Features, pricing, ratings, and pros and cons, compared head to head.
Core Security Outflank Security Tooling is a commercial red-team & adversary emulation tool by Core Security. Merlin 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:
Core Security Outflank Security Tooling
Mid-market and enterprise red teams will find Outflank Security Tooling essential for testing EDR bypass at scale; its steganography-based payload concealment and unpublished EDR evasion techniques let operators validate detection gaps that commodity toolkits can't expose. The continuous operator documentation and Cobalt Strike integration mean your team stays current as vendors patch, and on-premises deployment keeps artifacts off shared infrastructure. Skip this if your mandate is offensive security without a specific EDR validation requirement; Outflank assumes you're already comfortable with advanced post-exploitation and are hunting for the gaps most red teams never find.
Red teamers and penetration testers running multi-stage engagements will find Merlin's HTTP/2 C2 framework invaluable for its lightweight Golang architecture and cross-platform flexibility, which sidesteps the detection signatures that plague Metasploit-based infrastructure. The 5,516 GitHub stars and active community contributions reflect real operational adoption, not theoretical interest. Skip Merlin if your team needs built-in evasion modules or OPSEC hardening out of the box; you're doing custom development here, which means smaller teams should budget engineering time accordingly.
Red team toolkit for EDR evasion, initial access, and post-exploitation.
A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.
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Common questions about comparing Core Security Outflank Security Tooling vs Merlin for your red-team & adversary emulation needs.
Core Security Outflank Security Tooling: Red team toolkit for EDR evasion, initial access, and post-exploitation. built by Core Security. Core capabilities include Advanced payload generation with AV/EDR evasion and anti-forensic capabilities, Office Intrusion Pack for phishing via malicious MS Office macros, Steganography-based payload concealment within image files..
Merlin: A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management..
Both serve the Red-Team & Adversary Emulation market but differ in approach, feature depth, and target audience.
Core Security Outflank Security Tooling is developed by Core Security. Merlin is open-source with 5,516 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.
Core Security Outflank Security Tooling and Merlin serve similar Red-Team & Adversary Emulation use cases: both are Red-Team & Adversary Emulation tools, both cover Post Exploitation, C2, Red Team. Key differences: Core Security Outflank Security Tooling is Commercial while Merlin is Free, Merlin is open-source. Review the feature comparison above to determine which fits your requirements.
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