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Password strength Dr. X
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Logistics Project: Declare your teams!
Proposal presentations on Feb. 16!!! Homework due on Feb. 14
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What makes a strong password?
Length? Special characters? Numbers?
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Websites that measure your password strength
Use these two sites with as many passwords as you can use in 5 mins. Report your observations. What makes a strong password? Should you trust these websites and put your real password…?
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Password managers LastPass: https://www.lastpass.com/
Dashlane: Use two factor authentication Keep some passwords in your head: A couple of important addresses Banking
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How do we protect passwords?
Hashing We need to save passwords. Why? If we save passwords like this: Is that safe?
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Hashing explained If your database looks like this:
Can you guess the password? Possibly… Add some salt: random numbers, letters More difficult Add two factor authetication...
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Hashing explained https://www.youtube.com/watch?v=--tnZMuoK3E
Dictionary attack Brute force attack
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Tips for good passwords
Never use a dictionary word Avoid using your pet’s name, parent name, your phone number, driver’s license number or anything which is easy to guess. Avoid using passwords with sequence or repeated characters: For Ex: , or qwerty, asdfgh. Password dress: content/uploads/2013/12/IMG_5014.jpg
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One more piece of advice
Change password often… The more time a hacker has, they may find your password Change your password especially if you hear about compromised sites/social media etc.
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