KLD Labs, a US-based technology company, was publicly listed on the Qilin ransomware group’s leak site on July 18, 2026, indicating a data breach. The Qilin group claims to have exfiltrated internal files from the company during a ransomware intrusion. KLD Labs has not issued an official statement, customer notification, or regulatory filing regarding the incident.
The ransomware group's listing did not specify the volume of records or the exact types of files compromised. While internal files often contain sensitive information such as employee records, vendor contracts, customer invoices, names, addresses, Social Security Numbers, dates of birth, and financial details, no specific data types have been confirmed by KLD Labs. The number of affected individuals and states impacted remains unknown.
As of July 19, 2026, the breach is in its early disclosure phase, with critical details awaiting official company confirmation. Information is currently based solely on the ransomware leak site listing, which is an unverified claim by the attackers. Details regarding class actions, MDL status, or revenue will emerge only if KLD Labs issues an official disclosure or if regulators or investigators take action.