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A. Hersean

I'm a software developer and an information security expert. I earn my living by developing software for security professionals and by doing security audits.

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Top Questions
Top Answers
120
Expert quote on entropy for uncrackable password
security.stackexchange.com

120
Can "Accept cookie" button in a website be malicious?
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69
Can a CA decrypt HTTPS traffic?
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41
Does password expiry provide any benefit at all (when using randomly generated passwords)?
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39
Are 7-Zip password-protected split archives safe against hackers when they are password-protected a couple of times?
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39
Protecting a private key by spreading it over multiple places
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38
Is encryption in transit distinct from end-to-end encryption?
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32
Is there any solution beside TLS for data-in-transit protection?
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30
How does "Somewhere you are" authentication add further security?
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29
Is it common practice to take multiple hashes of the same object?
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27
Why does an encryption key derived from your lock screen password give you stronger protection (in Android 11)?
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25
Why do people hide their license plates in the EU?
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24
Can a virus infection spread from a PC to a PCB and back to a PC?
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16
How secure is iterative password enhancement?
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16
How to be mean to some people that stole my phone
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13
Force user to remove USB token
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12
Using SHA-256 to preprocess password before bcrypt?
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12
Have I properly destroyed my SSD?
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11
Is it possible for someone to see under the "blacked out" part of this image (see below)?
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11
What issues are there while using Linux's /dev/urandom for generating cryptographic keys?
crypto.stackexchange.com

9
What websites would I be allowed to DoS?
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9
Why isn't ElGamal a symmetric-key scheme?
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8
Are bad passwords used to breach security in real life?
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8
How can I demonstrate SSL/TLS to 10 year olds?
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8
What are the actual merits of Galois/Counter Mode?
crypto.stackexchange.com

8
Memory encryption against memory leaks
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8
How is SIM blocking enforced?
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8
Can I use WhatsApp to securely send public key, symmetric key and private key?
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7
Why are static password requirements used so frequently?
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7
Why does Spring Security unset and set the same Cookie in one Request?
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