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Reactive Services

Your partner for every stage of a cyber crisis

Organizations today face a threat landscape where cybercriminals move faster than ever. Kroll’s Reactive Services Team brings together the world’s leading incident responders, threat intelligence analysts, digital forensics and discovery experts and breach notification specialists to help you respond decisively, no matter when or how an incident unfolds.

Kroll is the world’s largest incident response provider, trusted by global enterprises, insurers and regulated organizations to deliver clarity, defensibility, extending far beyond the point at which attacks have stopped.

Kroll’s elite security leaders deliver rapid responses for thousands of incidents per year and have the resources and expertise to support the entire incident lifecycle, including litigation demands and regulatory enforcement. Gain peace of mind in a crisis with Kroll.

The Threat Actor Lifecycle

Modern threat actors follow a predictable but increasingly accelerated lifecycle. Understanding this lifecycle, and disrupting it, is at the core of Kroll’s approach. Our integrated services create clarity, defensibility and momentum.

The Threat Actor Lifecycle

Why Kroll Wins in High‑Stakes Cyber Matters

Integrated Response

Kroll’s multidisciplinary teams form one unified partner, accelerating containment, reducing uncertainty and strengthening your legal and regulatory posture.

Readiness at Every Stage

Decades of frontline experience, before, during and after incidents, ensure rapid, informed action in the moments that matter most.

Faster Clarity Across Risk

Integrated visibility across security, legal, regulatory and operational exposure.

Data‑Driven Decision Making

Forensics and analytics inform every step, enabling defensible, executive‑ready decisions.

Our End-to-End Incident Response Services

Kroll is here to support you at every stage of a cyber crisis. Our core capabilities include:

  • 24x7 Incident Response

    Whether your incident results from a malicious hacker or accidental exposure by an employee, Kroll can help. Our global network of certified security and digital forensic experts can deploy remote solutions quickly and/or be onsite within hours to help you contain the situation and determine next steps.
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  • Digital Forensics

    Kroll’s computer forensics experts help ensure no digital evidence is overlooked and assist at any stage of a digital forensics investigation or litigation, regardless of the number or location of data sources.
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  • Cyber Threat Intelligence

    Utilizing frontline intelligence from the thousands of investigations we conduct every year, our team delivers visibility against emerging threats, insights into digital exposure, deep and dark web monitoring and proactive digital risk protection.
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  • Complex Digital Events

    Leveraging our deep relationships with some of the world’s largest and most prominent law firms, Kroll provides bespoke investigative services to legal partners and their clients, helping tackle some of the largest and most complex investigations across the globe.
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  • Global eDiscovery Solutions

    Kroll's eDiscovery specialists can provide support throughout the entire eDiscovery lifecycle for a wide range of matters, including high-stakes litigation, internal investigations, government and regulatory inquiries and cases spanning across multiple jurisdictions.

 

  • Incident Response Tabletop Exercises

    Kroll follows a seven-step process refined through experience leading hundreds of cyber tabletop exercises (TTX) for client organizations across industries, sizes and levels of complexity. Participating in a Kroll TTX helps your team clarify and rehearse their roles and develop greater confidence to perform effectively during an incident.
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  • Incident Recovery and Remediation

    Expedite system recovery and minimize business disruption, with services including device and server reimaging, active directory rebuilding, network segmentation, hardware upgrades or replacements, patch management and network hardening.
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  • Breach Notification Services

    Kroll has decades of experience in helping organizations rapidly respond to multijurisdictional breach notification requirements. We help organizations provide the right information to the right people at the right time, with integrated call center, credit and identity monitoring services available when required.
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  • Cyber Litigation Support

    If you need to respond to an investigatory matter, forensic discovery demand or information security incident, Kroll’s forensic engineers can help you win cases and mitigate losses. Many of our experts have considerable expert testimony experience in presenting findings to judges, juries and arbitrators, with many having served as special masters at the court’s appointment.
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  • Cybersecurity Advisory Services

    After recovery from a breach, Kroll continues to support organizations. From custom risk assessments to AI governance advisory, we help organizations strengthen their long-term resilience. 

Stay Ahead with Kroll

Data Collection and Preservation

Improve investigations and reduce your potential for litigation and fines with the strict chain-of-custody protocol our experts follow at every stage of the data collection process.

Computer Forensics

Kroll's computer forensics experts ensure that no digital evidence is overlooked and assist at any stage of an investigation or litigation, regardless of the number or location of data sources.

24x7 Incident Response

Kroll is the largest global IR provider with experienced responders who can handle the entire security incident lifecycle.

Office 365 Security, Forensics and Incident Response

Digital forensic experts investigate hundreds of Office 365 incidents per year and help strengthen your security.

Malware Analysis and Reverse Engineering

Kroll’s Malware Analysis and Reverse Engineering team draws from decades of private and public-sector experience, across all industries, to deliver actionable findings through in-depth technical analysis of benign and malicious code.

Malware and Advanced Persistent Threat Detection

Our expertise allows us to identify and analyze the scope and intent of advanced persistent threats to launch a targeted and effective response.

Business Email Compromise (BEC) Response and Investigation

With decades of experience investigating BEC scams across a variety of platforms and proprietary forensic tools, Kroll is your ultimate BEC response partner.

Global eDiscovery Services

Award winning, Forrester-recognized eDiscovery specialist trusted by clients year after year with experienced professionals who provide support throughout the entire eDiscovery lifecycle.

Cyber Litigation Support

Whether responding to an investigatory matter, forensic discovery demand, or information security incident, Kroll’s forensic engineers have extensive experience providing litigation support and global eDiscovery services to help clients win cases and mitigate losses.

Complex Digital Events

Bespoke services for complex incident response, regulatory investigations, litigation support, board-level engagements and national security matters.

CrowdStrike Partnership

Kroll’s global advisory, testing and incident response expertise, combined with CrowdStrike’s attacker speed technology, gives organizations the intelligence and operational capability to reduce risk, cost and recovery time.

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