Which component in a ZTA is responsible for deciding whether to grant access to a resource?
Answer(s): C
The policy engine (PE) is the component in a ZTA that is responsible for deciding whether to grant access to a resource. The PE evaluates the policies and the contextual data collected from various sources, such as the user identity, the device posture, the network location, the resource attributes, and the environmental factors, and then generates an access decision. The PE communicates the access decision to the policy enforcement point (PEP), which enforces the decision on the resource.
Certificate of Competence in Zero Trust (CCZT) prepkit, page 14, section 2.2.2 What Is Zero Trust Architecture (ZTA)? - F5, section "Policy Engine" What is Zero Trust Architecture (ZTA)? | NextLabs, section "Core Components" [SP 800-207, Zero Trust Architecture], page 11, section 3.3.1
What is the function of the rule-based security policies configured on the policy decision point (PDP)?
Answer(s): D
Rule-based security policies are a type of attribute-based access control (ABAC) policies that define rules that control the entitlements to assets, such as data, applications, or devices, based on the attributes of the subjects, objects, and environment. The policy decision point (PDP) is the component in a zero trust architecture (ZTA) that evaluates the rule-based security policies and generates an access decision for each request.
Certificate of Competence in Zero Trust (CCZT) prepkit, page 14, section 2.2.2 A Zero Trust Policy Model | SpringerLink, section "Rule-Based Policies" Zero Trust architecture: a paradigm shift in cybersecurity - PwC, section "Security policy and control framework"
To respond quickly to changes while implementing ZT Strategy, an organization requires a mindset and culture of
Answer(s): B
To respond quickly to changes while implementing ZT Strategy, an organization requires a mindset and culture of continuous risk evaluation and policy adjustment. This means that the organization should constantly monitor the threat landscape, assess the security posture, and update the policies and controls accordingly to maintain a high level of protection and resilience. The organization should also embrace feedback, learning, and improvement as part of the ZT journey.
Certificate of Competence in Zero Trust (CCZT) prepkit, page 7, section 1.3 Cultivating a Zero Trust mindset - AWS Prescriptive Guidance, section "Continuous learning and improvement"Zero Trust architecture: a paradigm shift in cybersecurity - PwC, section "Continuous monitoring and improvement"
What is one of the key purposes of leveraging visibility & analytics capabilities in a ZTA?
One of the key purposes of leveraging visibility & analytics capabilities in a ZTA is to continually evaluate user behavior against a baseline to identify unusual actions. This helps to detect and respond to potential threats, anomalies, and deviations from the normal patterns of user activity. Visibility & analytics capabilities also enable the collection and analysis of telemetry data across all the core pillars of ZTA, such as user, device, network, application, and data, and provide insights for policy enforcement and improvement.
Certificate of Competence in Zero Trust (CCZT) prepkit, page 15, section 2.2.3 Zero Trust for Government Networks: 4 Steps You Need to Know, section "Continuously verify trust with visibility & analytics"The role of visibility and analytics in zero trust architectures, section "The basic NIST tenets of this approach include"What is Zero Trust Architecture (ZTA)? | NextLabs, section "With real-time access control, users are reliably verified and authenticated before each session"
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