Deloitte
ent_366be8f429b2a049a6e46afe
Disclosures
5
Leak Site · State AG · 2 jurisdictions
Multi-filing incidents
—
no multi-filing incident in sample
Max affected reported
70
as filed · State AG NH
Leak-site claims
3
unverified actor claims
Identity resolution
- Canonical name
- Deloitte
- Normalized
- deloitte— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300FJV7IV1ZHGAV28
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- deloitte.com
Disclosure history (5)newest first
- GLOBALLeak Siteas victim2026-10-09
www.deloitte.com https://www.zoominfo.com/c/deloitte/14812699 Revenue $74.5 Billion Deloitte is a global professional services organization providing audit and assurance, consulting, financial advisory, risk advisory, tax, legal and related services. Its capabilities also span cybersecurity, AI and data, enterprise technology, human capital and business process solutions. Deloitte serves organizations across a wide range of industries, helping clients manage complex challenges, transform operations, navigate risks, and drive sustainable growth. Data info - soon
- New Hampshire State AGas victim2026-04-02
Deloitte Services LP notified the New Hampshire Attorney General on April 2, 2026, of a social engineering incident affecting one NH resident. On February 13, 2026, an unauthorized actor impersonated an employee via phone to reset credentials and access the employee's personnel account, exposing the employee's name and Social Security number. Deloitte discovered the incident on February 18, 2026, reset credentials, and implemented process changes. The company offered one year of Experian IdentityWorks to the affected individual.
- GLOBALLeak Siteas victim2023-07-26
Deloitte France - Audit, Consulting, Financial Advisory, Risk Advisory, Juridique & Fiscal, Expertise comptable
- GLOBALLeak Siteas victim2021-09-06
deloitte.com
- New Hampshire State AGas victim2007-12-05
Deloitte & Touche USA LLP notified NH AG of a breach involving a stolen laptop from vendor IKON Office Solutions. The unencrypted laptop contained PII (names, SSNs, DOBs) of current/former partners and employees. Incident discovered Nov 21, 2007. 70 NH residents affected. Credit monitoring offered.
Subsidiary disclosures (2)filed by group companies
◈ These filings were made by or about subsidiaries of Deloitte — not by Deloitte itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- Massachusetts State AGvia Deloitte Tax LLP2019-05-07
Deloitte Tax LLP reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-05-07. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGvia Deloitte Tax LLP2012-04-23
Deloitte Tax LLP reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2012-04-23. 1 Massachusetts residents were affected. The report records the breach type as electronic.