Incident tracker

Recent cyber attacks and data breaches

DisclosedCompanyWhat happenedTypeRecordsSource
2026-06-26Yellow Corporation and its affiliated debtors and debtors-in-possession under their jointly administered chapter 11 cases (Case No. 23-11069 (Bankr. D. Del. (CTG))Yellow Corporation and its affiliated debtors and debtors-in-possession under their jointly administered chapter 11 cases (Case No. 23-11069 (Bankr. D. Del. (CTG)): a data breach

Yellow Corporation and its affiliated debtors and debtors-in-possession under their jointly administered chapter 11 cases (Case No. 23-11069 (Bankr. D. Del. (CTG)) notified the California Attorney General of a data breach on June 26, 2026, with the breach dated March 27, 2025. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-26Blank Rome LLPBlank Rome LLP: a data breach

Blank Rome LLP notified the California Attorney General of a data breach on June 26, 2026, with the breach dated May 21, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-26MCBS, LLCMCBS, LLC: a data breach

MCBS, LLC notified the California Attorney General of a data breach on June 26, 2026, with the breach dated September 22, 2025. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-26Nissan North America Inc.Nissan North America Inc.: a data breach

Nissan North America Inc. notified the California Attorney General of a data breach on June 26, 2026, with the breach dated May 27, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-26AssetMark, Inc.AssetMark, Inc.: a data breach

AssetMark, Inc. notified the California Attorney General of a data breach on June 26, 2026, with the breach dated May 15, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-26Mercor.io (LiteLLM)Mercor.io (LiteLLM): a data breach

Mercor.io (LiteLLM) notified the Washington State Attorney General on June 26, 2026 of a data breach that occurred on March 24, 2026, affecting 633 Washington residents. Information involved: Social Security Number, Driver's License or Washington ID Card Number, Passport Number.

Data breach
Not disclosedWashington State Attorney General
2026-06-26Yellow Corporation and its affiliated debtorsYellow Corporation and its affiliated debtors: a data breach

Yellow Corporation and its affiliated debtors notified the Washington State Attorney General on June 26, 2026 of a data breach that occurred on March 27, 2025. Information involved: Name, Social Security Number, Driver's License or Washington ID Card Number, Financial & Banking Information, Full Date of Birth, Passport Number, Health Insurance Policy or ID Number, Medical Information.

Data breach
Not disclosedWashington State Attorney General
2026-06-26Tower Administrative Services, IncTower Administrative Services, Inc: a data breach

Tower Administrative Services, Inc notified the Washington State Attorney General on June 26, 2026 of a data breach that occurred on February 3, 2026, affecting 868 Washington residents. Information involved: Name, Social Security Number, Financial & Banking Information.

Data breach
Not disclosedCalifornia Attorney General

+1 more

2026-06-25Mercor.io CorporationMercor.io Corporation: a data breach

Mercor.io Corporation notified the California Attorney General of a data breach on June 25, 2026, with the breach dated March 24, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-06-25Hausfeld LLPHausfeld LLP: a data breach

Hausfeld LLP notified the California Attorney General of a data breach on June 25, 2026, with the breach dated January 23, 2025. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General

About this tracker

435
Incidents
295
Ransomware gang claims
730
Last 30 days
395
Companies tracked
2,742,501,669
Records disclosed