Security calculators
Practical security tools with documented assumptions.
Showing 9 of 9 calculators
Security
View category →Brute-Force Time Estimator
Estimate exhaustive search time under explicit attack assumptions.
Open calculator →CVSS 3.1 Base Score
Estimate CVSS 3.1 base severity from numeric impact and exploitability components.
Open calculator →Encryption Storage Overhead Calculator
Estimate additional storage from per-record encryption metadata.
Open calculator →Hash Collision Probability Calculator
Approximate birthday-bound collision probability for random hashes.
Open calculator →Password Entropy Calculator
Estimate the entropy of randomly generated passwords.
Open calculator →Password Policy Strength Calculator
Estimate the entropy of a uniformly random password under a character-set policy.
Open calculator →Password Spray Duration
Estimate campaign duration given account count and lockout-aware rate.
Open calculator →SIEM EPS Capacity Calculator
Estimate peak events-per-second ingest capacity with headroom.
Open calculator →TOTP Validity Window Calculator
Calculate accepted time window from TOTP step size and drift tolerance.
Open calculator →