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Listed on a ransomware leak site

Quality Data Service, Inc.

qds.biz

Quality Data Service, Inc. was listed on the BlackNevas leak site on May 21, 2025. Information as of Oct 19, 2026.

Country: United StatesIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
BlackNevas
First listed
May 21, 2025
Claims recorded
1

Leak-Site Claim.

BlackNevasConfirmed claim
Posted on the leak site
May 21, 2025
Collected by Brandefense
Aug 6, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Today, we’re opening the auction.Over the past several weeks, we’ve completed a full exfiltration from the infrastructure of Quality Data Service, Inc., Connecticut’s most “trusted” municipal software provider. The haul: approximately 300 GB of internal company data, including:SQL databases of client municipalities, tax departments, GIS records, and user credentialsGigabytes of PDFs, XLS files, DOC reports, many containing deeply sensitive financial, geographic, and personal data with contatsInternal emails, technical logs, software source code archives, vulnerability reports, and support…

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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.