Top 10 Best Incident Response Companies in 2025

1. Mandiant

Why We Picked It:

Mandiant’s reputation for handling the world’s most complex and high-stakes breaches makes them a top choice for data breach incidents.

Their deep, human-led threat intelligence, combined with extensive experience in combating nation-state and sophisticated criminal actors, is invaluable for understanding how data was compromised and preventing future occurrences.

Their integration with Google Cloud further enhances their cloud breach capabilities.

Specifications:

Mandiant offers comprehensive incident response services with a strong focus on data breach investigations, including data exfiltration, ransomware with data theft, and advanced persistent threat (APT) intrusions.

They provide full digital forensics across endpoint, network, and multi-cloud environments, root cause analysis, and remediation support.

Mandiant excels in legal and regulatory guidance, including breach notification, and offers proactive incident readiness and retainer services.

Features:

• World-leading expertise in complex data breach investigations and remediation.
• Unparalleled threat intelligence from frontline breach analysis.
• Specialized capabilities in responding to ransomware with data theft.
• Deep cloud forensics and incident response for major cloud platforms.
• Expert assistance with legal obligations and breach notification requirements.
• Proactive incident readiness services, including tabletop exercises.
• Global reach with rapid deployment capabilities.

Pros:

• Unmatched experience with sophisticated and high-impact data breaches.
• Direct access to elite threat intelligence and adversary insights.
• Proven track record in data recovery and breach containment.
• Strong support for legal, regulatory, and communication aspects.
• Effective in complex multi-cloud and hybrid environments.

Cons:

• Premium pricing, reflecting their top-tier, specialized expertise.
• Engagement is typically for organizations facing significant and complex breaches.
• While independent, increasing synergy with Google Cloud might influence preference.

Reason to Buy:

Mandiant is the definitive choice for large enterprises, government agencies, and organizations facing nation-state-sponsored attacks or highly sophisticated data exfiltration incidents.

If your organization is a high-value target and requires the absolute best-in-class expertise to manage a severe data breach, identify the perpetrators, and understand the full scope of data compromise, Mandiant is the gold standard.

✅ Best For: Large enterprises and government organizations targeted by sophisticated adversaries, requiring world-class expertise in investigating.

🔗 Try Mandiant here → Mandiant Official Website

2. Cynet

Why We Picked It:

Cynet’s approach to incident response is uniquely powerful due to its All-in-One Cybersecurity Platform, which combines XDR capabilities with automated investigation and remediation, backed by 24/7 human MDR support.

This “automation-first” philosophy ensures rapid containment and eradication of threats with minimal human intervention, making it exceptionally effective for security-constrained teams.

Cynet stands out for its integrated platform that covers Endpoint Protection (EPP), Network Detection and Response (NDR), User Behavior Analytics (UBA), and Security Orchestration, Automation, and Response (SOAR).

Specifications:

Cynet Incident Response services are built upon the Cynet 360 AutoXDR platform. They offer 24/7/365 emergency incident response, digital forensics, and post-breach analysis.

The service includes proactive threat hunting, automated root cause analysis, and multi-vector remediation capabilities (e.g., endpoint isolation, process termination, file rollback).

Cynet also provides incident readiness services such as tabletop exercises and retainer options.

Features:

• All-in-One XDR platform for comprehensive visibility.
• Automated investigation and remediation workflows.
• 24/7 human-led CyOps team for expert oversight.
• Endpoint, Network, and User Behavior Analytics (UBA).
• Proactive threat hunting.
• Full incident lifecycle support: identification, containment, eradication, recovery.
• Threat intelligence integration.

Pros:

• Rapid, automated response capabilities significantly reduce breach impact.
• Unified platform simplifies visibility and management.
• Cost-effective compared to managing multiple security tools.
• Strong for organizations with limited in-house security resources.
• Effective against ransomware, fileless malware, and insider threats.

