Atomicorp Atomic ModSecurity Rules & WAF vs Stairwell: Side-by-Side Comparison (2026)

Atomicorp Atomic ModSecurity Rules & WAF: ModSecurity-based WAF ruleset for detecting and blocking web app attacks. built by Atomicorp. Core capabilities include Real-time web application attack detection and blocking, OWASP Top 10 vulnerability coverage, Regular rule updates for emerging threats and CVEs..

Stairwell: File analysis & threat intel search engine for SOC and IR teams. built by Stairwell. Core capabilities include Hash and IOC lookup to determine malicious file presence, YARA rule analysis (continuous and private vault), AI triage verdict with behavioral explanation..

Both serve the Detection Engineering market but differ in approach, feature depth, and target audience.

Atomicorp Atomic ModSecurity Rules & WAF differentiates with Real-time web application attack detection and blocking, OWASP Top 10 vulnerability coverage, Regular rule updates for emerging threats and CVEs. Stairwell differentiates with Hash and IOC lookup to determine malicious file presence, YARA rule analysis (continuous and private vault), AI triage verdict with behavioral explanation.

Atomicorp Atomic ModSecurity Rules & WAF is developed by Atomicorp. Stairwell is developed by Stairwell. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Atomicorp Atomic ModSecurity Rules & WAF integrates with Apache, Nginx, IIS, ModSecurity. Stairwell integrates with Palo Alto Cortex, Splunk, SentinelOne, Google Security Operations, CrowdStrike and 4 more. Check integration compatibility with your existing security stack before deciding.

Atomicorp Atomic ModSecurity Rules & WAF and Stairwell serve similar Detection Engineering use cases. Review the feature comparison above to determine which fits your requirements.