Pearl Institute for Clinical Research LLC Listed by nightspire Ransomware Group: Ransomware Claim — What’s Alleged & What To Do
Pearl Institute for Clinical Research LLC was listed by the nightspire ransomware group on 20 February 2026, with internal files reported as exfiltrated in the attack. An undisclosed number of individuals may have been affected; anyone connected to the organisation should check official notifications and consider protective steps.
Breaking down the breach
The only confirmed public detail is the February 20, 2026 listing. No statement from Pearl Institute for Clinical Research LLC has been issued, and no independent verification of the incident has been published. The scale of the event, including the volume of data or the method of access, is not disclosed. The group’s listing states that internal files were exfiltrated during a ransomware attack, but further technical details have not been released.
The group behind it: nightspire
Nightspire is a ransomware operation that has appeared in public reporting since at least 2024. Like other groups in this category, it typically gains access through compromised remote services or stolen credentials, then exfiltrates data before deploying encryption. The group maintains a leak site where it lists organizations it claims to have targeted. In this case the listing of Pearl Institute for Clinical Research LLC constitutes an unverified claim by the group; no independent confirmation of the claim has been reported.
Who is Pearl Institute for Clinical Research LLC?
Pearl Institute for Clinical Research LLC conducts clinical studies, often under contract with pharmaceutical sponsors or academic institutions. Organizations of this type routinely collect and store participant medical histories, laboratory results, consent forms, and proprietary research protocols. A breach at such an entity can expose both personal health information and commercially sensitive study data, though the precise holdings in this instance remain unconfirmed.
What data was at risk
The listing refers only to “internal files exfiltrated in ransomware attack.” No inventory of file types, record counts, or specific data categories has been published. Organizations engaged in clinical research commonly hold patient identifiers, medical records, and research documentation, but it is not possible to state that any of these categories were present here. The group has indicated that data is not available for now.
What's at stake
Individuals whose information may have been involved face the standard risks associated with exposure of health or research records: potential misuse for identity fraud or targeted scams, and uncertainty about how their data might be used if released. For the organization, the incident creates regulatory, legal, and operational questions that will require investigation regardless of whether data is ultimately published. Both outcomes remain undetermined at present.
Were you affected?
Individuals who participated in studies or otherwise interacted with Pearl Institute for Clinical Research LLC can begin by contacting the organization directly for any official notifications. Running a free exposure scan of an email address against known breach data sets can indicate whether the address has appeared in previously published collections, though such scans cannot confirm involvement in this specific event.
AICompiled with AI assistance from public sources and published under our editorial standards.
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Publicly posted by nightspire — unverified claim, pending independent verification
Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.
Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.