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XKCD #936: Short complex password, or long dictionary passphrase?

passwords cryptography entropy usability

Apr 5 at 10:35 luchonacho 1,331

809

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14

answers

149k

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What technical reasons are there to have low maximum password lengths?

passwords password-policy

Aug 31 '18 at 15:22 learnAsWeGo 103

574

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23

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137k

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How does changing your password every 90 days increase security?

authentication passwords password-management

Jun 25 '18 at 14:23 SilverlightFox 30.7k

543

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20

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How can I explain SQL injection without technical jargon?

sql-injection

Jun 3 '16 at 0:20 Community♦ 1

292

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20

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49k

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How can someone go off-web, and anonymise themselves after a life online?

anonymity

Dec 10 '14 at 15:42 Community♦ 1

286

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7

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71k

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What's the rationale behind Ctrl-Alt-Del for login

authentication windows password-management

Mar 14 '16 at 18:09 Community♦ 1

240

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17

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27k

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Passwords being sent in clear text due to users' mistake in typing it in the username field

passwords authentication logging siem

Jun 2 '16 at 20:59 Community♦ 1

177

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12

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52k

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How is an ATM secure?

attack-prevention physical atm

Jul 28 '17 at 9:15 Matthew 26.5k

44

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2

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Risks of a PHP image upload form

php attack-prevention file-upload

Feb 9 '17 at 16:19 Community♦ 1

35

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37k

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Is the HTTP TRACE method a security vulnerability?

http

Apr 30 '14 at 13:37 boleslaw.smialy 1,539

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Is strong cryptography legal across the internet?

cryptography legal

Jul 16 '11 at 0:40 Community♦ 1

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