Columbia University Data Breach

Siri & Glimstad Investigates Columbia University Data Breach

What Happened?
On June 24, 2025, Columbia University suffered a politically motivated cyberattack that resulted in a campus-wide IT outage. Hackers exfiltrated approximately 460 GB of data by secretly maintaining access for nearly two months beforehand.  The stolen data included Social Security numbers, student ID numbers, admissions records, financial aid information, academic histories, addresses, and more—affecting students, applicants, alumni, and staff from approximately 2019 to 2024, and potentially beyond.

About Columbia University
Columbia University is a renowned Ivy League institution located in New York City, serving a diverse academic community across undergraduate, graduate, and professional programs.

Was Your Information Affected?
If you are—or were—affiliated with Columbia as a student, applicant, alumnus, or staff member, your sensitive personal and educational data may have been compromised, including identifiers like your Social Security number, academic records, financial aid details, and contact information.

Are You Entitled to Compensation?
Siri & Glimstad LLP is reviewing whether Columbia failed to implement adequate security and is investigating potential legal claims under applicable privacy statutes.

What Should You Do Now?
If you received a data breach letter from Columbia University, contact Siri & Glimstad, a nationally recognized and trusted data privacy law firm that has recovered tens of millions of dollars for consumers. The firm’s team of over 80 attorneys and other legal professionals has a winning track record in the data privacy space, holding companies accountable for lax data privacy practices, and securing compensation for millions of consumers.

We work on a contingency basis, meaning we do not receive any payment unless we win for YOU!

Remember, data breaches are serious matters that can result in long-term harm. Hackers and other third-party actors may use stolen information to commit financial fraud or other forms of identity theft. It is crucial that you do not delay. Contact us today.

We work on a contingency basis — which means you pay nothing unless we recover compensation for you.

Data breaches are serious. Stolen information can be used for years after the initial theft, leading to financial fraud and long-term identity theft risks. Protect your rights now.

Contact Information:
Siri & Glimstad LLP / Join Class Actions
National Representation | Offices in NY, NC, MI, CA, FL, AZ, & D.C.
Main: 888-747-4529 (Ask for Jen Malainy)
Text: 440-381-0338
Email: databreach@sirillp.com
www.sirillp.com | www.joinclassactions.com

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