SCADAShutdownTool vs Arjun: 2026 Comparison
SCADAShutdownTool is a free penetration testing tool. Arjun is a free penetration testing tool. Compare features, ratings, integrations, and community reviews side by side to find the best penetration testing fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Industrial control system penetration testers who need hands-on enumeration and register manipulation will use SCADAShutdownTool to validate SCADA controller hardening without commercial licensing friction. The free pricing and GitHub availability mean you can spin it up in lab environments immediately and integrate it into your testing workflows without vendor lock-in or budget cycles. Skip this if you're looking for multi-protocol fuzzing, forensics, or any scanning beyond direct register interaction; it's a focused testing primitive, not a platform.
Pentesters and bug bounty hunters who need to enumerate hidden HTTP parameters fast will find Arjun indispensable; it discovers parameters that manual fuzzing misses by testing thousands of candidates against common wordlists. The 5,800+ GitHub stars and active community indicate sustained real-world adoption among practitioners who value speed over UI polish. Skip this if you need a full-featured burp suite alternative or graphical workflow; Arjun is a focused CLI tool that does one thing exceptionally well.
