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Optiv Cybersecurity Dictionary Breadcrumb Home Cybersecurity Dictionary IR - Incident Response What is IR - Incident Response? Incident response (IR) represents the actions a company takes to manage the aftermath of a security breach or cyberattack. The goal is to have a plan to manage the situation in a way that reduces recovery time and costs while limiting damage to both technology infrastructure and corporate reputation. The most effective incident response plans have been formalized and practiced (perhaps through tabletop simulations) in advance of a true emergency. Common activities in incident response include identifying/containing/eradicating the issue, and recovering the impacted systems. It may also involve the PR and legal teams if public breach notification is required or some sort of legal risk is created. Finally, a good IR plan involves taking note of lessons learned and using that knowledge to help prevent future incidents. Image Related Services Incident Response CRS Security Operations Co-Managed SIEM Related TermsIncident ManagementSOC - Security Operation CenterSIEM - Security Information and Event ManagementMSS - Managed Security ServicesMSSP - Managed Security Service ProviderEDR - Endpoint Detection and ResponseCTI - Cyber Threat IntelligenceIndicator of Compromise (IOC)Threat HuntingTTPs - Tactics, Techniques, and Procedures Share: Contact Us