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