The answer is implementing mobile device management (MDM) for remote wipe and policy enforcement. MDM is the most important BYOD policy security control because it provides centralized oversight, allowing an organization to enforce security policies dynamically, monitor device compliance, and remotely wipe corporate data if a device is lost, stolen, or non-compliant. On the ISC2 Certified in Cybersecurity CC exam, this concept tests your understanding that isolated controls like passwords or encryption are insufficient without a management layer to enforce and revoke access across diverse personal devices. A common trap is choosing a single technical control, such as full-disk encryption, while overlooking the need for centralized policy enforcement that MDM uniquely offers. Remember the mnemonic “MDM = Manage, Delete, Monitor” to recall that MDM handles policy management, remote data deletion, and continuous device monitoring as the essential triad for BYOD security.
ISC2 CC Security Operations Practice Question
This CC practice question tests your understanding of security operations. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization implements a bring-your-own-device (BYOD) policy. Which security control is most important to enforce in the BYOD policy?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement mobile device management (MDM) for remote wipe and policy enforcement
Mobile device management (MDM) is the most important control for a BYOD policy because it provides centralized policy enforcement, remote wipe capabilities, and device compliance monitoring. Unlike isolated controls like passwords or encryption, MDM allows the organization to enforce security policies dynamically and revoke access or wipe corporate data if a device is lost, stolen, or non-compliant.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Require complex passwords
Why it's wrong here
Passwords are important but alone insufficient for comprehensive security.
✗
Install a firewall on each device
Why it's wrong here
Firewalls are useful but not the most important control in BYOD.
✗
Enable full disk encryption
Why it's wrong here
Encryption protects data at rest but does not manage devices.
✓
Implement mobile device management (MDM) for remote wipe and policy enforcement
Why this is correct
MDM allows IT to enforce security policies and remotely wipe devices if lost or stolen.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the misconception that a single technical control (like encryption or passwords) is sufficient for BYOD security, when the real exam focus is on centralized management and the ability to enforce and revoke policies remotely via MDM.
Detailed technical explanation
How to think about this question
MDM solutions like Microsoft Intune or VMware Workspace ONE use APIs (e.g., Apple MDM protocol, Android Enterprise) to enforce policies such as passcode complexity, encryption, and remote wipe. A key subtlety is that MDM can perform a selective wipe (corporate data only) using app-level containers or managed profiles, whereas full disk encryption alone would require wiping the entire device. In a real-world scenario, if an employee's device is stolen, MDM can immediately issue a remote wipe command via push notification, ensuring corporate data is destroyed without affecting the user's personal photos or apps.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CC question in full detail.
Security Operations — This question tests Security Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Implement mobile device management (MDM) for remote wipe and policy enforcement — Mobile device management (MDM) is the most important control for a BYOD policy because it provides centralized policy enforcement, remote wipe capabilities, and device compliance monitoring. Unlike isolated controls like passwords or encryption, MDM allows the organization to enforce security policies dynamically and revoke access or wipe corporate data if a device is lost, stolen, or non-compliant.
What should I do if I get this CC question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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