OnSecurity vs. Synack
A side-by-side comparison based on G2 review data.
| Metric | OnSecurity | Synack |
|---|---|---|
| Overall rating | 4.9 | 4.8 |
| Review count | 37 | 21 |
| Ease of use | 9.6 | 9.7 |
| Ease of setup | 9.6 | 9.6 |
| Quality of support | 9.9 | 9.9 |
| Meets requirements | 9.7 | 9.7 |
| NPS | 94.444444 | 90.47619 |
| Small Business | 64.9% | 14.3% |
| Mid-Market | 29.7% | 14.3% |
| Enterprise | 5.4% | 71.4% |
| Total page views | 302 | 696 |
| Total LLM citations | 420 | 2,118 |
OnSecurity
OnSecurity is the CREST-accredited AI-augmented penetration testing platform that unifies expert-led manual testing, continuous vulnerability management, and remediation tracking in one connected programme. Built by penetration testers for security and engineering teams, OnSecurity's Platform moves organisations beyond one-off, point-in-time pentests to an always-on offensive security programme.
Synack
Synack is a continuous penetration testing platform that combines agentic AI with a global network of vetted security researchers to uncover real, exploitable vulnerabilities across the entire attack surface. Most organizations test only a fraction of what matters. Synack closes that coverage gap—using AI to scale discovery and human expertise to validate real risk.