An organization is redesigning its monolithic application using a microservices architecture. Which security concern becomes more prominent when transitioning to microservices?
API security becomes a more prominent concern when transitioning to microservices because microservices communicate with each other through APIs, creating multiple potential entry points for attackers. In a microservices architecture, each service typically exposes its functionality through APIs that can be accessed by other services or external clients. This increases the attack surface compared to a monolithic application where most components interact internally. Organizations must implement proper authentication, authorization, rate limiting, and input validation for each API endpoint to ensure the security of the overall system. Additionally, API gateways often need to be implemented to centralize security controls like access management and monitoring across all microservices.
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ISC2 CISSP
Security Architecture and Engineering
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