Privacy Unpacked

Confirmed breach · 2 breaches on record

Cushman & Wakefield data breach

USUnited States · cushmanwakefield.com

Cushman & Wakefield (United States) notified the Vermont Attorney General, the Indiana Attorney General and the California Attorney General of a data breach on 7 August 2026. It affected 250,576 people. Exposed: Social Security numbers.

Breach reported 7 August 2026

Status
Confirmed breach
People affected
250,576 people
Reported
7 August 2026
Found to notice
100 days (found 29 April 2026, by the company’s letter)

What was exposed

  • Social Security numbers

How it happened

How
Hacking unauthorized access to its data by a third party, who we determined was able to exfiltrate certain files source

Before the notice: the ransomware gang Qilin named Cushman & Wakefield on its leak site on 4 May 2026, 95 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.

What changed since it was first reported

  1. Confirmed breach, 250,576 people (Indiana Attorney General)

What the letter says

Found
On April 29, 2026, Cushman & Wakefield became aware of unauthorized access to its data by a third party
Exposed
we believe that there may have been unauthorized access to your name and [Extra2]
Offered
to help protect your identity, we are offering complimentary access to Experian IdentityWorksSM for 24 months

Got a letter or email about this breach? Check it is real →

Read the letter (PDF), as filed with the California Attorney General.

Sources

Official notices are read by code from the regulator’s own register. More notices to Vermont, Indiana, California. · Corrections and changes

If Cushman & Wakefield had your data

  1. Look for Cushman & Wakefield’s own notice or letter: it should say what of yours was involved. Keep it.
  2. An ID number cannot be changed, so lock it: a credit freeze or fraud alert in the US, a credit warning (kreditadvarsel) on borger.dk in Denmark, Cifas protective registration in the UK.
  3. Expect scams that use your details: calls, texts or emails pretending to be Cushman & Wakefield, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

One email to confirm first. We use your address only for this alert, and one click deletes it.

More breaches in United States

  1. Quantum HealthUSUnited States · OH · 28 October 2026 Social Security numbersHealth insurance detailsHealth and medical information+1 273.1KTexas residents
  2. Indico Data SolutionsUSUnited States · MA · 28 October 2026 Social Security numbersDriver’s license numbersGovernment ID numbers+6 2.1KTexas residents
  3. Apollo Asset ManagementUSUnited States · NY · 28 October 2026 Social Security numbersDriver’s license numbersGovernment ID numbers+3 1.5KTexas residents
  4. DBA Tanya AlexanderUSUnited States · TX · 28 October 2026 NamesAddresses 417Texas residents
  5. DMW Retail Enterprises LLC dba Kult of Athena (KOA)USUnited States · IL · 28 October 2026 Financial account and card detailsNames 306Texas residents

Every breach in United States →

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.