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Author: JeffSoh

BPFs

 Introduction What are Berkeley Packet Filters? BPF’s are a raw (protocol independent) socket interface to the data link layer that allows filtering of packets in a very granular fashion1. BPFs were first introduced in 1990 by Steven McCanne of L…

Speed Kills

 In computer science, speed is all. Everything we do, we want to do as fast as possible. Right? No. Consider slow hashing algorithms. Some hashes are intentionally computationally expensive. Why? Because attackers have multi-GPU dedicated password…

Quick Tips

I’m going to start posting some quick tips for beginners in NetSec as I think of them..hope they’re helpful, and if they seem over obvious, remember we’re all at different points in our learning. Someone else may not encountered the information yet. Th…