BreachCensus

Abbott Laboratories

PharmaUnited States of America

Abbott Laboratories is a pharma organisation in California. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 3 confirmed incidents (4 filings); the most recent notice was filed on February 5, 2019.

Headquarters
North Chicago, United States
Employees
73,000 (as of 2015)
ISIN
US0028241000
Wikidata
Q306764

Data as of September 6, 2026.

Confirmed incident

Filed in CA and MA

The same incident was filed separately with 2 jurisdictions within a few days of each other (CA and MA) — shown here as one incident.

Occurred
January 19, 2019
Disclosed
February 5, 2019

Timeline

  1. February 5, 2019
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  2. February 5, 2019
    Reported to regulator Regulator

    MA AG breach notification: 400 Massachusetts residents affected

    source

Litigation

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

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

What a Massachusetts notice means

Governed by 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 ↗

Confirmed incident

US-CA

Occurred
December 1, 2014
Disclosed
April 17, 2015

Timeline

  1. April 17, 2015
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
Unverified claim

US — Ransomware Attack

This is an unverified claim — it has allegedly happened to this organisation, as posted by a source below, but has not been confirmed by a regulator, a court filing or the organisation’s own disclosure.

Timeline

  1. November 21, 2025
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source