Cyber Incident Victim: Valley View Hospital
Date:
Jan 2022
Location:
United States of America
Summary
Valley View Hospital experienced a phishing incident resulting in unauthorized access to four employee email accounts, potentially compromising personal information of approximately 21,000 individuals, including patients and staff. The breach prompted immediate account security measures and a forensic investigation, which confirmed the presence of sensitive data but found no evidence of information removal. Impacted parties were notified, and the hospital reinforced its commitment to privacy while expressing regret over the incident.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 2 motives | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On January 19, 2022, Valley View Hospital in Colorado discovered unauthorized access to four employee email accounts following a phishing scam. The hospital immediately secured the compromised accounts to prevent further intrusion and engaged a forensic security firm to investigate the incident’s scope and confirm the integrity of its email and computer systems. The investigation determined the unauthorized third party gained access through phishing tactics, though the exact timing of the initial breach was not publicly disclosed. By March 29, 2022, the hospital confirmed the accessed accounts contained personal information belonging to patients and employees, though they stated no evidence indicated data was exfiltrated or removed from their systems. The incident potentially impacted approximately 21,000 individuals, including both hospital staff and patients, making it a significant compromise of sensitive data.

Valley View began mailing notification letters to affected individuals on March 19, 2022—ten days before concluding the accounts contained personal information—and established a dedicated toll-free call center for inquiries. The hospital emphasized its commitment to privacy and security in public statements, acknowledging the incident’s severity while asserting systems were secured post-discovery. No specifics regarding the types of compromised data (e.g., medical records, Social Security numbers) were disclosed in available sources, nor were technical details about the phishing vectors or attacker identity revealed. The hospital’s substitute notice and press release framed the event as a contained intrusion with no evidence of data misuse, though the potential risk to 21,000 individuals underscored the operational and reputational consequences. Valley View did not report regulatory fines or legal actions stemming from the breach in the provided materials.
