Priester Holdings LLC data breach (2025)

Identity resolution

Canonical name: Priester Holdings LLC
Normalized: priester holdings— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record

Disclosure history (2)newest first

New Hampshire State AGas victim2025-11-06
Priester Holdings, LLC notified the New Hampshire Attorney General of unauthorized network access occurring on September 6, 2025. The breach affected approximately two New Hampshire residents, exposing names and Social Security numbers. The company contained the network, engaged forensic investigators, and provided one year of complimentary credit monitoring to affected individuals.
Indiana State AGas victim2025-11-03
Priester Holdings LLC reported a data breach to the Indiana Attorney General. The breach occurred on 2025-09-06 and was reported on 2025-11-03. 5 Indiana residents were affected. 345 individuals affected in total.

Subsidiary disclosures (1)filed by group companies

◈ These filings were made by or about subsidiaries of Priester Holdings LLC — not by Priester Holdings LLC itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.

Tracked subsidiaries✦ Priester Aviation

GLOBALLeak Sitevia Priester Aviation2025-06-27
Priester Aviation is a leading provider of aircraft management an d private jet charter services, based in Chicago, IL, and operati ng with nearly 200 years of combined experience in the industry. We are going to upload 124gb of corporate data. HUUUUUGE amount o f employees (and their relatives) personal documents (passports, DLs and other docs with complete person information, medical test and other medical docs), crew personal documents, financials inf ormation, a bit of customer information, aircraft maintenance inf ormation, confidential contracts and agreements, numerous NDAs, e tc.