CV0-004 Security Practice Question
A company uses a SaaS application for customer relationship management (CRM). The security team wants to monitor user activities and enforce data loss prevention (DLP) policies. Which type of security tool should be deployed?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud Access Security Broker (CASB)
A Cloud Access Security Broker (CASB) provides visibility into SaaS usage, monitors user activities, and can enforce DLP policies across cloud applications.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Intrusion Detection System (IDS)
Why it's wrong here
An IDS inspects network traffic for intrusion signatures, so it cannot see activity inside a SaaS CRM or block data leaving it. It is tempting because it monitors for threats, but SaaS user activity and DLP enforcement require a cloud access security broker.
- ✗
Security Information and Event Management (SIEM)
Why it's wrong here
A SIEM aggregates and correlates logs for detection and investigation, but it does not enforce DLP policies or block data transfers. It is tempting because it monitors user activity across sources, yet enforcement requires a cloud access security broker sitting inline with the SaaS application.
- ✓
Cloud Access Security Broker (CASB)
Why this is correct
A CASB sits between users and the SaaS CRM, providing activity monitoring and enforcing DLP policies on cloud traffic. It satisfies the stem's constraint of governing a SaaS application, which endpoint or network tools cannot inspect directly.
- ✗
Web Application Firewall (WAF)
Why it's wrong here
A WAF filters inbound HTTP requests to protect web applications from exploits such as SQL injection, and cannot inspect SaaS user activity or enforce DLP. It is tempting because it inspects web traffic, but outbound data flows to a SaaS CRM need a cloud access security broker.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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