Learn the recommended method to secure sensitive data in transit on AWS. Understand why SSL/TLS encryption is essential for protecting data during transmission and how it ensures confidentiality and integrity.
Table of Contents
Question
What is the recommended method to secure sensitive data in transit on AWS?
A. Use AWS Shield
B. Use SSL/TLS
C. Use AWS WAF
D. Use IAM security policies
Answer
B. Use SSL/TLS
Explanation
The recommended method for securing sensitive data in transit on AWS is using SSL/TLS (Secure Socket Layer/Transport Layer Security), which encrypts data in transit and ensures secure communication.
Securing sensitive data in transit is a critical aspect of cloud security, as it protects the confidentiality and integrity of data while it moves between systems, applications, or users. Among the provided options, SSL/TLS (Secure Sockets Layer/Transport Layer Security) is the recommended and industry-standard method for encrypting data in transit on AWS.
Why SSL/TLS Is the Correct Answer
- Encryption Protocol: SSL/TLS provides end-to-end encryption by encrypting data before it is transmitted over a network. This ensures that unauthorized parties cannot intercept or tamper with the data during transmission.
- AWS Support: AWS services like EC2, RDS, S3, and Elastic Load Balancers support SSL/TLS for securing communication channels. AWS Certificate Manager (ACM) simplifies the process of obtaining and managing SSL/TLS certificates.
- Compliance: Using SSL/TLS helps meet organizational and regulatory requirements for data protection, such as GDPR or HIPAA.
Why Other Options Are Incorrect
A. Use AWS Shield: AWS Shield is a managed Distributed Denial of Service (DDoS) protection service. While it enhances network security by mitigating DDoS attacks, it does not encrypt data in transit.
C. Use AWS WAF: AWS Web Application Firewall (WAF) protects web applications from common threats like SQL injection or cross-site scripting (XSS). It does not handle encryption of data in transit.
D. Use IAM Security Policies: IAM security policies control access to AWS resources but do not provide encryption for data in transit.
Best Practices for Securing Data in Transit
To further enhance security:
- Use HTTPS (which relies on SSL/TLS) for web applications and APIs.
- Regularly rotate encryption keys using AWS Key Management Service (KMS).
- Enforce encryption requirements through IAM policies or service configurations.
- Monitor compliance using tools like AWS Config or CloudTrail.
By implementing SSL/TLS, you ensure that sensitive information remains secure while being transmitted across networks, fulfilling both technical and compliance requirements.
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