DisclosureLens
Social EngineeringProfessional ServicesProfessional ServicesPhishingIdentity (basic)Low

MARCUS & MILLICHAP COMPANY

bd_5dd1fb43c5af9f61 · schema v1 · pii pii-v2

Severity

Low

Discovered

Apr 10, 2026

Filed

May 14, 2026

To disclose

5 weeks

Affected

756state residents only

Linked

2 filings

Confidence

95%
Full breach record for MARCUS & MILLICHAP COMPANY

Marcus & Millichap, Inc., a business sector entity reported a phishing incident to the Washington Attorney General. The organization became aware of the incident on 2026-04-10 and filed notice on 2026-05-14. 756 Washington residents were affected. 34 days elapsed between awareness and notification. 3 days to identify the breach. 0 days to contain the breach.

Washington clock WA AG >30d5 weeks discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

discovery → filing · 5 weeks / 34 days

Apr 10, 2026

Discovered

May 14, 2026

Filed

vs. sector median

14 wks faster

This filing is one of 2 about the same incident.View merged incident
A leak claim by shinyhunters about this victim predates this filing by 33 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.