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A secure password is one that's difficult for others to guess or crack through automated attacks. The strength of a password depends on its length, complexity, and randomness. Strong passwords protect your accounts from unauthorized access and data breaches.
Modern password security relies on creating passwords that are long enough and complex enough to withstand various attack methods, including brute force, dictionary attacks, and social engineering.
Longer passwords are exponentially more secure. Each additional character multiplies the possible combinations, making brute force attacks impractical.
Recommendation: Minimum 12 characters, preferably 16+
Using different types of characters (uppercase, lowercase, numbers, symbols) increases the character pool and makes passwords harder to crack.
Include: A-Z, a-z, 0-9, !@#$%^&*()_+-=<[]|;:,.<>?
Truly random passwords are unpredictable and can't be guessed through patterns, common words, or personal information.
Avoid: Names, dates, common words, patterns
Each account should have a completely different password. Reusing passwords across multiple accounts creates a security vulnerability.
Use: Different password for each account
Attackers try every possible combination of characters until they find the correct password. Strong passwords with high entropy make this attack computationally infeasible.
Attackers use lists of common words, names, and patterns to guess passwords. Random passwords with mixed character types defeat this approach.
Attackers gather personal information to guess passwords based on hobbies, family members, or important dates. Random passwords prevent this.
Attackers use pre-computed hash tables to crack passwords. Strong, unique passwords with high entropy make these tables ineffective.
Aim for at least 16 characters for maximum security
Mix uppercase, lowercase, numbers, and symbols
Use tools like this to create truly random passwords
Never reuse passwords across multiple accounts
Use a password manager to store and organize passwords
Change passwords immediately if there's a security breach, and consider changing them every 3-6 months for high-security accounts. Focus on creating strong, unique passwords rather than frequent changes.
Passphrases can be easier to remember while still being secure, but they must be truly random and long enough. Random passwords with mixed character types are generally more secure for the same length.
It's better to use a password manager than writing passwords down. If you must write them down, keep them in a secure, locked location and never store them digitally in plain text.
Most services offer password recovery options like email verification or security questions. Set up these recovery methods when creating accounts, and consider using a password manager to avoid forgetting passwords.