Free Cybersecurity Tools
Free assessments, calculators, and libraries. No signup โ runs entirely in your browser.
๐ฆ๐บ Essential Eight Gap Assessment
Score your Essential Eight maturity and get a prioritised remediation plan.
Start assessment โ Assessment๐ Security Stack Maturity Score
Radar chart your maturity across 8 domains with industry benchmarks.
Take assessment โ Simulator๐ฅ Breach Blast Radius Simulator
See your estimated dwell time, ransomware odds, and recovery cost from real breach data.
Run simulation โ Calculator๐ฏ Security Control Coverage Calculator
Map your stack against NIST CSF, Essential Eight, and CIS Controls โ spot gaps instantly.
Check coverage โ๐ก๏ธ AI Security Landscape Explorer
Filterable directory of 50+ AI security tools by category, deployment, and pricing.
Explore tools โ Library๐ SOC Automation Playbook Library
25 MITRE ATT&CK playbooks with detection logic, Splunk SPL & Sentinel KQL included.
Browse playbooks โ Library๐ค AI Prompt Library for Security Teams
40 copy-paste prompts for IR, threat hunting, and malware analysis โ organised by skill level.
Browse prompts โ Reference๐ฐ Cyber Vendor Pricing Reality Checker
Real pricing for 32 vendors โ find out if you're overpaying and how to negotiate.
Check pricing โ๐ Upload-to-LLM Risk Scanner
Catch PII, secrets, and credentials before you paste them into an LLM. Fully client-side.
Scan text โ Calculator๐ Log Source Priority Calculator
Rank which log sources to ingest first for your SIEM โ tailored to your org.
Calculate priorities โ Security๐จ DoppelDown โ Domain Lookalike Scanner
Find the lookalike domains and typosquats attackers will use to phish your team.
Check domain โ Analyzer๐ฃ Phishing Email Analyzer
Paste headers and body to check SPF/DKIM/DMARC, flag dodgy links, and spot social engineering.
Analyze email โ Auditor๐ Password Policy Auditor
Score your AD/Entra password policy against NIST, Essential Eight, and CIS Controls.
Audit policy โ