Leveraging AWS for DevSecOps Practices

Christopher Adamson
6 min readDec 31, 2023

DevSecOps is a software development methodology that emphasizes integrating security practices into every stage of the development lifecycle. Performing security reviews and tests early and often during development can help reduce risks and minimize issues in production environments.

AWS offers many managed services that can enable teams to more easily build security into their DevSecOps workflows. This tutorial provides an overview of key AWS services and features that support more secure software delivery.

Identity and Access Management

Managing identities and controlling access is foundational to securing infrastructure and applications on AWS. IAM enables granular permissions so developers, ops teams, and security groups only have access to the resources they need. Some key capabilities include:

AWS IAM

  • Centrally manage users, groups, roles, and their corresponding permissions.
  • Apply least privilege controls through IAM policies to limit access.
  • Enable multi-factor authentication (MFA) for all user authentications.
  • Integrate with enterprise identity providers via SAML for federation.
  • Enable temporary elevated privileges as needed through IAM roles.

AWS Organizations

  • Centrally manage policies across multiple AWS accounts from central master account.
  • Control permissions for identities through Service Control Policies.
  • Restrict account creation permissions.

AWS Single Sign-On

  • Centralized access portal for managing access to multiple AWS accounts and business applications.
  • Provides identity federation via Microsoft AD.
  • Enforce MFA when integrated with enterprise identity solutions.

AWS Identity Center

  • Monitor IAM usage, permissions grants, credential lifecycles, and anomalous behavior.
  • Analyze permissions to ensure least privilege controls in place.
  • Remediate issues identified around identities and access controls.

Taken together, these IAM capabilities allow teams to securely control access for both human users and applications — enabling easier audits for compliance as well as reduced risk of errors or unauthorized access at scale. Regularly analyzing policies through Identity Center also allows validating controls across expanding cloud resources.

Infrastructure as Code

Infrastructure as Code (IaC) is a critical DevOps practice that benefits security by enabling consistent and auditable provisioning of cloud resources. AWS provides robust tooling and services for implementing IaC across development, security, and ops teams:

AWS CloudFormation

  • Declarative approach to define all cloud resources in reusable JSON or YAML templates.
  • Version control templates for easy collaboration across teams.
  • Validate templates against AWS rules to catch issues prior to provisioning.
  • Leverage nested stacks for easier management of complex infrastructure.
  • Prevent provisioning of outdated templates using drift detection.

AWS Cloud Development Kit (CDK)

  • Define cloud infrastructure in popular programming languages including JavaScript, Python, and .NET.
  • Leverage IDE features like auto-complete and refactoring to accelerate development.
  • Produce standardized CloudFormation templates while enabling advanced programming logic.
  • Easily build CI/CD pipelines around infrastructure deployments.

Third-Party Tools

  • Utilize open source tools like Terraform for supporting provisioning across AWS and other providers.
  • Manage Terraform modules and backend state storage securely via private Git or S3 repositories.
  • Implement policy as code checks pre and post provisioning using OPA Gatekeeper.

Taken together, AWS IaC capabilities provide standardization, efficiency, security and reliability advantages over manual approaches. Templates can be reviewed, version controlled, and tests added to catch any deviations from approved policies or introduce new risks. Implementing IaC is a force multiplier for cloud security.

Continuous Risk Assessment

Assessing for security risks and misconfigurations continuously throughout the development lifecycle is critical for finding issues early. AWS provides automation, analytics, and dashboards to enable ongoing assessments:

AWS Inspector

  • Automated security assessments that help validate AWS workloads against vulnerabilities, expose potential security issues, and validate against compliance standards.
  • Supports assessment of both OS-level and application vulnerabilities.
  • Schedule automatic assessments triggered during deployments or on a regular basis.

AWS Audit Manager

  • Continuously audit resource configurations and activity for compliance against frameworks like CIS Benchmarks, ISO standards, PCI DSS, and HIPAA.
  • Build audit plans that align to your policies so new resources are automatically evaluated in near real-time.
  • Dashboards and alerts notify security teams of new risks as they emerge.

AWS Security Hub

  • Aggregates and prioritizes security findings/alerts from Inspector, Audit Manager and other AWS services into a single dashboard.
  • Get a comprehensive view of current risks and trends over time.
  • Automate security checks and remediation via integration with AWS services.

Amazon Detective

  • Analyzes data from CloudTrail, VPC Flow Logs, and DNS Logs to identify suspicious API calls, lateral movement, crypto mining, and other security issues.
  • Advanced analytics and machine learning algorithms to detect subtle indicators of compromise missed by rule-based approaches.

Together these managed services enable transparency into risks and misconfigurations continuously — eliminating reliance on periodic assessment reports or manual review processes. Security shifts left while velocity and reliability improve.

Compliance Validation and Protection

Validating compliance with security standards and protecting sensitive data are essential for many organizations. AWS provides built-in mechanisms to streamline compliance and implement data security controls:

AWS Artifact

  • On-demand access to AWS security and compliance reports and select online agreements.
  • Review documents supporting various industry and regulatory standards to understand the shared responsibility model with AWS.
  • Digitally download reports needed for your control audits from a centralized portal.

AWS Data Protection Services

  • Encrypt data at rest and in transit across various services to ensure security.
  • Manage keys centrally in AWS Key Management Service (KMS) or integrate with on-premises Hardware Security Modules (HSMs).
  • Apply data tokenization when storing sensitive fields using AWS Encryption SDK.

AWS Backup

  • Centrally manage backups across AWS services and on-premises environments.
  • Encrypt backup data for added protection via KMS keys.
  • Validate recovery processes through regular restore testing capabilities.

AWS Macie

  • Use machine learning and pattern matching to automatically discover and classify sensitive data such as PII in AWS S3.
  • Dashboards reveal unprotected sensitive data to improve compliance visibility.
  • Automate protection of sensitive data via alerts integrated with other AWS services.

Together these AWS capabilities provide guardrails and visibility to make compliance easier to achieve while also directly enhancing protection around sensitive customer data through encryption and access controls.

Examples of CLI commands for use with DevSecops practices

Here are some examples of AWS CLI commands that could be used as part of DevSecOps practices on AWS:

Identity and Access Management

Infrastructure as Code

Continuous Security Assessment

These provide a sampling of some key AWS CLI commands that can be integrated into CI/CD pipelines or scripts to manage cloud infrastructure securely via code.

Conclusion

Implementing DevSecOps practices like security automation, infrastructure as code, and shift left testing is critical for organizations operating in cloud environments like AWS. The flexibility and scale of cloud platforms enables more rapid delivery of new features, but can also introduce new risks if security is not properly integrated across the lifecycle.

AWS provides purpose-built managed services that embed security capabilities natively into the cloud platform, while also delivering automation tooling across identity and access management, continuous compliance validation, and data protection workflows. Together these help remove significant friction for developers, ops teams, and security groups — allowing all to collaborate more efficiently on delivering secure systems at scale.

Capabilities like AWS IAM, CloudFormation, Inspector, Artifact and others highlighted in this tutorial showcase how teams can embed security, compliance and risk mitigation directly into modern application design and deployment patterns. By leveraging these AWS services for security guardrails and real-time visibility, organizations can confidently accelerate new feature development without sacrificing protection. The force multiplier effect of cloud security, when properly implemented, is compelling for securely embracing digital innovation.

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