Over the past few weeks, alumni and others affected by the Summer 2025 cyber incident were sent notifications via email and USPS from Kroll Communications, an external vendor, on behalf of Columbia University. The University continues to offer all affected individuals two years of complimentary credit monitoring and identity restoration services through Kroll, and has implemented enhanced security measures to help prevent future incidents.
Additional information can be found in this University update and in the Frequently Asked Questions. A dedicated call center remains available at (866) 819-7006, Monday through Friday, 9 a.m. to 6:30 p.m. Eastern Time, excluding major U.S. holidays, to answer questions.
