open-appsec vs Patchstack

open-appsec

Model: Free open source, managed cloud SaaS available

Free Tier Available View full pricing →

Patchstack

Model: Per site/month (billed annually)

Free Tier Available View full pricing →

open-appsec

• ML-Based Detection

  Pre-trained machine learning engine detects threats based on context and intent, not signatures. No rule tuning required.

• Automatic Learning

  Continuously learns application-specific traffic patterns in production, reducing false positives over time without manual intervention.

• Native Proxy Integration

  Runs as a module inside NGINX, Kong, or Envoy rather than as a separate proxy, eliminating additional network hops and latency.

• Kubernetes Ingress

  Functions as a Kubernetes Ingress Controller with built-in WAF, providing security at the ingress layer without sidecars or service mesh.

• API Protection

  Protects REST APIs against OWASP API Top 10 threats using the same ML engine, with automatic API discovery and schema enforcement.

• Anti-Bot

  Detects and mitigates automated attacks, credential stuffing, and web scraping using behavioral analysis.

Patchstack

• RapidMitigate (Virtual Patching)

  Automatically deploys targeted mitigation rules within hours of vulnerability disclosure. Rules block only the specific exploit vector, not broad traffic patterns. Claims 74% more exploits blocked compared to leading generic WAFs.

• WordPress Vulnerability Database

  The largest WordPress vulnerability database in the world. 12,000+ active mitigation rules. 4,100+ vulnerabilities disclosed in 2024 alone. Operates as the

• Patchstack Alliance Bug Bounty

  Bug bounty program that pays security researchers to discover vulnerabilities in popular WordPress plugins. Sources vulnerability intelligence from a global community of researchers, ensuring rapid discovery and disclosure.

• Free Monitoring Mode

  The Community plan provides free vulnerability detection and monitoring with no time limit. See which plugins and themes have known vulnerabilities without deploying patches. Useful for awareness and audit.

• PCI-DSS 4.0 Compliance

  Helps WordPress eCommerce sites meet PCI-DSS 4.0 requirement 6.4.2, which requires automated detection and prevention of web-based attacks. Virtual patching specifically addresses this requirement for known vulnerabilities.

• Hardening Recommendations

  Provides security hardening recommendations specific to your WordPress installation. Identifies misconfigured settings, unnecessary file permissions, and security headers.

• Plugin Priority Alerts

  Prioritized alerts based on vulnerability severity and the popularity of affected plugins. Focuses attention on the vulnerabilities most likely to be exploited in the wild.

• Multi-site Management

  Dashboard for managing vulnerability status and virtual patches across multiple WordPress sites. Bulk actions and centralized reporting for agencies and hosting providers.