Latest / California / September 2016

Yahoo! Inc.

Yahoo! Inc. notified California AG on Sep 22, 2016 of a data breach. Data exposed: Financial / bank account, Usernames / passwords, Email address, Phone number.

Organization
Yahoo! Inc.
Source
California AG · source record
Date reported
Sep 22, 2016
Date(s) of breach
n/a
Residents affected
Not published by this source
Data exposed
Financial / bank account Usernames / passwords Email address Phone number
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 16:19 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Yahoo! Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Yahoo! Inc. California AG CA Dec 14, 2016 Not published Financial / bank accountUsernames / passwordsEmail addressPhone number
First seen by BreachTally at 16:19 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.