Exam Name: GIAC Defensible Security Architect
Certification Provider: GIAC
Corresponding Certification: GIAC Cyber Defense
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GIAC GDSA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Fundamental Security Architecture Concepts | 20% | - Security architecture frameworks and risk assessment - Zero Trust Model principles and implementation - Intrusion Kill Chain and Diamond Model application - Software Defined Networking (SDN) security |
| Topic 2: Fundamental Layer 3 Defense | 15% | - Bogon filtering and route authentication - CIDR, routing protocols and attack mitigation - Securing SNMP, NTP and other core services - IPv6 security considerations and controls |
| Topic 3: Data Discovery, Governance, and Mobility Management | 15% | - Data classification and inventory - Data lifecycle protection and compliance - Data Loss Prevention (DLP) design and deployment - Mobile Device Management (MDM) and endpoint security |
| Topic 4: Data-Centric Security | 20% | - Encryption strategies and key management - Tokenization and data masking - Database activity monitoring and protection - Reverse proxies and WAF implementation |
| Topic 5: Cloud-based Security Architecture | 20% | - Hypervisor and container security - Cloud network segmentation and micro-segmentation - Cloud service models and shared responsibility - Cloud access control and identity management |
| Topic 6: Layer 1 / Layer 2 Defense | 10% | - VLAN segmentation and protection - Switching infrastructure security - ARP spoofing and broadcast control |
What to Know About GDSA Before You Start
- Layer 1 / Layer 2 Defense (10%)
- Fundamental Security Architecture Concepts (20%)
- Data-Centric Security (20%)
GIAC Defensible Security Architect Sample Questions:
Why are proactive defenses important in shaping attacker behaviors in Zero Trust Networking?
Response:
- A. They encourage attackers to use more predictable strategies
- B. They aim to preemptively disrupt and deter attack tactics
- C. They focus on strengthening perimeter defenses only
- D. They solely rely on passive detection mechanisms
Correct Answer: B 🗳️
Which techniques are effective for enhancing network security monitoring?
(Choose two)
Response:
- A. Disabling all outbound traffic to prevent data leakage
- B. Using encryption for all inbound connections
- C. Deploying Network Intrusion Prevention Systems (NIPS)
- D. Implementing deep packet inspection for detailed traffic analysis
Correct Answer: C,D 🗳️
Your organization is implementing Zero Trust Networking. During an internal audit, your team identifies a critical flaw in how endpoint traffic is authenticated before accessing sensitive resources. Several devices have bypassed authentication and are communicating with internal systems.
What immediate actions should you take to align with the Zero Trust Networking model and secure the network?
Response:
- A. Implement Single Packet Authentication (SPA) for all devices and enforce endpoint traffic encryption
- B. Restrict all external traffic and allow internal traffic to continue without further verification
- C. Disable all network traffic until a full security audit is completed
- D. Allow unauthenticated devices to access non-critical systems while reviewing network configurations
Correct Answer: A 🗳️
In the Zero Trust Architecture, what is the primary assumption about network traffic?
Response:
- A. External traffic is blocked automatically
- B. Traffic inside the perimeter is trusted by default
- C. All traffic, regardless of origin, must be authenticated and authorized
- D. Traffic from trusted devices is exempt from inspection
Correct Answer: C 🗳️
Which of the following is true regarding the deployment of Network Access Control (NAC)?
Response:
- A. It allows all devices onto the network without any form of authentication.
- B. It decreases network visibility and control.
- C. It can prevent endpoints that do not comply with policy from accessing the network.
- D. It is used to provide high bandwidth to critical applications.
Correct Answer: C 🗳️
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