BreachCensus

Highmark Blue Cross Blue Shield (Welltok)

United States of America

Highmark Blue Cross Blue Shield (Welltok) is an organisation in Washington. It appears on the Washington State Attorney General breach-notification register with 1 confirmed incident; the most recent notice was filed on January 8, 2024.

Data as of September 1, 2026.

Sources

Confirmed incident

US-WA — Hacking/IT Incident

Occurred
May 30, 2023
Disclosed
January 8, 2024

Timeline

  1. January 8, 2024
    Reported to regulator Regulator

    WA AG breach notification: 504 Washington residents affected

    source
What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗

Related

Disclosed around the same time