How to Create a Strong Password in 2026

- 2 minutes read - 313 words

Most people know their passwords are weak. The problem is that the old advice – mix uppercase, lowercase, numbers, and symbols – produces passwords that are hard for humans to remember and easy for computers to crack.

Here is what actually works.

Length beats complexity

A 20-character passphrase made of common words is stronger than an 8-character string of random symbols. The math is simple: every additional character multiplies the number of possible combinations.

  • Tr0ub4dor&3 – 28 bits of entropy, crackable in hours
  • correct horse battery staple – 44 bits of entropy, takes years

The NIST guidelines (SP 800-63B) now recommend long passphrases over short complex passwords.

Use a passphrase

Pick four or five unrelated words and string them together. Add a number or symbol between them if the site requires it.

Good examples:

  • marble-kitchen-rover-sunset
  • plank7ocean!cactus9drift

Bad examples:

  • password123 (obvious)
  • iloveyou2026 (predictable pattern)
  • qwerty!@#$ (keyboard pattern)

Never reuse passwords

Every account should have a unique password. When a site gets breached (and they do), attackers try the stolen credentials on every other site. One reused password compromises everything.

This is where password managers become essential. No human can remember 100+ unique passwords.

Enable two-factor authentication

A strong password is your first line of defense. Two-factor authentication (2FA) is your second. Even if your password is stolen, an attacker cannot log in without the second factor.

Prefer authenticator apps (Authy, Google Authenticator) or hardware keys (YubiKey) over SMS-based 2FA. SIM-swapping attacks make SMS the weakest 2FA option.

Check if you have been compromised

Visit Have I Been Pwned and enter your email address. If your credentials appeared in a known breach, change those passwords immediately.

Summary

  1. Make passwords long (16+ characters)
  2. Use passphrases instead of random character strings
  3. Never reuse a password across sites
  4. Use a password manager to handle the complexity
  5. Enable two-factor authentication everywhere you can
  6. Check Have I Been Pwned regularly