Cons:

• Organizations not using the Cynet 360 platform may need to adopt it for full benefits.
• The “automation-first” approach might require trust in automated actions for some.
• While comprehensive, larger enterprises with highly specific niche requirements might need supplemental services.

Reason to Buy:

Cynet Incident Response is an ideal choice for organizations of all sizes, particularly those with security-constrained teams, that need a highly automated, yet expert-backed, incident response solution.

If you want a platform that can quickly detect, investigate, and remediate breaches across endpoints, networks, and users with minimal manual intervention, while still having 24/7 human oversight, Cynet offers exceptional value and speed.

✅ Best For: Organizations seeking an all-in-one, automation-first incident response and breach protection platform, especially those with limited in-house security teams that prioritize rapid containment and remediation.

🔗 Try Cynet here → Cynet Official Website 

3. CrowdStrike Services

Why We Picked It:

CrowdStrike Services excels in handling data breaches due to its deep integration with the CrowdStrike Falcon platform and its proactive Falcon OverWatch threat hunting team.

This synergy provides unparalleled endpoint and cloud visibility, allowing for rapid detection of data exfiltration attempts and swift containment, often preventing widespread data loss by identifying adversaries early in the attack chain.

Specifications:

CrowdStrike Services offers rapid incident response and digital forensics tailored for data breaches, including those driven by ransomware, insider threats, and advanced persistent threats.

Leveraging the CrowdStrike Security Cloud, they provide deep visibility across endpoints, cloud workloads, and identity, enabling efficient data exfiltration detection and remediation.

Their services include forensic analysis, containment, eradication, and recovery, complemented by proactive incident response retainers and readiness services.

Features:

• Rapid detection and containment of data exfiltration and breaches.
• Deep visibility into endpoint and cloud environments via Falcon platform.
• Proactive threat hunting from Falcon OverWatch enhances investigations.
• Specialized ransomware response, including data theft aspects.
• Detailed forensic analysis to identify scope of compromise and data loss.
• Flexible incident response retainers for guaranteed rapid access.
• Actionable recommendations for long-term security hardening.

Pros:

• Exceptional speed in detecting and responding to data breaches.
• Unparalleled visibility into endpoint and cloud activity.
• Strong in identifying sophisticated data exfiltration techniques.
• Proactive threat intelligence directly informs response.
• Scalable for large and complex environments.

Cons:

• Maximum value is realized when integrated with CrowdStrike’s core Falcon platform.
• Pricing can be substantial, often geared towards larger enterprises.
• Less focused on external legal counsel or PR services directly.

Reason to Buy:

CrowdStrike Services is an excellent choice for organizations prioritizing speed, deep endpoint/cloud visibility, and proactive threat intelligence in their data breach response.

If you are a CrowdStrike customer or value a platform-driven approach that can rapidly detect and contain data exfiltration and breaches with high fidelity, their services are highly effective.

✅ Best For: Organizations that need rapid and deep visibility into endpoint and cloud environments to detect and respond to data breaches quickly, especially those leveraging or considering the CrowdStrike Falcon platform for comprehensive security.

🔗 Try CrowdStrike here → CrowdStrike Official Website

4. Sygnia

Why We Picked It:

Sygnia brings an elite, “special operations” approach to incident response, which is particularly effective in containing and eradicating data breaches, especially those from highly sophisticated adversaries.

Their focus on rapid, decisive action minimizes the window for data exfiltration and ensures swift recovery, making them a top choice for organizations facing advanced threats.

Specifications:

Sygnia offers full-spectrum incident response services with a strong emphasis on data breach management, including complex data exfiltration, ransomware with data theft, and nation-state attacks.

Their methodology prioritizes rapid deployment, decisive containment, and efficient eradication, aiming to minimize business disruption and data loss.

Sygnia also provides proactive cyber readiness assessments and executive tabletop exercises to prepare for data breach scenarios.

