KeyChest Blog

FBI for passphrases - Cambridge Uni disagrees

Feb 23, 2020 5:58:01 PM / by Dan posted in security, password

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This week, in its weekly tech advice column known as Tech Tuesday, the FBI Portland office positioned itself on the side of longer passwords. Would that really make a difference?

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Is a password of 20 characters strong enough to use?

Jun 14, 2019 2:03:03 PM / by Dan posted in security, quora, password

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It could be but it may not, it depends on how random those 20 characters are. Let me demonstrate the thought with 2 common attacks on passwords. These attacks are:

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What is the SHA-256 fingerprint?

Jun 14, 2019 1:42:08 PM / by Dan posted in identity, quora, password

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It is a digital fingerprint we use to compare two documents or to check if a document has been changed.

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Is Biometric authentication on smartphones secure?

May 19, 2019 9:21:18 PM / by Dan posted in key management, quora, password

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No answer is universally correct but here’s two use-cases so you can pick which is more appropriate for you.

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Are passwords really more secure if they must be so complex that I can't remember them and write them down?

May 19, 2019 9:15:37 PM / by Dan posted in security, quora, password, risk management

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Let me start with a question - why do banks believe that 4 digit PIN on your credit card is secure when a random guess have a chance of 1 in 10,000 to be correct. Does 3496 sound that much more secure than “password123” ?

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How secure is a 10 digit passcode with numbers ranging from 1-10?

May 19, 2019 9:14:10 PM / by Dan posted in security, quora, password

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I don’t think anyone can answer this question.

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Will we ever stop using passwords for data protection?

May 19, 2019 4:48:04 PM / by Dan posted in quora, password

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I have been closely following authentication methods over the last 10 years or so and here’s a short list of my thoughts:

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