Password Security Calculators

57 free password security calculators in Cyber Security.

Account Lockout Threshold CalculatorTrade a lockout threshold against helpdesk cost and how much of a common-password list an attacker can still test.
Annual Rate of OccurrenceFree Annual Rate of Occurrence calculator with clear step-by-step results.
Annualized Loss ExpectancyFree Annualized Loss Expectancy calculator with clear step-by-step results.
Asset Risk ScoreFree Asset Risk Score calculator with clear step-by-step results.
Attack Surface ScoreFree Attack Surface Score calculator with clear step-by-step results.
Authentication Health Score CalculatorScore the whole authentication estate — MFA, phishing resistance, SSO, policy, stale accounts — and get the top gap.
Authentication Success Rate CalculatorMeasure login health: success and failure rates, MFA completion, attempts per successful login and lockout rate.
Backup Recovery PointFree Backup Recovery Point calculator with clear step-by-step results.
Brute Force Attack Time CalculatorWork out worst-case and average brute-force time for any keyspace at an attack rate you set yourself.
Control ROIFree Control ROI calculator with clear step-by-step results.
Credential Exposure CalculatorTurn dark-web credential findings into the accounts genuinely at risk after cracking, reuse and MFA are accounted for.
Credential Stuffing Risk CalculatorSize a credential stuffing campaign: how many stolen pairs authenticate, how many MFA stops, and the loss that remains.
CVSS VectorFree CVSS Vector calculator with clear step-by-step results.
Cyber Risk ScoreFree Cyber Risk Score calculator with clear step-by-step results.
Data Breach CostFree Data Breach Cost calculator with clear step-by-step results.
Dictionary Attack Probability CalculatorEstimate the chance a dictionary and rule-mangling attack finds a password, and how long exhausting the wordlist takes.
Exposure ScoreFree Exposure Score calculator with clear step-by-step results.
Firewall ThroughputFree Firewall Throughput calculator with clear step-by-step results.
Hash Cracking TimeFree Hash Cracking Time calculator with clear step-by-step results.
HOTP Counter CalculatorCheck RFC 4226 HOTP counter drift against the look-ahead window and price the false-accept risk that window creates.
Identity Theft Risk CalculatorEstimate your annual and five-year identity theft risk from breach exposure, credential reuse and the controls you have.
Incident Response CostFree Incident Response Cost calculator with clear step-by-step results.
Incident Response StaffingFree Incident Response Staffing calculator with clear step-by-step results.
Key Rotation ScheduleFree Key Rotation Schedule calculator with clear step-by-step results.
MFA Risk ReductionFree MFA Risk Reduction calculator with clear step-by-step results.
MFA Security CalculatorModel how much account takeover multi-factor authentication actually prevents, given the method and your enrolment rate.
Minimum Password Length CalculatorFind the shortest password that reaches a target entropy in bits, or that survives a target number of years of attack.
OTP Lifetime CalculatorBalance one-time-passcode length, validity window and attempt limits against the odds an attacker guesses the code.
Passphrase Strength CalculatorScore a diceware passphrase in bits, using the EFF 7776-word list at 12.925 bits per word, and see its crack time.
Password Complexity CalculatorTurn a composition policy into the character set, combination count and entropy it actually produces.
Password Crack Time CalculatorEstimate how long an offline attack needs to crack a password, using real GPU hash rates for MD5, bcrypt and Argon2id.
Password Entropy Score CalculatorScore password entropy in bits from its length and character set, with the full keyspace and a strength band.
Password Expiry CalculatorTrack how many days remain before a password expires, when the warning window opens, and whether a change is allowed yet.
Password Hygiene Score CalculatorRoll uniqueness, MFA coverage, length, breach exposure and manager use into one 0–100 password hygiene score.
Password Manager Coverage CalculatorMeasure real password manager coverage across licences, active users and the share of credentials actually vaulted.
Password Reuse Risk CalculatorQuantify the blast radius of password reuse: accounts per password, reuse rate and the odds one of them is breached this year.
Password Rotation CalculatorPrice a forced password rotation policy: resets per year, helpdesk hours, annual cost and the average exposure window.
Password Rotation ScheduleFree Password Rotation Schedule calculator with clear step-by-step results.
Password Strength Score CalculatorTurn length, character classes, breach status and dictionary content into a single 0–100 password strength score.
Phishing Simulation RateFree Phishing Simulation Rate calculator with clear step-by-step results.
PIN Strength CalculatorScore a numeric PIN against both blind guessing and an attacker who tries the most common PINs first.
Ransomware Recovery CostFree Ransomware Recovery Cost calculator with clear step-by-step results.
Risk AcceptanceFree Risk Acceptance calculator with clear step-by-step results.
Security Awareness ScoreFree Security Awareness Score calculator with clear step-by-step results.
Security Control CoverageFree Security Control Coverage calculator with clear step-by-step results.
Security Event RateFree Security Event Rate calculator with clear step-by-step results.
Security Log StorageFree Security Log Storage calculator with clear step-by-step results.
Security Question Strength CalculatorMeasure how weak knowledge-based answers really are, combining guessability with the chance the answer is public.
Security Risk ScoreFree Security Risk Score calculator with clear step-by-step results.
Security Training CompletionFree Security Training Completion calculator with clear step-by-step results.
Single Loss ExpectancyFree Single Loss Expectancy calculator with clear step-by-step results.
Third Party Risk ScoreFree Third Party Risk Score calculator with clear step-by-step results.
TLS Certificate ExpiryFree TLS Certificate Expiry calculator with clear step-by-step results.
TOTP Validity CalculatorSize the RFC 6238 TOTP acceptance window from the time step and drift tolerance, and see the clock skew it forgives.
Vendor Risk ScoreFree Vendor Risk Score calculator with clear step-by-step results.
VPN User CapacityFree VPN User Capacity calculator with clear step-by-step results.
Vulnerability SeverityFree Vulnerability Severity calculator with clear step-by-step results.