Comprehensive and Detailed In-Depth Explanation:

In a BYOD environment, employees use personal devices to access company systems, making compliance with policies and procedures critical for data security.

Option B (Reduced need for policies) – Incorrect, as BYOD increases security complexity, requiring stricter policies.

Option C (Less critical incident response) – Incorrect, as BYOD increases security risks, making quick response times crucial.

Option D (Greater risk sharing) – Organizations remain ultimately responsible for security, even with personal devices.

Since employee compliance is essential to mitigating security risks in BYOD settings, Option A is correct.