QUIRSO GmbH

Areas of Expertise QUIRSO specializes in rapid cyber incident response, digital forensics, and proactive cyber defense for organizations that need experienced experts in critical situations. Our core strength lies in helping companies respond quickly, clearly, and effectively to cyberattacks — from initial triage and live forensics to containment, evidence preservation, crisis coordination, and the safe stabilization of business operations. As a focused DFIR boutique, we combine deep technical expertise with structured crisis management and clear communication. We support organizations facing ransomware incidents, targeted attacks, suspected compromises, and complex security breaches, providing practical guidance for both IT teams and executive decision-makers. Our expertise includes: Digital Forensics & Incident Response We investigate cyber incidents, identify attacker activity, preserve evidence, support containment, and help organizations regain control of affected environments. Rapid Incident Response & Cyber Crisis Management We provide fast, structured support during active cyber crises, combining technical analysis with clear decision-making, stakeholder communication, and operational guidance. 24/7 Incident Response Retainer Services Through our Rapid Incident Response Retainer, we offer 24/7 availability, defined response times, expert support, and access to the QUIRSO Response Center as a secure digital war room for cyber emergencies. Managed Deception and Response With QUIRSO Managed Deception and Response, we use targeted deception technology such as decoys and honeytokens to detect attackers early, reduce false positives, and trigger immediate response by experienced incident responders. Live Forensics & Threat Analysis We use live forensic techniques and threat intelligence to quickly assess active threats, understand attacker behavior, and support effective containment and remediation. Incident Response Readiness We help organizations prepare for cyber emergencies through readiness exercises, incident response planning, preparedness audits, business impact analysis, and realistic attack simulations. Compromise Assessments & Threat Hunting We identify current and historical attacker activity across IT and OT environments through deep forensic analysis, proactive threat hunting, and structured compromise assessments. Cyber Resilience for Organizations and Partners We support end customers, IT consultancies, system houses, and security providers as a specialized DFIR partner, helping them strengthen cyber resilience, reduce complexity, and respond professionally when every minute counts. QUIRSO stands for precision, trust, and speed in cyber defense. Our mission is to help organizations navigate cyber crises with confidence, minimize damage, restore operational stability, and build long-term resilience against modern cyber threats.