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Josiah

I completed a 4 year MCompSci at Oxford in 2016. I then worked as a software developer at a small biometric security company, and have since moved to developing analysis software for microscopy. I try to develop my understanding of both low level implementation details and high level conceptual constraints and opportunities.

Beyond tech, I enjoy casual debate, science, philosophy and theology.

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46 Does a buffer overflow vulnerability always mean a code execution vulnerability? Nov 27 '19
32 Security BY obscurity is horrible. Is security AND obscurity good? May 30 '18
30 Is using haveibeenpwned to validate password strength rational? Jun 3 '19
19 Is divide-by-zero a security vulnerability? Mar 4 '19
16 Why do many websites hide input when entering an OTP? Sep 27 '19
12 Why are non-collision-resistant hash functions considered insecure for signing self-generated information Aug 23 '19
7 How can we eliminate passwords given the problems with biometric authentication? Jul 7 '20
4 What is the risk of an attacker inserting new password hashes? Aug 29 '19
1 Emergency method to erase all data off a machine within seconds Jul 22 '20
1 How to provide two factor authentication code text messages, so that they are not shown on the lock screen? Jun 15 '19
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