B) Security orchestration, automation, and response (SOAR)

A) Single packet authorization (SPA)

C) Multi-factor authentication (MFA)

D) Security information and event management (SIEM) SOAR is a collection of software programs developed to bolster an organization's cybersecurity posture. SOAR tools can automate the response to security events and incidents by executing predefined workflows or playbooks, which can include tasks such as alert triage, threat detection, containment, mitigation, and remediation. SOAR tools can also orchestrate the integration of various security tools and data sources, and provide centralized dashboards and reporting for security operations. Reference= Certificate of Competence in Zero Trust (CCZT) prepkit, page 23, section 3.2.2 Security Orchestration, Automation and Response (SOAR) - Gartner Security Automation: Tools, Process and Best Practices - Cynet, section ''What are the different types of security automation tools?'' Introduction to automation in Microsoft Sentinel