WellPerf, an energy, utilities, and waste company, was publicly listed by the Qilin ransomware group on July 23, 2026. This listing indicates a ransomware attack where internal files were exfiltrated. The incident was first observed on RansomLook on this date.The public listing by the Qilin group does not provide specific details on the number of affected individuals or the exact categories of data compromised beyond "internal files." There is no official company statement, regulatory filing, or attorney general notification available to confirm further details.The full scope of the breach, including the specific types of data exposed and the number of individuals affected, is not yet publicly known. Further details may emerge as the situation develops, though official notifications are not available at this time.
Data Breach WatchDBWWellPerf Data Breach
▼ Key takeaways
- •Reports suggest a potential breach involving WellPerf.
- •Discovered on July 23, 2026.
- •Possible data exposed: Internal Files.
- •Confirmation level: Based on reports.
Detailed summary
Data possibly involved
- Internal Files
Company Response Timeline
Breach Occurred
Jul 23, 2026
Company Discovered
Unknown
Regulator Notified
Unknown
Consumers Notified
Unknown
Breach Verification Status
Reports Only
Initial dark web reports of potential breach
Company Confirmed
Company has acknowledged the breach
Regulator Confirmed
Confirmed by regulatory authorities
Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.
We're monitoring this situation for developments.
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Sources
- https://www.ransomlook.io/recent
- https://www.galaxywarden.com/blog/breach/wellperf-qilin-2026-07
- https://www.privacyguides.org/news/2026/07/03/data-breach-roundup-june-26-july-2-2026/
- https://www.brightdefense.com/resources/recent-data-breaches/
- https://research.checkpoint.com/2026/22nd-june-threat-intelligence-report/
- https://www.pkware.com/blog/2026-data-breaches
- https://www.privacyguides.org/news/2026/06/26/data-breach-roundup-june-19-25/
- https://www.forthepeople.com/blog/data-breach-brief-week-july-1st-2026/
- https://www.bitsight.com/underground/data-breaches
- https://www.hipaajournal.com/minnesota-epilepsy-group-campbell-university-city-of-middletown-data-breaches/
- https://www.board-cybersecurity.com/briefing/cyber-risk-briefing-7
- https://datcp.wi.gov/pages/programs_services/databreaches.aspx
- https://www.blackfog.com/the-state-of-ransomware-2026/
- https://www.cm-alliance.com/cybersecurity-blog/february-2026-recent-cyber-attacks-data-breaches-ransomware-attacks
- https://www.upguard.com/news/lastpass-data-breach-2026-06-24
- https://ransomware.databreachtoday.com/
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