Digital forensics and incident response (DFIR) retainer services help organizations assess and manage the impact of a security incident. Digital forensics (DF) services assist with forensic response, aid in forensic information gathering and advise on proactive best practices for avoiding a breach. Incident response (IR) services assist with breach investigation, triage and impact classification. These capabilities are delivered as professional services, supported by technology services from the same provider.
Security consulting firms are advisory and consulting services (see 'Definition: Cybersecurity' ) related to information and IT security design, evaluation and recommendations. These services are procured by various stakeholders in an organization, including boards of directors, CEOs, chief risk officers (CROs), chief information security officers (CISOs), chief information officers (CIOs), and other business and IT leaders for the purpose of obtaining and ensuring acceptable risk levels for a specific client organization.