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The OSI and TCP/IP model
Introduction Now this might seem a bit random, but I’ve always been intrigued by both, the OSI model especially. It really was the first thing I ever learned about networking, more than 25 years ago. I’ve been very busy the last weeks with work, Hacker Holidays, a couple of my own projects, etc. I’ve been…
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Google’s Networks and Network Security
Introduction As part of tackling the Google’s Cybersecurity Professional Certificate, I’ll share the cliff notes on the courses as I go. Dense summaries of what actually matters. Today: Connect and Protect: Networks and Network Security Traffic and architecture An entry level analyst parses logs and analyzes traffic across network layers. Physical infrastructure includes firewalls (first…