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Breach occurred 2026-05-05Verifiedcushmanwakefield.com
What happened
In May 2026, the real estate services firm Cushman & Wakefield was the target of a "pay or leak" extortion campaign by the ShinyHunters group. Following the threat, the group publicly published data they alleged had been obtained from the firm, consisting mostly of C&W email addresses along with tens of thousands of external email addresses and corporate contact records. The exposed data was primarily business information, including names, job titles, company addresses and phone numbers.
Data exposed
Frequently asked questions
The Cushman & Wakefield data breach occurred on May 5, 2026. It was added to Have I Been Pwned's breach catalog on May 12, 2026.
310,431 accounts were affected by the Cushman & Wakefield data breach, according to Have I Been Pwned's records.
The Cushman & Wakefield breach exposed the following data types: Email addresses, Job titles, Names, Phone numbers, Physical addresses, Salutations.
Yes. Have I Been Pwned has verified the Cushman & Wakefield breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Cushman & Wakefield breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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