pdf

us-16 Krug Hardening AWS Environments.pdf
Us 16 Krug Hardening Aws Environments

Presentation on hardening AWS environments and performing cloud incident response.

This page contains AI generated content. Errors or omissions may be present. Use human level critical thinking.
  • Q: How does 'Serverless' architecture change the incident response paradigm?
    A: It eliminates the ability to perform traditional disk forensics (no persistent OS), forcing reliance on logs and API activity data.
  • Q: What specific AWS service is identified as critical for 'Post-Mortem' analysis?
    A: CloudTrail, as it provides the immutable record of all API calls made within the environment.
  • Q: What is the operational benefit of 'Automated Forensics' in the cloud?
    A: The ability to automatically snapshot, isolate, and analyze a compromised instance immediately upon detection, preserving volatile evidence.
  • Q: How does 'MFA Delete' contribute to data resilience?
    A: It prevents an attacker (even with compromised credentials) from permanently deleting S3 backups without a second factor.
  • Q: What is the 'Shared Responsibility' implication for logging?
    A: AWS ensures the availability of the logging service (CloudTrail), but the customer is responsible for configuring it, retaining the logs, and analyzing them.
  • Q: How can 'VPC Flow Logs' be utilized for threat hunting?
    A: They provide visibility into network traffic patterns *within* the cloud environment, allowing detection of lateral movement between instances.
  • Q: What is the security value of 'IAM' roles over long-term access keys?
    A: Roles use temporary credentials that rotate automatically, reducing the impact of credential theft compared to static keys.
  • Q: What is the 'Immutable Infrastructure' concept mentioned?
    A: Replacing compromised instances with fresh ones rather than patching/fixing them, ensuring a clean state and destroying persistence.
  • Q: How does the 'ThreatResponse-Cloud' tool aid analysts?
    A: It automates the collection of evidence and containment actions (e.g., security group isolation) via API, speeding up response.
  • Q: What is the specific challenge of 'Physical Access' in cloud IR?
    A: You cannot physically disconnect a server or pull a hard drive; all containment and acquisition must be done logically via software/API.

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