Fantastic passwords and where to find them - at NoRuKo

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FANTASTIC PASSWORDS AND WHERE TO FIND THEM @philnash

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Phil Nash @philnash @phil_nash https://philna.sh [email protected]

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My first password: “nash” “atom” @philnash

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I GOT HACKED @philnash

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PASSWORDS ARE TERRIBLE @philnash

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GUIDELINES @philnash

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Guidelines • Uppercase • Lowercase • Numbers • Special characters @philnash

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password @philnash

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Password1! @philnash

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Guidelines Change passwords regularly @philnash

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Password123! @philnash

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PATTERNS @philnash

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Password1! @philnash

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ULLLLLLLDS @philnash

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AN EXAMPLE @philnash

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Western Australia Government Security Audit 234,000 passwords were assessed 1/4 of passwords were deemed "weak" passwords 1,464 passwords were "Password123" (source) @philnash

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Western Australia Government Security Audit @philnash

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My "best" password • 8 characters long • Numbers and letters (uppercase only) • Model number of my hi-ﬁ @philnash

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I GOT HACKED @philnash

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REPETITION @philnash

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BREACHES @philnash

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@philnash

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HOW DO WE FIX THIS? @philnash

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THE GUIDELINES WERE WRONG @philnash

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@philnash

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New guidelines From the ACSC, the NCSC and NIST • At least 13 characters • Accept all characters • Don't allow insecure passwords • Dictionary words • Repeated or sequential characters (e.g. ‘aaaaaa’, ‘1234abcd’) • Context speciﬁc words (e.g. username, email, app name) • Passwords that have been in a breach @philnash

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IN RUBY? @philnash

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Devise config.password_length = 6..128 @philnash

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Authlogic validates :password, confirmation: { if: require_password? }, length: { minimum: 8, if: require_password? } 01. 02. 03. 04. 05. 06. @philnash

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Clearance # Nothing @philnash

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Suggestions validates :password, length: { minimum: 14 } nobspw strong_password zxcvbn @philnash

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nobspw pwc = NOBSPW::PasswordChecker.new password: 'philnashrules', name: 'Phil Nash', username: 'philnash', email: '[email protected]' pwc.strong? pwc.weak? pwd.weak_password_reasons 01. 02. 03. 04. 05. 06. 07. @philnash

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zxcvbn test = Zxcvbn.test("philnashrules", ["philnash"]) test.score test.feedback.suggestions 01. 02. 03. @philnash

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DEMO @philnash

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INSECURE PASSWORDS? @philnash

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PWNED PASSWORDS @philnash

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Pwned Passwords 572,611,621 passwords previously exposed in data breaches @philnash

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Pwned Passwords API ⚠ Don't worry ⚠ @philnash

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Pwned Passwords API 1. Get the SHA1 hash of the password 2. Take the ﬁrst 5 characters of the hash 3. https://api.pwnedpasswords.com/range/#{prefix} 4. Check if the remainder of the hash is in the result @philnash

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PWNED GEM @philnash

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DEMO @philnash

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Pwned https://github.com/philnash/pwned devise-pwned_password @philnash

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NEXT LEVEL @philnash

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TWO FACTOR AUTHENTICATION @philnash

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PASSWORDS ARE TERRIBLE @philnash

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PASSWORD GUIDELINES ARE WORSE @philnash

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MAKE PASSWORDS LONGER @philnash

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CHECK AGAINST BREACHES AND DICTIONARIES @philnash

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IMPLEMENT TWO FACTOR AUTHENTICATION @philnash

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Thanks! @philnash @phil_nash https://philna.sh [email protected]

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Tom Carr @ItsMeTomC "Your password must contain at least 8 letters, a capital, a plot, a protagonist with good character development, a twist & a happy ending." 1156 PM · Oct 13, 2014 3.3K 4.7K people are Tweeting about this @philnash