Karen Horney Clinic reported that a cybersecurity incident at its records vendor, Accumedic Computer Systems, affected the clinic’s clients. The source page, updated November 12, 2026, says an unauthorized party gained access around April 8, 2026, and may have accessed information between June 4 and June 8, 2026.
The clinic-specific notice does not confirm which data types were involved or how many people were affected. Both details remain undisclosed in the available information.
Further details may emerge as the vendor’s investigation proceeds, and notification information may be updated later.