BreachCensus

1Life Healthcare, Inc.

United States of America

1Life Healthcare, Inc. is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register, the Washington State Attorney General breach-notification register and the Texas Attorney General breach-notification register with 1 confirmed incident (2 filings); the most recent notice was filed on July 6, 2026.

Data as of September 1, 2026.

Confirmed incident

Filed in MA, WA and TX — Hacking/IT Incident

The same incident was filed separately with 3 jurisdictions within a few days of each other (MA, WA and TX) — shown here as one incident.

Occurred
June 8, 2026
Disclosed
July 3, 2026
Records affected
141,075

Timeline

  1. July 3, 2026
    Reported to regulator Regulator

    WA AG breach notification: 16,884 Washington residents affected

    source
  2. July 6, 2026
    Reported to regulator Regulator

    MA AG breach notification: 5,410 Massachusetts residents affected

    source
  3. July 7, 2026
    Reported to regulator Regulator

    TX AG breach notification: 10,041 Texas residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

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

Massachusetts breach-notification register ↗

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 ↗

What a Texas notice means

Required under Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