Read all about the latest AWS security features, compliance updates, and hands-on resources in our new, monthly digest posts. You’ll find expert blog posts, new service capabilities, code samples, and workshops.

This month’s AWS Security Blog posts covered identity and access management, threat intelligence, network security, AI-powered security tooling, and multi-account governance. Read on for guidance on restricting console access to expected networks, securing multi-tenant AI agents, preventing data exfiltration, and managing organization-scale migrations.

Secure multi-tenant AI agents with Amazon Bedrock AgentCore resource-based policies
Authors: Satyen Verma, Satveer Khurpa, Prajit Pabbati, Vijay Kumar Samanthapudi, Zohreh Norouzi | Published: June 2, 2026
Learn to use resource-based policies on Amazon Bedrock AgentCore to grant cross-account access for one tenant while restricting another to VPC-only traffic in a shared multi-tenant AI platform.

Customize federated sign-in with new Amazon Cognito Lambda trigger
Authors: Abrom Douglas | Published: June 4, 2026
Learn to use the new inbound federation AWS Lambda trigger for Amazon Cognito to transform, filter, and enrich user attributes from external identity providers before profile creation in your user pool.

Amazon Cognito unlocks advanced capabilities with next-generation infrastructure
Authors: Howie Li, Georgi Baghdasaryan | Published: June 4, 2026
Amazon Cognito introduced high-throughput performance, customer-managed keys for data encryption at rest, and multi-Region replication for business continuity, built on a new storage infrastructure migrated with zero downtime.

Building secure B2C applications with fine-grained access control using Amazon Cognito and Amazon Verified Permissions
Authors: Sowmya Vemuri | Published: June 5, 2026
Learn to build fine-grained access controls for a Streamlit application using Amazon Cognito for authentication and Amazon Verified Permissions with Cedar policies for authorization.

Restrict AWS Management Console access to expected networks with sign-in resource-based policies and RCPs
Authors: Swara Gandhi, Rishi Tripathy | Published: June 24, 2026
Learn to use sign-in resource-based policies and resource control policies to restrict AWS Management Console sign-in to requests from expected networks, such as corporate VPNs and Amazon VPC endpoints.

Gain visibility into DDoS attacks with flow logs in AWS Shield Advanced
Authors: Ken Kitts | Published: June 4, 2026
Learn to configure AWS Shield Advanced attack flow logs to capture traffic metadata during DDoS events, pinpoint sources, verify mitigations, and feed your existing analysis pipelines.

Threat tactic spotlight: Subdomain takeover
Authors: Matt Gurr, Ariam Michael, Geoff Sweet, Luis Pastor | Published: June 16, 2026
Learn to detect and prevent subdomain takeover using AWS Config custom rules to identify dangling DNS CNAME records pointing to deleted resources in globally shared namespaces

Prevent data exfiltration: AWS egress controls for cloud workloads
Authors: Meriem Smache, Maxim Raya | Published: June 22, 2026
Learn to implement layered egress detection and protection using AWS Network Firewall, Amazon Route 53 Resolver DNS Firewall, and data perimeters to help reduce unauthorized data transfer risk.

Operationalizing AWS security: A maturity roadmap
Authors: Joseph Sadler | Published: June 8, 2026
A six-phase maturity roadmap for organizations that have already enabled AWS Security Hub and Amazon GuardDuty, covering tuning, notifications, automated remediation, and operational cadence.

Introducing AWS Continuum: Security at machine speed
Authors: Chet Kapoor | Published: June 17, 2026
AWS Continuum for code vulnerabilities is an AI-native platform that addresses the full lifecycle of a code vulnerability at machine speed—from discovery and prioritization through validation and remediation.

Accelerate security investigations with Kiro CLI
Authors: Sibasankar Behera, Marshall Jones | Published: June 18, 2026
Learn to use Kiro CLI to conduct security investigations following the AWS Security Incident Response Guide framework, from triaging Amazon GuardDuty findings through containment and evidence preservation.

What the June 2026 Threat Technique Catalog update means for your AWS environment
Authors: Shannon Brazil, Cydney Stude, Javier Teitelbaum | Published: June 29, 2026
Learn about five new entries and three updates to the Threat Technique Catalog for AWS, covering container security, organization-level trust, and compute hijacking patterns observed by AWS CIRT.

