Aws

🟡 Medium | Source: AWS Security Blog AWS has published guidance on securing multi-tenant AI agent deployments using Amazon Bedrock AgentCore resource-based policies. SaaS providers can use these controls to isolate tenants, enforce VPC-only traffic for regulated workloads, and manage cross-account access — all from a shared infrastructure. This matters because poorly isolated multi-tenant AI systems can expose one customer’s data or capabilities to another. Architect’s Take: If you are building or reviewing a multi-tenant SaaS platform on Bedrock AgentCore, implement resource-based policies now to enforce tenant isolation boundaries — pay particular attention to cross-account trust conditions and VPC endpoint restrictions to meet regulatory obligations such as UK GDPR and financial sector requirements. ...

🟠 High | Source: AWS Security Bulletins A vulnerability in AWS’s Kiro agentic IDE (versions prior to 0.11) allows remote unauthenticated attackers to write to execution-sensitive files such as .vscode/tasks.json, which can trigger automatic command execution when a folder is opened. The flaw stems from insufficient access control restrictions in the IDE’s file write tool. This is particularly concerning as it can be exploited via crafted instructions, potentially through AI agent interactions. ...