Delek US Holdings, Inc. data breach (2017–2026)

Identity resolution

Canonical name: DELEK US HOLDINGS, INC.
Normalized: delek us— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: 5493003O53JMENV1N385
SEC EDGAR CIK: 0001694426
Domain: None on record

Disclosure history (4)newest first

GLOBALLeak Siteas victim2026-08-19
Delek US is live. T1 unlocks in 12 hours, then 24 hours per remaining tier.
New Hampshire State AGas victim2017-07-26
Delek US Holdings, Inc. reported the theft of an employee's laptop from their vehicle on May 23, 2017. The laptop may have contained personal information including names, addresses, SSNs, and compensation data. Delek notified 7 New Hampshire residents and offered one year of identity monitoring services through Kroll. Law enforcement was notified.
Massachusetts State AGas victim2017-07-26
Delek US Holdings, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2017-07-26. 12 Massachusetts residents were affected. The report records the breach type as electronic.
Montana State AGas victim2017-07-26
Delek US Holdings, Inc. notified Montana residents that on May 23, 2017, an employee's Delek-issued laptop was stolen from their vehicle. The laptop may have contained names, addresses, SSNs, and compensation/benefits information. Delek reported the theft to law enforcement, engaged Kroll for one year of identity monitoring services, and is updating security policies.

Subsidiary disclosures (0)filed by group companies

◈ These filings were made by or about subsidiaries of DELEK US HOLDINGS, INC. — not by DELEK US HOLDINGS, INC. itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.

Tracked subsidiaries✦ Company Name

No disclosures on record for DELEK US HOLDINGS, INC.’s tracked subsidiaries yet.