KeyChest Blog

What are the impacts of cryptography in IT?

May 19, 2019 9:18:49 PM / by Dan posted in security, quora, risk management

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Let me assume your question is about the impact on IT users. If you want to think about cryptography as a mechanism to achieve a business / user value, you can see it as a means to extend “trusted environment”.

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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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What would happen within one year after RSA got suddenly broken?

May 19, 2019 9:10:02 PM / by Dan posted in security, quora, incident response

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It is not so hypothetical question as ROCA attack gave as a taste of that in Autumn 2017. A lot of stuff was happening behind the scenes and I believe there are many enterprises yet to realise some important vulnerabilities (e.g., encrypted documents without proper protection).

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What are online security certificates, SSL, HTTPS and how do they work?

May 19, 2019 9:05:55 PM / by Dan posted in https, key management, quora

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If you’re interested in technical details, the best really is to read relevant standards. However, it’s relatively easy to give you a good idea of what they are.

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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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