Features, pricing, ratings, and pros and cons, compared head to head.
A Security is a commercial red-team & adversary emulation tool by A Security. C3 is a free red-team & adversary emulation tool. Compare features, ratings, integrations, and community reviews side by side to find the best red-team & adversary emulation fit for your security stack. Independent and vendor-neutral: we never sell rankings.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Red teamers and penetration testers who need to quickly prototype custom C2 channels without writing infrastructure from scratch should use C3; its integration with existing offensive toolkits like Metasploit and Cobalt Strike cuts weeks off typical channel development. The framework ships with working examples for HTTP, DNS, and HTTPS protocols, letting operators focus on evasion logic rather than socket programming. Skip this if your team needs a polished UI or commercial support; C3 is deliberately a builder's tool for operators comfortable with code.
Autonomous offensive security platform that finds, validates, and remediates attack paths.
C3 is a framework by WithSecureLabs for rapid prototyping of custom command and control channels that integrates with existing offensive security toolkits.
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Common questions about comparing A Security vs C3 for your red-team & adversary emulation needs.
A Security: Autonomous offensive security platform that finds, validates, and remediates attack paths. built by A Security. Core capabilities include Continuous 24/7 automated attack campaigns, Attack path discovery and prioritization, Exploit chaining into validated kill-chains..
C3: C3 is a framework by WithSecureLabs for rapid prototyping of custom command and control channels that integrates with existing offensive security toolkits..
Both serve the Red-Team & Adversary Emulation market but differ in approach, feature depth, and target audience.
A Security is developed by A Security. C3 is open-source with 1,735 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.
A Security and C3 serve similar Red-Team & Adversary Emulation use cases: both are Red-Team & Adversary Emulation tools, both cover Red Team. Key differences: A Security is Commercial while C3 is Free, C3 is open-source. Review the feature comparison above to determine which fits your requirements.
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