Identify unused AWS KMS keys and prevent accidental key deletions
Authors: Andrea Rossi, Poojil Tripathi | Published: June 2, 2026
Learn to use the new AWS KMS GetKeyLastUsage API to audit key activity, identify unused keys, and apply policy controls that prevent accidental deletion of recently used keys.

From Monolith to Multi-Account: Pinterest’s AWS Organization Transformation Journey
Authors: Sid Vantair, James Fogel, Jeremy Talis | Published: June 4, 2026
Learn how Pinterest migrated from a single monolithic AWS account to a multi-account architecture, including management account separation, automated account provisioning, and centralized networking.

Build a Multi Account Patch Compliance Dashboard with Kiro Specs
Authors: Justin Thomas | Published: June 9, 2026
Learn to use Kiro’s spec-driven development approach to build a serverless multi-account patch compliance dashboard with AWS Systems Manager Patch Manager and private access via AWS Systems Manager Session Manager.

Transfer AWS accounts between AWS Organizations while preserving AWS Lake Formation permissions
Authors: Alex Torres, Aarthi Srinivasan, Ryan McNamee | Published: June 12, 2026
Learn to migrate member accounts between AWS Organizations without disrupting AWS Lake Formation cross-account permissions by using temporary bridge shares with the new AWS RAM retention parameter.

Investigations of reported security vulnerabilities affecting Amazon and AWS services, software, and products.

• CVE-2026-10591 – Kiro IDE Insufficient File Write Restrictions to Execution-Sensitive Paths
• CVE-2026-10584 – HTTPS Fallback to HTTP in Graph Explorer
• CVE-2026-11400 and CVE-2026-11401 – Privilege Escalation in Aurora PostgreSQL using AWS Advanced JDBC Wrapper, AWS Advanced Go Wrapper
• CVE-2026-11393 – Code Injection via Improper Triple-Quote Escaping in AgentCore CLI Bedrock Agent Import
• CVE-2026-11417 – OS Command Injection in aws-cdk-lib NodejsFunction bundling
• CVE-2026-10740 – Excessive memory allocation in s2n-quic
• CVE-2026-12043 – Heap double-free in AWS Common Runtime aws-c-http
• CVE-2026-11931 – Insecure Permissions on Authentication Token Cache File in Kiro IDE
• CVE-2026-12530 – Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()
• Issue with containerd CRI Plugin – CVE-2026-50195, CVE-2026-53488, CVE-2026-53492, CVE-2026-53489, CVE-2026-47262
• CVE-2026-12957 and CVE-2026-12958 – Issues in Language Servers for AWS and Amazon Q Developer Plugins
• CVE-2026-13762 and CVE-2026-13763 – Issue with HTTP/2 multi-frame request body inspection in AWS WAF

This month brings 10 new AWS samples spanning AI security, identity, infrastructure security, governance, and observability. From securing Amazon Bedrock AgentCore agents with AWS WAF to building graph-based CMDBs for dependency analysis, these repositories help you implement security and governance best practices across your AWS environment.

Securing Amazon Bedrock AgentCore Runtime with AWS WAF
Learn to place AWS WAF in front of Amazon Bedrock AgentCore Runtime using two architecture patterns with an Application Load Balancer and VPC endpoints for defense-in-depth protection.

AI Security Posture Management (AI SPM) on AWS
Learn to discover, assess, and protect AI agents running in your environment using AWS-native services across three pillars: observe, govern, and defend, with rules mapped to OWASP LLM Top 10, NIST AI RMF, and MITRE ATLAS.

Implement On-Behalf-Of (OBO) token exchange for Amazon Bedrock AgentCore agents
Learn to implement secure identity propagation from user context through agent chains using Amazon Bedrock AgentCore Identity OBO token exchange without credential sharing.

Monetizing AI traffic with Amazon CloudFront and AWS WAF (x402)
Learn to monetize AI traffic at the edge using AWS WAF native x402 protocol support with Amazon CloudFront, settling payments in a single round-trip with no Lambda@Edge required.

Turn repeatable processes into SOPs your AI agent works through one auditable step at a time
Learn to use this MCP server to hand standard operating procedures to your AI agent one step at a time, with gated execution and auditable progress tracking.

