Arthur J. Gallagher & Co. data breach

Arthur J. Gallagher & Co. appears in 20 breach notices filed with Delaware DOJ, Montana DOJ, SC Consumer Affairs, Washington AG, Oregon DOJ and California AG, most recently reported on August 19, 2021.

Also listed as: Arthur J. Gallagher & Co. (Supplement 7 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 6 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 5 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 4 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 3 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 2 – additional residents affected); Arthur J. Gallagher & Co. (Supplement 1 – Date Correction)

Breach notices filed with regulators

Each row is a notice as published by the agency. For state lists, the number affected counts only that state's residents; HHS lists the total reported. SEC rows are Form 8-K Item 1.05 filings, which usually don't give a count. A notice does not mean a settlement exists, and a settlement may cover a different incident than a given notice.

Is there a settlement?

We don't track an open class-action settlement for Arthur J. Gallagher & Co. right now. Settlements usually come months or years after a breach. Get an email when new settlements are announced.

What you can do now

• Read the notice letter if you got one. It says what data was involved and may offer free credit monitoring with an enrollment deadline.
• Consider a free credit freeze at Equifax, Experian and TransUnion, especially if your Social Security number was involved.
• Change reused passwords and turn on two-factor authentication.
• Watch your bank, card and insurance statements for activity you don't recognize.