OSIsoft, LLC

OSIsoft, LLC notified California AG on Nov 16, 2018 of a data breach, which occurred on Jul 26, 2018. Data exposed: Usernames / passwords, Email address, Postal address, Name.

Organization: OSIsoft, LLC
Source: California AG · source record
Date reported: Nov 16, 2018
Date(s) of breach: Thursday, March 23, 2017Saturday, May 6, 2017Tuesday, May 9, 2017Saturday, August 5, 2017Wednesday, April 18, 2018Wednesday, May 23, 2018Wednesday, July 18, 2018Thursday, July 26, 2018
Residents affected: Not published by this source
Data exposed: Usernames / passwords Email address Postal address Name
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 16:14 UTC

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

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