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Listed on a ransomware leak site

CyrusOne, LLC.

cyrusone.com

CyrusOne, LLC. was listed on the ShinyHunters leak site on Aug 23, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
ShinyHunters
First listed
Aug 23, 2026
Claims recorded
1

Leak-Site Claim.

ShinyHuntersConfirmed claim
Posted on the leak site
Aug 23, 2026
Collected by Brandefense
Aug 23, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Update 23 Aug: We are removing the clients name off this post. They are refusing to pay a $13 million demand. They have 24 hours left to engage with us. We hold 12.9 million Salesforce records along with: Sharepoint: (369.6 GB Compressed / 645 GB Uncompressed) 288,729 Files, 60,513 Folders - More than 182,000 rows of Customer data Extracted from the "Contacts" Salesforce Object. - Over 8,300 Rows of Employee PII (Full Name, Email, Job Title, Phone Number, ect.) - Thousands of executed contracts, MSAs, NDAs, amendments, leases, and SOWs - Extensive physical key inventory logs, verification…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.