Bedrock Ops Lens
Learn to deploy an Amazon Bedrock observability dashboard in your own account for per-account, per-model, and per-tag cost attribution, quota tracking, latency monitoring, and model lifecycle management, with an MCP server for IDE access.

AWS Agent Registry sample demo application
Learn to use AWS Agent Registry to publish, review, approve, and discover AI agents, MCP servers, and agent skills through a centralized catalog with governance workflows.

Graph CMDB — an AWS resource relationship graph
Learn to build a graph-based CMDB from AWS Config, AWS IAM, Amazon EKS, AWS CloudTrail, and VPC Flow Logs to visualize resource dependencies, investigate scope of impact, and surface governance findings.

OpenAI Codex through Amazon Bedrock — Usage governance with LiteLLM
Learn to centrally govern, administer, and monitor OpenAI Codex access for engineering teams using Amazon Bedrock as the inference backend with per-user budgets, rate limits, and audit trails via LiteLLM.

Agentic Data Governance — the context ladder
Learn to measure how governance context layers — data dictionaries, semantic metrics, and execution skills — improve data agent accuracy through a four-level ablation ladder on the BIRD benchmark.

June 2026 provides guidance and examples for operationalizing security at organizational scale; from maturity roadmaps and console access restrictions to AI agent registries and posture management platforms. The posts and samples provide patterns for DDoS visibility with flow logs, multi-tenant agent isolation with resource-based policies, egress controls for data exfiltration prevention, and governance frameworks for AI coding assistants. Each resource includes deployment steps or runnable code so you can validate in your own environment before adopting. Subscribe to the AWS Security Blog RSS feed to receive updates as they publish, and revisit this digest monthly for a consolidated view of what changed and what to act on.

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Read all about the latest AWS security features, compliance updates, and hands-on resources in our new, monthly digest posts. You’ll find expert blog posts, new service capabilities, code samples, and workshops.

This month’s AWS Security Blog posts covered AI security, network protection, identity management, compliance frameworks, and supply chain security. Read on for practical guidance on securing agentic AI workflows, filtering network traffic by category, defending against supply chain attacks, and more.

Security posture improvement in the AI era
Author: Celeste Bishop | Published: May 1, 2026
Learn to use the Security Health Improvement Program (SHIP) to strengthen security fundamentals across 10 core use cases for confident AI adoption.

Enabling AI sovereignty on AWS
Author: Stéphane Israël | Published: May 12, 2026
Learn how AWS delivers control and choice across the AI stack to help customers meet digital and AI sovereignty requirements.

The AWS AI Security Framework: Securing AI with the right controls, at the right layers, at the right phases
Authors: Riggs Goodman III, Christopher Rae | May 15, 2026
A structured framework that helps security leaders align the right security controls to the right AI use case, at the right layer, at the right deployment phase.

Why Policy in Amazon Bedrock AgentCore chose Cedar for securing agentic workflows
Authors: Liana Hadarean, Jean-Baptiste Tristan | May 20, 2026
Learn how Cedar’s deterministic authorization, automated reasoning, and formal verification capabilities secure agentic AI tool invocations through Amazon Bedrock AgentCore Gateway.

Securing open proxies in your AWS environment
Author: Dodd Mitchell | Published: May 4, 2026
Learn to identify and secure open proxies in your AWS environment to prevent abuse, protect your IP reputation, and control costs.

Introducing AI traffic analysis dashboards for AWS WAF
Authors: Christopher Jen, Eitav Arditti, Kaustubh Phatak | Published: May 5, 2026
A new dashboard providing visibility into AI bot and agent activity including bot identification, intent classification, and access pattern analysis.

Simplifying policy management with URL and Domain Category filtering on AWS Network Firewall
Authors: Lawton Pittenger, Sofía Aluma-Santos, Eric Fortenbery, Mostafa Elkhouly | May 28, 2026
Learn to use AWS Network Firewall’s URL and domain category filtering to control access to website categories like AI services, manage exceptions for approved domains, and monitor traffic patterns with Amazon CloudWatch Logs Insights.

Why and how to migrate to a Transit Gateway-attached AWS Network Firewall
Authors: Frank Phillis, Lawton Pittenger | May 28, 2026
Learn to migrate your centralized AWS Network Firewall deployment to a AWS Transit Gateway-attached model, eliminating the inspection Amazon VPC and enabling flexible cost allocation.

