Reminger Data Breach

Reminger, a professional services organization based in Germany, has been listed as a victim on the Silent Ransom Group (SilentRansomGroup) extortion group’s dark web portal, published on August 13, 2026. The listing was identified through SOCRadar’s Dark Web Monitoring service. Reminger operates in the professional services sector, where client confidentiality and document security are central operational requirements. Silent Ransom Group — also tracked as Luna Moth — is a data extortion actor that does not deploy file-encrypting ransomware; it relies instead on data theft and leak-site pressure to coerce victims. In the 60 days prior to this listing, Silent Ransom Group has claimed 8 other victims across its leak portal. The group’s targeting has concentrated heavily in the Professional Services sector. Geographically, its victims are distributed across the United States and Germany. Other recent Silent Ransom Group listings that overlap with Reminger’s profile — professional services or legal sector organisations — include Riker Danzig LLP, Mayer Brown, and Moses & Singer. Reminger’s placement in the legal and advisory space is entirely consistent with Silent Ransom Group’s established focus on law firms and high-confidentiality service providers.

SOCRadar’s stealer-log telemetry returned a notable exposure for the reminger.com domain. Three records were identified, all featuring corporate email addresses (@reminger.com) captured against third-party consumer and SaaS platforms — consistent with workstation compromise rather than direct intrusion into firm infrastructure. No direct organisational system credentials (identity providers, mail, client-management platforms) were visible in this slice. For Silent Ransom Group and similar extortion-only actors, stealer-log credential exposure exists in parallel to the leak-site listing; whether it played a role in this specific incident cannot be inferred from this data. The dominant profile is Workstation compromise risk, with log dates spanning December 2025 through February 2026, indicating a long-tail persistence window. This actor class — whose playbook leans toward callback phishing (vishing) and social engineering rather than stealer-driven access — means the stealer-log correlation should be treated as background context rather than a confirmed initial-access pathway. The query covered a limited sample of stealer-log data, and it is important to note that the absence of evidence is not evidence that no compromise occurred. It is possible that credentials exist under alternate corporate domains, use personal email aliases, were used and rotated before indexing, or have not yet been indexed. Therefore, the observed telemetry does not rule out other compromise methods or confirm that the organization is unaffected by ongoing threats. Continued dark web and stealer-log monitoring, proactive credential hygiene checks, password rotation, multi-factor authentication review, monitoring of alternate corporate domains, and reviewing Microsoft 365, VPN, and remote-access activity are recommended to further secure the organization’s digital assets.

This report is intended for threat intelligence and security awareness purposes. SOCRadar does not host, redistribute or buy stolen data. All breach information reported here is collected from publicly accessible threat actor and ransomware portals. This content is intended to equip CTI teams with context around recent attacks. While we strive for accuracy, listings on ransomware leak and extortion sites cannot always be independently verified and may not reflect confirmed breaches. If you believe any data in this report is incorrect, please contact us.