PayoutsKing Targets Schlemmer Holding GmbH in Major Ransomware Attack

Ransomware

Summary

On July 14, 2025, the ransomware group PayoutsKing publicly claimed responsibility for an attack targeting
Schlemmer Holding GmbH (schlemmer.com), a Germany-based global technology company specializing in innovative solutions and products. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.


Incident Report

FieldDetails
TargetSchlemmer Holding GmbH
Domainschlemmer.com
CountryGermany
Attacking GroupPayoutsKing
Date ReportedJuly 14, 2025
Threat Actor Statement“The full leak will be published soon, unless a company representative contacts us via the channels provided.”

About Schlemmer Holding GmbH

Schlemmer Holding GmbH is a global technology company based in Germany, known for its innovative solutions in sectors like automotive, energy, and telecommunications. They specialize in the production of protective systems such as cable protection and production technologies.

About PayoutsKing

PayoutsKing is a notorious ransomware group known for targeting high-profile organizations and demanding significant ransoms by threatening to leak sensitive data.

Proactive Response to Ransomware Threats

Organizations must adopt proactive measures to combat ransomware threats. Regular dark web monitoring is critical in identifying potential breaches early. Using tools like the Email Breach Checker can help keep an eye on your company’s exposure to such threats.

Recommendations

  • Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
  • Conduct a full compromise assessment and incident response drill internally.
  • Verify backups and ensure they are offline and ransomware-resistant.
  • Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
  • Engage with cyber forensics and legal counsel before initiating contact with threat actors.

Check Your Exposure

Wondering if your organization or employees are impacted by recent breach activity?


Disclaimer

The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.

Keep reading