Features:

• Elite, “battle-tested” expertise in data breach containment and eradication.
• Specialized in responding to nation-state level attacks and sophisticated data theft.
• Rapid deployment and decisive action to minimize data exfiltration.
• Comprehensive ransomware response with a focus on preventing data leaks.
• Proactive cyber readiness assessments and incident simulation.
• Strong communication and strategic guidance during crisis.
• Focus on minimizing business disruption and data loss.

Pros:

• Exceptional speed and effectiveness in high-stakes data breach scenarios.
• Deep technical expertise for complex and novel data exfiltration techniques.
• Proven success against advanced persistent threats (APTs).
• Strong in preventing and remediating multi-stage attacks involving data theft.
• Highly focused on core incident response and minimizing damage.

Cons:

• Premium pricing, typically for large enterprises with significant risk.
• Less emphasis on ancillary services like breach notification logistics (though they can guide).
• May be overkill for simpler, low-complexity data breach incidents.

Reason to Buy:

Sygnia is an excellent choice for large enterprises and critical infrastructure organizations that are high-value targets and require an exceptionally rapid, decisive, and highly technical response to data breaches originating from sophisticated adversaries.

If your primary concern is swift containment and eradication of data exfiltration by advanced groups, Sygnia is highly effective.

✅ Best For: Large enterprises and critical infrastructure organizations facing highly sophisticated data breaches and advanced persistent threats, demanding rapid, decisive, and expert-level incident response.

🔗 Try Sygnia here → Sygnia Official Website

5. IBM Security X-Force

Why We Picked It:

IBM Security X-Force Incident Response brings the immense resources of IBM, including its global reach, cutting-edge AI capabilities, and renowned X-Force threat intelligence, to bear on data breaches.

Their ability to integrate deep forensic analysis with advanced technology and extensive experience across diverse industries makes them a powerful choice for large, complex organizations dealing with sensitive data.

Specifications:

IBM Security X-Force offers global 24/7 incident response services with a strong specialization in data breaches, including data exfiltration, ransomware, and insider threats.

They leverage IBM’s X-Force threat intelligence and proprietary tools for deep forensic analysis across cloud, on-premise, and hybrid environments.

Services include forensic investigation, containment, eradication, and recovery, along with proactive incident readiness and retainers.

They provide support for legal and regulatory compliance.

Features:

• Global incident response with extensive geographic reach.
• Leverages IBM X-Force threat intelligence for deep insights into data breach TTPs.
• Deep forensic capabilities for identifying compromised data and exfiltration vectors.
• Specialized in ransomware with data exfiltration scenarios.
• Proactive incident response readiness services and tabletop exercises.
• Supports legal and regulatory compliance aspects of data breaches.
• Integrated with IBM Security platforms for enhanced visibility.

Pros:

• Vast global resources and deep industry experience.
• Strong integration of AI and threat intelligence into response.
• Capable of handling very large and complex data breaches.
• Comprehensive proactive and reactive services.
• Good support for cloud data breach investigations.

Cons:

• Can be a significant investment, primarily tailored for large enterprises.
• Onboarding and integration might be complex for new clients.
• While comprehensive, some smaller firms may offer more agile, niche services.

Reason to Buy:

IBM Security X-Force Incident Response is an excellent fit for large enterprises, global organizations, and those with highly complex IT infrastructures that handle vast amounts of sensitive data.

If you require a managed security partner with a global footprint, deep cybersecurity expertise, and the ability to integrate with a diverse technology stack to manage data breaches effectively, IBM offers a robust and comprehensive solution.

✅ Best For: Large enterprises and global organizations needing highly scalable, flexible, and comprehensive incident response for data breaches, backed by extensive threat intelligence, AI capabilities, and a global presence.

🔗 Try IBM Security X-Force here → IBM Security Official Website

6. PwC Cyber Security & Privacy

Why We Picked It:

PwC brings a unique blend of cybersecurity expertise, business advisory, and legal acumen to its incident response services, making them exceptionally well-suited for data breaches.

