⚠ CLASSROOM RULE: NEVER ENTER YOUR REAL PASSWORD

Password Weakness Testers

Select a tool below to demonstrate password concepts.

How Secure Is My Password?

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Best Visuals

This tool provides immediate feedback with a changing background color and a "Time to Crack" estimate. It is excellent for catching students' attention instantly.

🎓 Demo Tip: Start with password (cracks instantly), then try correct-horse-battery-staple to show how length beats complexity.
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GRC Password Haystacks

Gibson Research Corp

Entropy Math

This tool visualizes the "Search Space." It teaches the concept of Entropy by showing how many passwords a hacker would have to search through to find yours (The Needle in the Haystack).

🎓 Demo Tip: Compare a short complex password (Tr0ub4dor&3) vs. a long simple sentence. Watch the "Search Space Depth" numbers explode.
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Have I Been Pwned?

Troy Hunt

Real World Risk

This checks if a password has already appeared in a data breach. It teaches that even a mathematically strong password is useless if it's already on a hacker's list.

🎓 Demo Tip: Enter P@ssword. The screen will turn red showing it has been seen millions of times. (Note: It is safe to check the 'Pwned Passwords' section).
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