Regional routing for AWS access portals: Implementing custom vanity domains for IAM Identity Center
Authors: Georgi Baghdasaryan, Laura Reith, Sowjanya Rajavaram | May 14, 2026
Learn to build a custom vanity domain with latency-based routing and automated failover for IAM Identity Center multi-Region access portals.

Automating identity lifecycle and security with AWS Directory Service APIs
Authors: Ali Alzand, Kevin Sookhan | May 21, 2026
Learn to use the new AWS Directory Service Data APIs with Amazon GuardDuty and AWS Step Functions to automate identity lifecycle management and respond to security threats.

Announcing the ISO 31000:2018 Risk Management on AWS compliance guide
Authors: Jesse McMahan, Akanksha Chaturvedi, Mayur Jadhav, Juan Rodriguez, Sana Rahman | Published: May 1, 2026
A compliance guide providing practical guidance for establishing a risk management program using ISO 31000:2018 principles in AWS environments.

New compliance guide available: ISO/IEC 42001:2023 on AWS
Authors: Abdul Javid, Amber Welch, Muhammad Sharief, Jonathan Jenkyn, Satish Uppalapati | Published: May 6, 2026
A compliance guide providing practical guidance for designing and operating an Artificial Intelligence Management System (AIMS) using AWS services.

Introducing the updated AWS User Guide to Governance, Risk, and Compliance for Responsible AI Adoption
Authors: Krish De, Stephen James Martin, Brenda Fong, Kelvin Leung | May 13, 2026
An updated guide providing FSI customers practical considerations for responsible AI adoption across governance, risk management, compliance, data management, and AI agent management.

Governing infrastructure as code using pattern-based policy as code
Authors: Guptaji Teegela, Paul Keastead | May 19, 2026
Learn to use Open Policy Agent (OPA) in CI/CD pipelines to validate AWS infrastructure changes before deployment using recurring control patterns.

Import historical data from AWS CloudTrail Lake to Amazon CloudWatch
Authors: Isaiah Salinas, Erik Weber|Published: May 6, 2026
Learn to import historical data from AWS CloudTrail Lake into Amazon CloudWatch for centralized log analysis.

Automating post-quantum cryptography readiness using AWS Config
Author: Pravin Nair | May 14, 2026
Learn to use the PQC Readiness Scanner to inventory your ALB, NLB, and Amazon API Gateway endpoints and continuously monitor their TLS configurations for post-quantum cryptography readiness.

Detecting and preventing crypto mining in your AWS environment
Authors: Jason Palmer, Nadia Mahmood | May 13, 2026
Learn to use Amazon GuardDuty to identify and mitigate cryptocurrency mining threats in your AWS environment with a multi-layered defense strategy.

Well-architected best practices for software supply chain security
Authors: Trevor Schiavone, Desiree Brunner | May 26, 2026
Learn to apply AWS Well-Architected Framework security best practices to defend against software supply chain attacks like Shai-Hulud using temporary credentials, centralized dependency management, artifact signing, and continuous scanning.

AWS Security Hub Extended: Why enterprise security products should sell themselves
Author: Michael Fuller | May 20, 2026
A thought leadership piece on how AWS Security Hub Extended enables frictionless, pay-as-you-go adoption of curated partner security solutions alongside AWS-native services.

Five ways to use Kiro and Amazon Q to strengthen your security posture
Author: Roger Nem | Published: May 5, 2026
Learn to use Kiro and Amazon Q Developer for security finding triage, infrastructure remediation, security reviews, and service control policies (SCP) development.

AWS Security Agent full repository code scanning feature now available in preview
Authors: Ayush Singh, Daniele Bonadiman | May 12, 2026
Learn to use AWS Security Agent’s full repository code review to perform deep, context-aware security analysis of your entire code base.

Complimentary virtual training: Get hands-on with AWS Security services
Author: Ashley Nelson | Published: May 11, 2026
Security Activation Days are free 3–6 hour virtual workshops providing hands-on practice with AWS security services guided by specialists.

Investigations of reported security vulnerabilities affecting Amazon and AWS services, software, and products.