As one of the “Big Four” professional services networks, PwC’s strength lies in its ability to manage the entire crisis lifecycle, from technical investigation of data loss to legal, regulatory, and reputational fallout, providing a truly holistic and executive-level response.

Specifications:

PwC’s Cyber Security & Privacy team offers end-to-end incident response, digital forensics, and crisis management services, with a strong emphasis on data breach investigations.

They handle incidents involving unauthorized data access, exfiltration, and destruction (including ransomware).

Services include forensic analysis to determine data compromise scope, legal and regulatory compliance support (e.g., breach notification), public relations advisory, and proactive services like incident response planning and tabletop exercises.

Features:

• Comprehensive data breach incident response and digital forensics.
• Integrated legal, regulatory, and public relations support for data breaches.
• Specialized expertise in managing complex business crises from data loss.
• Proactive incident response planning and tabletop exercises.
• Global network of cybersecurity professionals and legal experts.
• Sector-specific expertise for various industries handling sensitive data.
• Forensic readiness assessments.

Pros:

• Holistic crisis management beyond just technical response to data breaches.
• Strong legal and regulatory compliance guidance for data protection laws.
• Global reach and consistent methodology for multi-jurisdictional breaches.
• Deep understanding of the business and reputational implications of data loss.
• Trusted advisor for C-suite and legal counsel.

Cons:

• Typically a premium-priced service, geared towards large enterprises.
• Less focused on the minute technical details of niche threats compared to pure-play forensic firms for certain, highly obscure attack vectors.
• Engagement might involve multiple service lines, adding complexity.

Reason to Buy:

PwC Cyber Security & Privacy is an excellent fit for large corporations, financial institutions, and organizations in highly regulated industries that handle sensitive data and need a strategic partner to manage the multi-faceted impacts of a major data breach.

If you require comprehensive support spanning technical, legal, regulatory, and reputational aspects, PwC offers a robust and integrated solution.

✅ Best For: Large enterprises and organizations that require a holistic, business-focused incident response service for data breaches, integrating technical DFIR with legal, regulatory, and reputational crisis management.

🔗 Try PwC Cyber Security & Privacy here → PwC Official Website

7. EY (Ernst & Young) Cyber Security

Why We Picked It:

EY Cyber Security leverages its extensive global network and deep industry knowledge to provide robust incident response services tailored for data breaches.

Their strength lies in integrating technical forensic capabilities with strategic business insights, helping organizations not only recover from a breach but also emerge with improved resilience and a stronger security posture regarding data protection.

Specifications:

EY’s Cyber Security team offers a full suite of incident response and digital forensics services, specializing in data breach investigations, containment, eradication, and recovery.

They provide specialized capabilities in ransomware, business email compromise (often involving data exfiltration), cloud forensics, and insider threat investigations leading to data loss.

EY also focuses on incident response readiness, crisis management, and assisting with regulatory compliance and legal support for data breaches.

Features:

• Global network of cybersecurity and forensic professionals.
• Comprehensive data breach incident lifecycle management.
• Focus on business resilience and long-term security improvement regarding data protection.
• Specialized services for cloud, mobile, and IoT forensics for data compromise.
• Integrated crisis management and communication support.
• Proactive incident response planning and simulation exercises.
• Regulatory compliance and legal advisory for data breaches.

Pros:

• Strong integration of technical expertise with strategic business advice.
• Global presence with local capabilities.
• Focus on long-term data security posture improvement.
• Experienced in complex, multi-jurisdictional data breach incidents.
• Trusted for high-stakes breach scenarios.

Cons:

• Geared towards larger enterprises, potentially higher cost.
• Engagement can be extensive, requiring significant client commitment.
• More of a structured, large-scale service than a niche boutique firm.

Reason to Buy:

EY Cyber Security is an ideal partner for large enterprises seeking a comprehensive incident response solution for data breaches that extends beyond technical remediation to include strategic business implications and long-term data security enhancements.

