers gained access to its network one year ago and stole the personal, health, and financial information of over 53,000 individuals.![](https://www.privacyguides.org/content/images/icon/bleeping-13.ico)BleepingComputerSergiu Gatlan![](https://www.privacyguides.org/content/images/thumbnail/Baker-University.jpg)](https://www.bleepingcomputer.com/news/security/baker-university-data-breach-impacts-over-53-000-individuals/)

### US insurance giant Aflac says hackers stole personal and health data of 22.6 million people

This is an update to a breach that occurred in June, now providing a number of how many people were impacted. Data included names, dates of birth, home addresses, government-issued ID numbers (such as passports and state ID cards) and driver’s license numbers, and Social Security numbers, as well as medical and health insurance information. The company claims they have about 50 million customers, so this would be nearly half of them.

[US insurance giant Aflac says hackers stole personal and health data of 22.6 million people | TechCrunchAflac, one of the largest insurance companies in the U.S., confirmed hackers stole reams of personal data, including Social Security numbers, identity documents, and health information.![](https://www.privacyguides.org/content/images/icon/cropped-cropped-favicon-gradient-18.png)TechCrunchLorenzo Franceschi-Bicchierai![](https://www.privacyguides.org/content/images/thumbnail/GettyImages-466757609.jpg)](https://techcrunch.com/2025/12/23/us-insurance-giant-aflac-says-hackers-stole-personal-and-health-data-of-22-6-million-people/)