AWS Security Blog
Category: Amazon Bedrock
Propagate user authorization context in AI agents with Amazon Bedrock AgentCore
Many teams now deploy AI agents that pull from Amazon DynamoDB tables, document repositories, software as a service (SaaS) platforms, and internal knowledge bases to answer questions and automate workflows. A key risk in these deployments is that the agent has no awareness of who’s asking, so it might return data the user shouldn’t see. […]
Implement custom authentication for tools integration using request Lambda interceptor in AgentCore Gateway
When deploying AI agents with Amazon Bedrock AgentCore, organizations benefit from built-in modern support for OAuth 2.0, AWS Identity and Access Management (IAM), and API key authentication through Amazon Bedrock AgentCore Gateway. However, some enterprise environments still use legacy authentication mechanisms such as HTTP Basic Authentication (Basic Auth) (RFC 7617). The extensible architecture of AgentCore […]
Designing for the inevitable: System prompt leakage and mitigations in generative AI applications
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 guidelines, tool descriptions and usage instructions, […]
Enforce zero data retention on Amazon Bedrock with Bedrock Projects and service control policies
August 13, 2026: We’ve updated this post to remove references to Batch API. 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 […]
Secure multi-tenant AI agents with Amazon Bedrock AgentCore resource-based policies
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 virtual private cloud (VPC) for regulatory […]
Why Policy in Amazon Bedrock AgentCore chose Cedar for securing agentic workflows
Agents have agency: they adapt and find multiple ways to solve problems. This autonomy creates a fundamental security challenge: the large language model (LLM) at the heart of the agent is non-deterministic, and its decisions can’t be predicted or guaranteed in advance. It can hallucinate harmful actions with complete confidence. It’s vulnerable to prompt injection […]
Security posture improvement in the AI era
It’s only been a few weeks since Anthropic announced the Claude Mythos Preview model and launched Project Glasswing with AWS and other leading organizations. This has generated a lot of discussion about the future of cybersecurity and what the ever-increasing capabilities of foundation models mean to organizations. As AWS CISO Amy Herzog pointed out in […]
Designing trust and safety into Amazon Bedrock powered applications
Generative AI brings promising innovation, transforming how individuals and organizations approach everything from customer service to content creation and more. As AI continues to expand its capabilities, organizations are increasingly focused on how they can integrate the responsible AI concepts into the development lifecycle of their AI applications. Research from Accenture and Amazon Web Services […]
Building AI defenses at scale: Before the threats emerge
At AWS, we’ve spent decades developing processes and tools that enable us to defend millions of customers simultaneously, wherever they operate around the world. AI has been an extremely helpful addition to the automation our security and threat intelligence teams do every day, and we’re still early in this journey. Our AI-powered log analysis system […]
Securing Amazon Bedrock API keys: Best practices for implementation and management
July 1, 2026: We updated this post to include guidance for using Amazon Bedrock with Mantle endpoints. Recently, AWS released Amazon Bedrock API keys to make calls to the Amazon Bedrock API. In this post, we provide practical security guidance on effectively implementing, monitoring, and managing this new option for accessing Amazon Bedrock to help […]









