ITGSS Certified DevOps Engineer Practice Test

What type of keys should be rotated to enhance security in Kubernetes?

1. Network keys

2. Static encryption keys

3. Admin user keys

4. TLS encryption keys

The correct answer is: TLS encryption keys

Rotating TLS encryption keys is crucial in enhancing security within Kubernetes environments. TLS (Transport Layer Security) is used to secure the communication between clients and servers, ensuring that the data transmitted remains confidential and protected from eavesdropping or tampering. Regularly rotating TLS keys helps mitigate the risk of cryptographic key compromise. If an attacker were to gain possession of a static TLS key, they could potentially decrypt or manipulate sensitive data. By frequently changing these keys, even if an attacker obtains a key, their access to the encrypted data will be limited. Moreover, Kubernetes often relies on TLS for securing its API server and communication between various components, making the integrity and confidentiality of these keys paramount. Implementing a strong key rotation policy not only strengthens protection against potential breaches but also aligns with best practices in security management and compliance standards. While the other types of keys mentioned do have their importance, their direct impact on securing communication within Kubernetes may not be as significant as that of TLS encryption keys.