Information
Password Security Guides
Start with the task you need to solve. Each guide links standards, practical steps and the relevant private tool.
Creating strong credentials
How to Create a Strong PasswordLength, uniqueness, randomness and service compatibility.How Long Should a Password Be?Risk-based recommendations for 12, 16, 20 and longer credentials.Password vs PassphraseChoose the right format for stored and memorized secrets.How Password Generators WorkWeb Crypto, character pools, bias and verification.Password EntropyWhat the mathematics means and where it fails.
Managing passwords and recovery
Attacks and guessing
Standards and modern authentication
How to use these guides
Use a generator when you need a new credential, the strength checker when you need to understand a human-created pattern, and the guides when you need to choose a policy or respond to an incident. No article can replace the target service policy or an organization-specific risk assessment.
Sources are linked near important claims and collected at the end of substantive guides. Pages show the author and review date so time-sensitive platform requirements can be rechecked.