Showing only posts tagged Security Blog. Show all posts.

AWS designated as a critical third party to the UK financial sector

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Amazon Web Services EMEA Sarl (AWS) has been designated as a critical third party (CTP) to the UK financial sector by HM Treasury. The CTP regime came into force on January 1, 2025, and establishes a framework through which the Bank of England, PRA, and FCA (collectively the UK …

Introducing OAuth Support for AWS MCP Server

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You can now connect your agents to the AWS MCP Server using the same credentials and sign-in methods that you already use for connecting to the AWS Management Console or AWS Command Line Interface (AWS CLI) through a familiar browser-based experience powered by industry-standard OAuth. This new sign-in path …

Designing for the inevitable: System prompt leakage and mitigations in generative AI applications

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System prompts form the foundation of generative AI applications. A system prompt is a collection of instructions and operational context provided to a large language model (LLM) that shapes how the model behaves and interacts with users and tools. System prompts often contain proprietary information, including role definitions, behavioral …

The CISO’s guide to post-quantum mandates and migrations

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Over a dozen major economies have now published post-quantum cryptography (PQC) adoption guidance. As a CISO, you’re probably well into your migration plan and know the most difficult part has little to do with changing algorithms. The real leadership challenge is driving coordinated change across a large, complex …

Enforce zero data retention on Amazon Bedrock with Bedrock Projects and service control policies

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With the introduction of models that require data sharing with third-party providers—such as Claude Fable 5—organizations need a way to centrally enforce data retention policies. Amazon Bedrock gives you control over whether your prompts and model outputs are retained after an inference request completes. You might need …

Enforce least-privilege authorization in multi-agent AI chains using Cedar

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If you’re building multi-agent AI systems, you need to prevent authorization scope from silently expanding as agents delegate tasks through multi-hop chains. Without proper controls, an agent can potentially act beyond what the originating user authorized, even when role-based access control (RBAC) policies are in place. The OWASP …

Secure Amazon container workloads using container attribute-based rules in AWS Network Firewall

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Today, you can use AWS Network Firewall to protect traffic flowing to and from containerized applications on Amazon Elastic Kubernetes Service (Amazon EKS) and Amazon Elastic Container Service (Amazon ECS) clusters. If you run AI and machine learning (ML) workloads on Amazon EKS—such as model inference, RAG pipelines …

How to use the AWS Workload Credentials Provider for cross-account secret retrieval and prefetching secrets

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If you manage secrets across multiple AWS accounts or need faster secret access for latency-sensitive applications, this post shows you how to meet those requirements using two new features of the AWS Workload Credentials Provider (provider). You will learn how to configure role chaining for cross-account secret retrieval and …

What the June 2026 Threat Technique Catalog update means for your AWS environment

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The AWS Customer Incident Response Team (AWS CIRT) encounters patterns that repeat across engagements when helping customers respond to security incidents. We’re passionate about making sure that information is accessible so that everyone can improve their security posture and their organization’s resilience to disruption. The primary method …

Restrict AWS Management Console access to expected networks with sign-in resource-based policies and RCPs

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Amazon Web Services (AWS) recently announced support for resource-based policies and resource control policies (RCPs) for AWS Sign-In. By using resource-based policies and RCPs, you can restrict access to the AWS Management Console sign-in and aws login CLI sessions to requests from your expected networks, your on-premises data center …

Prevent data exfiltration: AWS egress controls for cloud workloads

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When securing an Amazon Web Services (AWS) environment, teams naturally prioritize inbound controls, firewalls, WAFs, and access policies, because that’s where the most visible threats originate. Outbound traffic, on the other hand, tends to get less attention. It’s often left open by default to avoid breaking application …

Accelerate security investigations with Kiro CLI

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When a security event occurs in your Amazon Web Services (AWS) environment, rapid response is critical. However security teams often struggle with time-consuming, manual processes that slow down investigations. Analysts must recall complex AWS Command Line Interface (AWS CLI) syntax for multiple services, manually correlate findings across Amazon GuardDuty …

