Advanced AWS WAF ruleset for API and AI agent security. Blocks API abuse, GraphQL attacks, JWT anomalies, SSRF, and AI-driven threats. Discovers AI agent activity and MCP interactions to strengthen protection across modern agent-driven applications.
Overview:
Salt Security has released a specialized ruleset in the AWS Marketplace that extends the native capabilities of AWS WAF, delivering advanced protection against modern API threats and AI-agent-driven interactions. Designed as an add-on for existing AWS WAF customers, this ruleset brings deep, context-aware detection and response to environments where APIs and intelligent agents are core to digital workflows.
Why It Matters:
Traditional WAF rules were never built to understand the behavioral nuances of APIs or the complex, dynamic nature of AI-powered agents. With APIs now underpinning nearly every digital experience - and AI agents increasingly driving autonomous actions - security teams face blind spots that existing tools do not cover. This ruleset closes those gaps.
Key Capabilities:
Advanced API Threat Detection - Blocks common and complex API attack vectors such as brute force on credentials, excessive GraphQL queries, SSR threats and JWT-based anomalies.
Context-Aware Rate Limiting - Implements smart rate limits on sensitive parameters like user_id, email, and numeric-only values to stop enumeration and abuse patterns.
AI Agent and MCP Awareness - Uniquely identifies traffic related to AI-driven agents and MCP endpoints, blocking unauthorized access (unauthenticated_mcp_access) and labeling agent-like behaviors for deeper observability.
Security Signal Enrichment - Labels critical request attributes (e.g., auth headers, user IDs, GraphQL queries) to enhance detection fidelity and downstream analytics.
Proactive Threat Prevention - Detects and blocks sophisticated threats such as SSRF, prototype pollution, and brute force attempts on documentation endpoints.
Who Its For:
AWS WAF users who want to:
Strengthen their defenses against API-specific and logic-layer attacks
Extend visibility and control over AI agent activity
Accelerate detection and response without adding heavy infrastructure
Ensure MCP, GraphQL, and JWT traffic is governed properly
Highlights
Strengthen protection for modern API and agent interactions. No specialized security expertise required.
Salt Lab security experts continuously monitor, maintain, and update rulesets to help defind against emerging API, AI, and agentic threats.
Configure rules to log, alert, and/or block activity based on your organization security posture and operational requirements.
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
This product uses usage-based pricing with two separate charges that work together. The entity_usage dimension bills per month for each region where you run the managed rules, pro-rated by the hour. This covers your regional footprint. The volume_usage dimension bills per million requests processed in each region. This scales with your API traffic. You pay both: a regional base charge plus a traffic-based charge. Costs rise as you add regions or handle more requests. There are no tiers or term commitments; charges reflect actual monthly usage in each region.
Top-of-mind questions for buyers
What counts as one unit under the volume_usage charge?
The volume_usage dimension counts API requests processed by the managed rules in a region. You are billed per million requests. Every request that passes through the ruleset in that region adds to the count. More API and AI agent traffic means more requests, which raises this charge.
What drives most of my bill — the regional charge or the request volume?
Both charges apply at the same time on one invoice. The entity_usage charge sets a monthly base per region, pro-rated by the hour. The volume_usage charge grows with request counts. For high-traffic APIs or busy AI agents, request volume usually drives the larger share.
Am I charged if the rules run only part of a month in a region?
The entity_usage charge is pro-rated by the hour. You pay only for the hours the managed rules run in each region that month, not a full-month flat rate. The volume_usage charge still applies separately, based on the requests processed during that time.
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