Attack Surface Area Calculator
Calculate your application attack surface from endpoints, weighting by exposure type. Public (3x), authenticated (2x), internal (1x) scoring.
Free Security Calculators
23 toolsPassword entropy, risk assessment, and threat tools. Browse our free security tools below — no sign-up required.
Brute Force Time Calculator
Calculate brute-force attack time for any keyspace. Compare online, offline, and GPU attack speeds to assess password and key security.
Bug Bounty ROI Calculator
Calculate bug bounty program ROI from bounty payouts, management costs, and estimated breach prevention value. Justify your bounty budget.
Certificate Expiry Countdown Calculator
Calculate days remaining until SSL/TLS certificate expiration. Get urgency status and renewal reminders based on your cert dates.
Certificate Renewal Cost Calculator
Estimate annual SSL/TLS certificate costs including cert price, domain count, and IT management hours. Plan your certificate budget.
Code Vulnerability Density Calculator
Calculate vulnerability density as defects per 1,000 lines of code. Classify severity by industry thresholds and track code quality.
CVSS Score Calculator
Calculate CVSS v3.1 Base Score from attack vector, complexity, privileges, user interaction, scope, and CIA impact metrics.
DAST Scan Time Estimator
Estimate dynamic application security testing scan duration from page count, average test time per page, and crawl depth factor.
Data Breach Cost Estimator
Estimate total data breach cost from record count, per-record cost ($164 avg), notification, legal, and remediation expenses.
DLP Implementation Cost Calculator
Calculate data loss prevention implementation costs from license fees, deployment hours, policy tuning, and ongoing management expenses.
Insider Threat Cost Calculator
Estimate insider threat incident costs from investigation, data loss, remediation, legal expenses, and productivity impact factors.
JWT Lifetime Calculator
Configure JWT access and refresh token lifetimes. See timestamps for issued, expiry, and refresh schedule with recommended TTL ranges.
MFA Adoption Impact Calculator
Calculate risk reduction from MFA deployment. See how adoption rate and MFA effectiveness (99.9%) reduce account compromise probability.
Password Crack Time Calculator
Estimate how long it takes to crack a password using brute force. Compare GPU attack speeds for different password lengths and charsets.
Password Entropy Calculator
Calculate password entropy in bits based on length and character set size. Evaluate password strength tiers from weak to very strong.
Password Strength Checker
Score password strength from 0–4 based on length, charset diversity, dictionary patterns, and entropy. Get actionable improvement tips.
Phishing Risk Score Calculator
Calculate organizational phishing risk score from training coverage, click rates, MFA adoption, and exposure. Score 0-100 with risk level.
Risk Assessment Calculator
Calculate risk score from likelihood and impact ratings (1-5 scale). Visualize results in a risk matrix heatmap with severity levels.
SAST Finding Rate Calculator
Calculate static analysis finding rate and false positive rate from SAST scan results. Track true vs false positive trends over time.
Security Training ROI Calculator
Calculate ROI of security awareness training from incidents prevented, average incident cost, and total training investment per employee.
Session Timeout Calculator
Calculate re-authentication frequency from session and timeout durations. Estimate annual re-auth events and productivity impact.
Threat Model Score Calculator
Score threats using the STRIDE model. Rate Spoofing, Tampering, Repudiation, Info Disclosure, DoS, and Elevation for aggregate risk.
Token Expiry Calculator
Calculate token expiration time from issue timestamp and TTL. See remaining seconds, minutes, and hours until your auth token expires.