Spring 2026 SOC 1 and 2 reports are now available in OSCAL format

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Amazon Web Services (AWS) is excited to release the Spring 2026 System and Organization Controls (SOC) 1 and 2 reports in machine-readable OSCAL format alongside the PDF version of the reports. The reports cover 188 services over the 12-month period from April 1, 2025 to March 31, 2026, giving …

Introducing AWS Continuum: Security at machine speed

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What we believe We’ve been thinking deeply about enterprise security. The operating model that served us for the past decade (collect telemetry, store it, query it, build dashboards to watch it) is no longer keeping pace. We need to shift to the new world: telemetry, context, reasoning, and …

Threat tactic spotlight: Subdomain takeover

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In this blog post you’ll learn how to detect and prevent subdomain takeover – a tactic where threat actors exploit dangling DNS records to redirect traffic to attacker-controlled resources. We’ll explain the issue, how the situation arises, and how you can use various AWS features and services to …

ICYMI: May 2026 @AWS Security

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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. AWS Security Blog posts This month’s AWS Security Blog posts covered AI security, network protection, identity …

Operationalizing AWS security: A maturity roadmap

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Enabling security tooling is the starting point. Making it operational—where findings drive decisions, response times are measurable, and your security posture improves week over week—is where most organizations struggle. This blog post provides a phased maturity roadmap for organizations that have already enabled AWS Security Hub and …

Building secure B2C applications with fine-grained access control using Amazon Cognito and Amazon Verified Permissions

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Modern web applications require robust security controls to protect user data and application resources. Authentication and authorization are two fundamental pillars of application security that answer critical questions: Who are you? and What are you allowed to do? Implementing these controls correctly can be challenging for developers, especially when …

Amazon Cognito unlocks advanced capabilities with next-generation infrastructure

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Amazon Cognito recently introduced high-throughput performance for demanding workloads, customer-managed keys for full control over data encryption at rest, and multi- Region replication for business continuity improvement. These capabilities were made possible through a next-generation storage infrastructure designed for extensibility and scale. To deliver this, we migrated hundreds of …

Gain visibility into DDoS attacks with flow logs in AWS Shield Advanced

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Reconstructing distributed denial of service (DDoS) attack traffic used to mean combining data from multiple sources after the fact. AWS Shield Advanced attack flow logs change that—they capture traffic metadata during attacks so you can pinpoint sources, verify mitigations, and feed your existing analysis pipelines. Shield publishes logs …

Customize federated sign-in with new Amazon Cognito Lambda trigger

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You can use Amazon Cognito user pools to add sign-up and sign-in functionality to your web and mobile applications. You can authenticate users directly with Amazon Cognito managed accounts using passwords, passwordless flows, or custom authentication flows, or let users federate in through external identity providers (IdP) using SAML …

Identify unused AWS KMS keys and prevent accidental key deletions

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As you scale your use of Amazon Web Services (AWS), managing KMS keys becomes increasingly important. Whether you manage a handful of keys or thousands across multiple AWS accounts and AWS Regions, there’s often a need to audit key usage to help you meet compliance requirements, evaluate your …

Secure multi-tenant AI agents with Amazon Bedrock AgentCore resource-based policies

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Software as a service (SaaS) providers building AI-powered applications on Amazon Bedrock AgentCore often need to serve multiple tenants with distinct security requirements from a shared infrastructure. Some tenants require cross-account access from their own Amazon Web Services (AWS) accounts, while others mandate that traffic stay within a private …

Spring 2026 SOC 1, 2, and 3 reports are now available with 188 services in scope

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Amazon Web Services (AWS) is pleased to announce that the Spring 2026 System and Organization Controls (SOC) 1, 2, and 3 reports are now available. The reports cover 188 services over the 12-month period from April 1, 2025–March 31, 2026, giving customers a full year of assurance. These …

Why and how to migrate to a Transit Gateway-attached AWS Network Firewall

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AWS Network Firewall now supports native attachment to AWS Transit Gateway. Customers commonly use Transit Gateway to route traffic from Amazon Virtual Private Cloud (Amazon VPC) networks to a centralized inspection VPC (a VPC dedicated to hosting firewall endpoints for traffic inspection) where their network firewall endpoints are deployed …

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