If your organization values a trusted advisor to guide you through a cyber crisis while simultaneously improving your overall cyber resilience and data protection, EY offers a compelling choice.

✅ Best For: Large enterprises seeking a strategic incident response partner for data breaches that combines deep technical forensics with business advisory, focusing on long-term data security posture improvement and organizational resilience.

🔗 Try EY (Ernst & Young) Cyber Security here → EY Official Website

8. Deloitte Cyber

Why We Picked It:

Deloitte Cyber’s Incident Response team offers extensive capabilities backed by a vast global network and deep expertise across various industries, making them highly effective for data breaches.

Their strength lies in providing highly structured and comprehensive incident response services that integrate technical forensics with strategic risk management, helping organizations navigate complex data compromises while maintaining business continuity and managing reputation.

Specifications:

Deloitte Cyber provides end-to-end incident response, digital forensics, and crisis management services, with a clear focus on data breaches.

They cover all phases of a data compromise incident, from preparation and detection to containment, eradication, recovery, and post-incident activities.

Specializations include ransomware with data exfiltration, insider threats leading to data loss, business email compromise, and advanced persistent threats.

Deloitte also offers incident response retainers, readiness assessments, and expert support for legal and regulatory matters concerning data breaches.

Features:

• Global incident response capabilities and extensive industry expertise.
• Comprehensive data breach incident lifecycle management.
• Deep forensic analysis across diverse platforms (cloud, on-prem, mobile) to identify data loss.
• Integrated crisis management and communications support.
• Proactive incident response planning and tabletop exercises tailored for data breaches.
• Regulatory compliance and legal advisory.
• Strong focus on risk mitigation and business continuity during data compromise.

Pros:

• Vast global reach and multidisciplinary expertise.
• Highly structured and mature incident response methodology.
• Capable of handling complex, large-scale data breaches.
• Strong in legal and regulatory guidance for data protection laws.
• Offers comprehensive proactive and reactive services.

Cons:

• Primarily tailored for large enterprises, with associated costs.
• Can be a slower engagement process due to firm size.
• Less focused on niche, cutting-edge technical exploits compared to boutique firms.

Reason to Buy:

Deloitte Cyber is an excellent choice for large, complex organizations that require a highly structured, globally capable, and strategically minded incident response partner for data breaches.

If you need a firm that can manage all facets of a major data compromise incident, from technical investigation to legal and reputational risk, and offer comprehensive proactive preparedness, Deloitte provides a robust solution.

✅ Best For: Large, multinational enterprises and highly regulated organizations seeking a structured, comprehensive, and globally capable incident response partner for data breaches, integrating technical DFIR with broader risk management.

🔗 Try Deloitte Cyber here → Deloitte Official Website

9. Arete Incident Response

Why We Picked It:

Arete Incident Response stands out for its deep specialization in ransomware and data breach incidents, particularly those involving data exfiltration.

They combine highly skilled forensic investigators with a strong understanding of cyber insurance processes, providing end-to-end support from initial breach to successful recovery and claims management, making them invaluable for affected organizations.

Specifications:

Arete offers 24/7 rapid incident response services with a primary focus on ransomware attacks and data breaches involving exfiltration.

Their services include forensic investigation, containment, eradication, and recovery.

Arete excels in handling complex data theft scenarios, often providing expertise in engaging with threat actors (when appropriate) and managing the data recovery process.

They also offer pre-incident planning, readiness assessments, and strong support for cyber insurance claims.

Features:

• Highly specialized in ransomware and data exfiltration incident response.
• Deep forensic capabilities for identifying compromised data.
• Strong experience in managing post-breach data leakage and dark web monitoring.
• Expert support for cyber insurance claims and communication.
• Proactive incident readiness and tabletop exercises.
• Focus on efficient recovery and business continuity.
• Direct access to experienced negotiators for ransomware incidents.

