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How to create a strong password (and actually remember it)

📅 April 2026⏱ 4 min read🏷 Security

A password like password123 takes less than a second to crack. Summer2024! takes around three minutes. A strong password like Tr#9!mK2@vLq would take centuries. The difference is everything — but most people are still using the first kind.

What makes a password weak

❌ Weak
Any word from a dictionary
Names, birthdays, pet names
Sequences (123456, abcdef)
Short passwords (under 10 chars)
Reusing the same password
✅ Strong
12+ characters minimum
Mix of upper, lower, numbers, symbols
No real words
Unique per account
Not based on personal info

Hackers don't sit there typing guesses. They use software that runs billions of combinations per second using dictionaries, common substitutions (@ for a, 3 for e) and known password patterns. If your password follows any predictable human pattern, it can be cracked.

The two rules that matter most

Length beats complexity. A 16-character password made of random words is stronger than a 10-character jumble of symbols. Every extra character multiplies the time to crack exponentially.

Unique per site. If you reuse passwords, one breached site gives attackers access to everything. This is how most accounts get compromised — not by someone cracking your specific password, but by stuffing a leaked database into another site.

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A system for remembering passwords

The biggest reason people use weak passwords is that strong ones are impossible to remember. Here's the solution: don't try to remember them.

Use a password manager (Bitwarden is free and open source, 1Password and Dashlane are paid options). You remember one strong master password. The manager generates and stores a unique random password for every site. You never type another site password manually.

If you must create a memorable strong password (for the password manager itself, or for work systems), try a passphrase: four random common words strung together. correct-horse-battery-staple is both memorable and extremely hard to crack — it's 28 characters and doesn't follow any pattern a dictionary attack would find.

Common mistakes to avoid

Quick checklist