Government Data Breaches — Page 4

St. Joseph County experienced a claimed data breach in late March 2026, involving unauthorized access to an external fax service and exfiltration of sensitive data.

The Faulkner County Sheriff's Office experienced a reported cyberattack in April 2026, with the Qilin ransomware group claiming responsibility and threatening to leak sensitive data. No confirmed data breach or data leak has occurred.

The State Road and Tollway Authority data breach occurred on April 1, 2026, when the Qilin ransomware group claimed an attack. Details about affected individuals and data types remain unconfirmed.

The Town of Amherst experienced a data breach in February 2026, disclosed through a regulatory filing in April 2026.

The Town of Apex, North Carolina, experienced an external system breach in June 2024, affecting over 22,000 individuals.

The Oklahoma Tax Commission experienced a data breach between July 2024 and December 2025, affecting at least 14 Maine residents.

Meriden, CT, a government entity, reportedly experienced a data breach in March 2026, when the Incransom group listed it as a victim.

The City of Washington Court House experienced a data breach between May 17-18, 2025, which was discovered on March 16, 2026. This incident involved an external system breach affecting 4,982 individuals.

Reports describe a City of Los Angeles (LA) data breach in 2026, but the available web research does not support this claim.

The Town of Blacksburg government experienced a ransomware attack in March 2026, claimed by the Worldleaks group.

Fannin CAD experienced a data breach in March 2026, with the Exitium ransomware group claiming to have exfiltrated 400 GB of data.

The Chapter 13 Trustee Office of Rod Danielson experienced a data breach in December 2025, confirmed by regulatory filings.

A reported data breach in March 2026 alleged to have exposed senior Navy officers' identities, though no confirmed details are publicly available.

The Taylor County Property Appraiser Office experienced a data breach in March 2026, reportedly due to a ransomware attack by the NightSpire group.

The Taylor County Property Appraiser's Office reportedly experienced a data breach in March 2026, as claimed by the Nightspire ransomware group. No further details regarding the incident have been made public.

The City of Hart experienced a data breach in March 2026 due to a ransomware attack by the Genesis group, as reported by ransomware monitoring sites.

The City of Huntington, West Virginia, experienced a ransomware attack claimed by the Termite group, discovered on March 7, 2026.

North Central HIDTA, a federal government program, was claimed as a ransomware victim by the Dragonforce group on March 6, 2026, though details remain unconfirmed.

A data leak in January 2026 allegedly exposed the work-related personal details of approximately 4,500 Immigration and Customs Enforcement (ICE) and DHS personnel via the "ICE List" website.

The City of Hesperia, CA may have experienced a data breach around March 2026, according to a ransomware tracker site, but this has not been publicly confirmed.

Southold Town Senior Services and Southold Police Department experienced a reported data breach in March 2026, claimed by the Rhysida ransomware group.

A Rhysida ransomware attack reportedly impacted Southold Police and Senior Services in March 2026, according to a dark web posting. No official confirmation of this breach has been made public.

The City of Seal Beach and Seal Beach Police Department experienced a ransomware attack by the qilin threat group, discovered in March 2026.

Daricon.com (military US/CA/NATO) experienced a data breach in February 2026, reportedly involving 400 GB of sensitive data.