security blueprint does not seem to specify the requisite whitepapers
2 Answers
It is under the Exam Preparation section
AWS Whitepapers (aws.amazon.com/whitepapers) Kindle and .pdf
Security and Compliance documentation
Compliance resources
I recommend you the following base whitepapers:
• AWS Security Overview:
https://d0.awsstatic.com/whitepapers/Security/AWS%20Security%20Whitepaper.pdf
• Well Architected – Security Pillar:
https://d0.awsstatic.com/whitepapers/architecture/AWS-Security-Pillar.pdf
• AWS Security Best Practices: https://d1.awsstatic.com/whitepapers/Security/AWS_Security_Best_Practices.pdf
• AWS Risk and Compliance:
https://d0.awsstatic.com/whitepapers/compliance/AWS_Risk_and_Compliance_Whitepaper.pdf
• AWS Security Incident Response:
https://d1.awsstatic.com/whitepapers/aws_security_incident_response.pdf
Also check security, compliance and security blog webpages.