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companyOpenAI

confirmedmediumIncidentFirst reported Oct 2, 2026 · Updated Oct 6, 2026

OpenAI Parts Ways With Three Safety Researchers Over Sensitive Information Mishandling

In the News5

Oct 6, 2026 · Google NewsOpenAI Says It Changed Systems After Australia Hack - The New York Times
Oct 2, 2026 · Google NewsVideo OpenAI discloses another agent hack on Australian government website - ABC News - Breaking News, Latest News and Videos
Oct 2, 2026 · Google NewsOpenAI Agents Hack U.S. and Australian Websites, and Maybe Canadian Site - Security Boulevard
Oct 2, 2026 · Google NewsAustralian state reports second OpenAI website breach - news.cgtn.com
Oct 2, 2026 · The Hacker NewsOpenAI Parts Ways With Three Safety Researchers Over Sensitive Information Mishandling

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companyKern County Superintendent of Schools

confirmedmediumData breachFirst reported Oct 14, 2026 · Disclosed Oct 14, 2026

Kern County Superintendent of Schools: data breach reported to California AG

A data breach notification for Kern County Superintendent of Schools was reported to the California Attorney General on 10/14/2026. The breach is dated 08/14/2026.

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companyPark Dental Partners

confirmedmediumData breachFirst reported Oct 13, 2026 · Disclosed Oct 13, 2026

Park Dental Partners: 8-K reports unauthorized network access and data acquisition

Park Dental Partners disclosed in an SEC 8-K Item 1.05 filing that it identified unauthorized access to its computer network on August 28, 2026. The investigation determined data was subject to unauthorized acquisition, and the company identified impacted patients whose protected health information was involved. It engaged external forensic experts and notified law enforcement.

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companyPorter and Company

confirmedmediumData breachFirst reported Oct 13, 2026 · Disclosed Oct 13, 2026

Porter and Company: data breach reported to California Attorney General

Porter and Company submitted a data breach notification to the California Attorney General on 10/13/2026. The breach is dated 08/30/2026.

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companyJM Bullion

confirmedmediumData breachFirst reported Oct 13, 2026 · Disclosed Oct 13, 2026

JM Bullion: data breach reported to California Attorney General

JM Bullion, Inc. filed a data breach notification with the California Attorney General on 10/13/2026. The breach is dated 04/12/2026.

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companyAmerican Board of Preventive Medicine

confirmedmediumData breachFirst reported Oct 13, 2026 · Disclosed Oct 13, 2026

American Board of Preventive Medicine: data breach reported to California AG

A data breach notification for the American Board of Preventive Medicine was filed with the California Attorney General on 10/13/2026. The breach is dated 03/08/2026.

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companyTulare Joint Union High School District

confirmedmediumData breachFirst reported Oct 13, 2026 · Disclosed Oct 13, 2026

Tulare Joint Union High School District: data breach reported to California AG

Tulare Joint Union High School District filed a data breach notification with the California Attorney General on 10/13/2026. No further details on scope or cause were stated.

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