Why is it critical to implement security controls such as authentication, authorization, and encryption inside every microservice rather than relying solely on perimeter defenses?

hard📝 Conceptual Q10 of 15

Microservices - Authentication and Authorization

ABecause internal services never handle sensitive data

BBecause perimeter defenses are always sufficient to protect internal services

CBecause encryption is only needed at the perimeter

DBecause microservices can be accessed directly, bypassing perimeter defenses

Step-by-Step Solution

Solution:

Step 1: Recognize microservice exposure
Microservices often communicate directly or may be exposed through multiple network paths, not just the perimeter.
Step 2: Importance of internal security controls
Implementing authentication, authorization, and encryption inside each service protects against internal threats and bypasses of perimeter defenses.
Final Answer:
Because microservices can be accessed directly, bypassing perimeter defenses -> Option D
Quick Check:
Internal security protects beyond perimeter = C [OK]

Quick Trick: Protect each service; perimeter alone is not enough [OK]

Common Mistakes:

MISTAKES

Assuming perimeter security covers all risks
Ignoring internal data sensitivity
Thinking encryption only matters at network edges

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More Microservices Quizzes

Why is it critical to implement security controls such as authentication, authorization, and encryption inside every microservice rather than relying solely on perimeter defenses?

Step 1: Recognize microservice exposure

Step 2: Importance of internal security controls

Final Answer:

Quick Check:

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