Pros:

• Exceptional expertise in complex data exfiltration scenarios and ransomware.
• Strong understanding of the cyber insurance ecosystem.
• Rapid response with a practical, results-oriented approach.
• Effective in minimizing data loss and expediting recovery.
• Collaborative and supportive during a high-stress event.

Cons:

• While strong, global reach may be slightly less expansive than the “Big Four.”
• Primarily focused on reactive incident response, less on broader strategic security consulting.
• Best for organizations with cyber insurance policies due to their specialization.

Reason to Buy:

Arete Incident Response is an excellent choice for organizations facing a ransomware attack with data exfiltration or any significant data breach.

If you need a firm with deep technical expertise in these specific areas, combined with a strong understanding of navigating cyber insurance claims and minimizing financial impact, Arete provides highly effective and specialized support.

✅ Best For: Organizations experiencing ransomware attacks with data exfiltration or other significant data breaches, especially those looking for an incident response partner with deep technical expertise and strong cyber insurance claim support.

🔗 Try Arete Incident Response here → Arete Incident Response Official Website

10. CylanceIR (BlackBerry)

Why We Picked It:

CylanceIR, part of BlackBerry, brings a unique AI-driven approach to incident response, particularly beneficial for data breaches, by leveraging its predictive AI technology to rapidly identify and isolate threats.

This allows for swift containment of data exfiltration and targeted remediation, often preventing widespread data compromise before it escalates.

Specifications:

CylanceIR offers incident response services that leverage BlackBerry’s Cylance AI technology for rapid threat detection and analysis, making them highly effective for data breach incidents.

They provide forensic analysis, containment, eradication, and recovery, with a focus on endpoint and network visibility.

Services include ransomware response, data exfiltration investigation, and proactive incident response readiness, including retainer options.

Features:

• AI-driven approach to incident detection and response for data breaches.
• Focus on rapid containment and eradication of threats like data exfiltration.
• Leverages BlackBerry’s CylanceProtect and Optics for deep endpoint visibility.
• Proactive incident response retainers and readiness services.
• Expert forensic analysis to determine the scope of data compromise.
• Streamlined incident management process.
• Emphasis on preventing future data loss.

Pros:

• Highly effective at rapid detection and containment due to AI integration.
• Strong capabilities in protecting endpoints from data exfiltration.
• Good for organizations already leveraging BlackBerry’s security products.
• Proactive approach to incident preparedness.
• Focus on minimizing dwell time and data loss.

Cons:

• Optimal benefits are achieved when integrated with BlackBerry’s security ecosystem.
• Less emphasis on broader legal/PR support compared to some “Big Four” firms.
• Global reach might not be as extensive as the largest consultancies.

Reason to Buy:

CylanceIR is an excellent choice for organizations seeking an incident response partner that leverages advanced AI for rapid detection and containment of data breaches, particularly those focused on endpoint protection.

If you are a BlackBerry customer or value an AI-driven approach to minimizing the impact of data exfiltration, CylanceIR provides a technologically advanced solution.

✅ Best For: Organizations that prioritize an AI-driven approach to rapidly detect, contain, and remediate data breaches, especially those leveraging BlackBerry’s endpoint security solutions.

🔗 Try CylanceIR (BlackBerry) here → BlackBerry Official Website

Conclusion

The threat of data breaches looms larger than ever in 2025, driven by sophisticated adversaries and complex digital environments.

While preventative measures are crucial, the ability to respond swiftly and comprehensively when data is compromised is paramount.

The Top 10 Incident Response Companies to Handle Data Breaches for 2025 highlighted in this article represent the pinnacle of expertise in navigating these challenging waters.

By partnering with one of these leading firms, organizations can ensure that they are not only prepared for a data breach but also equipped to manage its immediate aftermath, conduct thorough forensic investigations, adhere to stringent regulatory requirements, and ultimately recover with minimal impact.

Investing in these specialized services is a strategic imperative, transforming a potential catastrophe into a manageable crisis and safeguarding the invaluable asset that is your organization’s data.