• Ongoing updates on Copy.fail and variants
• CVE-2026-7791 – Local Privilege Escalation via TOCTOU Race Condition in Amazon WorkSpaces Skylight Agent
• CVE-2026-8178 – Remote Code Execution via Unsafe Class Loading in Amazon Redshift JDBC Driver
• CVE-2026-8596 & CVE-2026-8597: Issue with Amazon SageMaker Python SDK – Model artifact integrity verification issues
• CVE-2026-8686 – Heap out-of-bounds read in coreMQTT MQTT5 property parsing
• CVE-2026-8838 – Remote Code Execution in amazon-redshift-python-driver
• CVE-2026-9133 – Arbitrary file read in rabbitmq-aws plugin
• CVE-2026-9255 – Tool Execution Without Authorization via Piped Stdin in Kiro CLI
• CVE-2026-9291 – Insecure Deserialization in Amazon Braket SDK Job Results Processing
• CVE-2026-10591 – Kiro IDE Insufficient File Write Restrictions to Execution-Sensitive Paths
• CVE-2026-10584 – HTTPS Fallback to HTTP in Graph Explorer

This month brings 8 new AWS samples spanning application security, data protection, infrastructure security, governance, and AI security. From AI-powered security agents on Amazon Bedrock AgentCore to centralized AWS Config monitoring at scale, these repositories help you implement security best practices across your AWS environment.

Schedule AWS Security Agent penetration test
Learn to deploy a AWS CloudFormation template that uses Amazon EventBridge and AWS Step Functions to schedule recurring AWS Security Agent penetration tests with Amazon Simple Notification Service
(SNS) notifications on completion.

Security review assistant
Learn to deploy a multi-agent system on Amazon Bedrock AgentCore that automates Deliverable Security Reviews by combining architecture analysis, IaC code review, ASH vulnerability scanning, and compliance assessment into a single pipeline.

AWS Security Agent Recorder
Learn to use a cross-browser extension that records the unique domains your web app contacts and auto-fills them into the AWS Security Agent penetration test configuration.

KMS access audit
Learn to resolve and report who can use your AWS Key Management Service (KMS) keys across IAM policies, key policies, and grants, with IAM Identity Center resolution to identify the humans behind SSO roles.

Building a conversational AI agent for AWS WAF analysis with AgentCore
Learn to deploy an AI-powered agent using Amazon Bedrock AgentCore and Strands SDK that investigates AWS WAF security incidents, detects bypasses, and generates security reports through natural language.

Centralized AWS Config CI monitoring with Amazon CloudWatch
Learn to centrally monitor AWS Config Configuration Item recording across all accounts in an AWS Organization using CloudWatch Cross-Account Observability, with dashboards showing top resource types, per-account volume, and conformance pack compliance.

CloudFormation Guard security analyzer
Learn to deploy an AI agent powered by Amazon Bedrock AgentCore that scans CloudFormation resource documentation, identifies security-critical properties with risk levels, and generates ready-to-use cfn-guard 3.x rules for your CI/CD pipeline.

Guarded user-controlled attested runtime deployment (Guardian Platform)
Learn to deploy LLM models securely in consumer AWS accounts while protecting model weights using AWS Nitro TPM attestation, KMS envelope encryption, and Zero Operator Access with immutable AMIs.

This month brings 1 new AWS Labs repository focused on governance, helping research institutions deploy secure, tagged infrastructure with self-service access and multi-account controls.

ResearchStack on AWS
Learn to deploy research computing infrastructure on AWS in minutes — Amazon EC2, S3, EFS, Amazon SageMaker AI, and ParallelCluster — with built-in security, cost tracking, and governance using CloudFormation templates and optional AWS Service Catalog.

May 2026 shows AI security maturing from model-level controls to full-stack protection of agentic workflows. The posts and samples provide patterns for policy-based authorization with Cedar, network traffic filtering by category, and cross-account compliance monitoring. The security bulletins address vulnerabilities in SDKs, drivers, and developer tooling. Each resource includes deployment steps or runnable code so you can validate in your own environment before adopting. Subscribe to the AWS Security Blog RSS feed to receive updates as they publish, and revisit this digest monthly for a consolidated view of what changed and what to act on.

If you have feedback about this post, submit comments in the Comments section below.

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If you have feedback about this post, submit comments in the Comments section below. If you have questions about this post, contact AWS Support.