Scenario: A multinational org uses ZTA to enhance security. They collaborate with third-party service providers for remote access to specific resources. How can ZTA policies authenticate third-party users and devices for accessing resources?
Correct Answer:C
ZTA is based on the principle of never trusting any user or device by default, regardless of their location or ownership. ZTA policies can use various methods to verify the identity and context of third-party users and devices, such as tokens, certificates, multifactor authentication, device posture assessment, etc. ZTA policies can also enforce granular and dynamic access policies that grant the minimum necessary privileges to third-party users and devices for accessing specific resources, while hiding all other assets from their view. This reduces the attack surface and prevents unauthorized access and lateral movement within the network.
ZT project implementation requires prioritization as part of the overall ZT project planning activities. One area to consider is ________
Select the best answer.
Correct Answer:A
ZT project implementation requires prioritization as part of the overall ZT project planning activities. One area to consider is prioritization based on risks, which means that the organization should identify and assess the potential threats, vulnerabilities, and impacts that could affect its assets, operations, and reputation, and prioritize the ZT initiatives that address the most critical and urgent risks. Prioritization based on risks helps to align the ZT project with the business objectives and needs, and optimize the use of resources and time.
References =
✑ Zero Trust Planning - Cloud Security Alliance, section ??Scope, Priority, & Business Case??
✑ The Zero Trust Journey: 4 Phases of Implementation - SEI Blog, section ??Second Phase: Assess??
✑ Planning for a Zero Trust Architecture: A Planning Guide for Federal ??, section ??Gap Analysis??
Scenario: An organization is conducting a gap analysis as a part of its ZT planning. During which of the following steps will risk appetite be defined?
Correct Answer:D
During the define requirements step of ZT planning, the organization will define its risk appetite, which is the amount and type of risk that it is willing to accept in pursuit of its objectives. Risk appetite reflects the organization??s risk culture, tolerance, and strategy, and guides the development of the ZT policies and controls. Risk appetite should be aligned with the business priorities and needs, and communicated clearly to the stakeholders.
References =
✑ Certificate of Competence in Zero Trust (CCZT) prepkit, page 7, section 1.3
✑ Risk Appetite Guidance Note - GOV.UK, section ??Introduction??
✑ How to improve risk management using Zero Trust architecture | Microsoft Security Blog, section ??Risk management is an ongoing activity??
According to NIST, what are the key mechanisms for defining, managing, and enforcing policies in a ZTA?
Correct Answer:A
According to NIST, the key mechanisms for defining, managing, and enforcing policies in a ZTA are the policy decision point (PDP), the policy enforcement point (PEP), and the policy information point (PIP). The PDP is the component that evaluates the policies and the contextual data collected from various sources and generates an access decision. The PEP isthe component that enforces the access decision on the resource. The PIP is the component that provides the contextual data to the PDP, such as the user identity, the device posture, the network location, the resource attributes, and the environmental factors.
References =
✑ Zero Trust Architecture Project - NIST Computer Security Resource Center, slide 9
✑ What Is Zero Trust Architecture (ZTA)? - F5, section ??Policy Engine??
✑ Zero Trust Frameworks Architecture Guide - Cisco, page 4, section ??Policy Decision Point??
When implementing ZTA, why is it important to collect logs from different log sources?
Correct Answer:C
Log collection is an essential component of ZTA, as it provides the data needed to monitor, audit, and improve the security posture of the network. By collecting logs from different sources, such as devices, applications, firewalls, gateways, and policies, ZTA can support various functions, such as:
✑ Change management: Logs can help track and document any changes made to the network configuration, policies, or resources, and assess their impact on the security and performance of the network. Logs can also help identify and revert any unauthorized or erroneous changes that may compromise the network integrity1.
✑ Incident management: Logs can help detect and respond to any security incidents, such as breaches, attacks, or anomalies, that may occur in the network. Logs can provide the evidence and context needed to investigate the root cause, scope, and impact of the incident, and to take appropriate remediation actions2.
✑ Visibility and analytics: Logs can help provide a comprehensive and granular view of the network activity, performance, and behavior. Logs can be used to generate dashboards, reports, and alerts that can help measure and improve the network security and efficiency. Logs can also be used to apply advanced analytics techniques, such as machine learning, to identify patterns, trends, and insights that can help optimize the network operations and security3.
References =
✑ Zero Trust Architecture: Data Sources
✑ Zero Trust Architecture: Incident Response
✑ Zero Trust Architecture: Visibility and Analytics
Which ZT element provides information that providers can use to keep policies dynamically updated?
Correct Answer:B
Data sources are the ZT element that provide information that providers can use to keep policies dynamically updated. Data sources are the inputs that feed the policy engine and the policy administrator with the relevant data and context about the entities, resources, transactions, and environment in the ZTA. Data sources help to inform the policy decisionsand actions based on the current state and conditions of the ZTA. Data sources can include identity providers, device management systems, threat intelligence feeds, network monitoring tools, etc.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 3: ZTA Architecture and Components