Studying for the Cisco Certified Network Associate exam Why I’m Getting The CCNA (Cisco Certified Network Associate) Certification I decided to study for the CCNA because I ultimately started part of the CCNA CyberOps curriculum in high school and really fell in love with the concepts of networking. While I…
pfSense Firewall Project, Developing A Secure Home Environment and Documenting New Technologies
Overcoming Challenges and Achieving Success The Ambition, The Journey, The Struggles, and The Outcome I recently undertook the deployment of a pfSense firewall solution in my home network. Although it was a project I had wanted to tackle since 2019, I encountered various challenges along the way. However, with perseverance…
LinkedIn Job Scam, Detecting Scammers who use Job Boards as a vector for email harvesting and phishing campaigns
Too good to be true? It probably is. An email interview? REALLY? So, I was in the midst of applying for jobs here and there, and I’m sure everyone loves to use the LinkedIn easy-apply feature, because it’s super convenient, right? But, it introduces some irritating threat actors who abuse…
Analyzing Malicious Traffic, A lab on repackaging executable files and forming a conclusion on malicious network data
Let’s take a look at the “Okay Boomer” .pcap file Introduction Today’s blog post is about analyzing malicious traffic with network packet capture files. These files are also known as .pcap files, and they provide a historical snapshot of network data. If you choose to follow along with this lab,…
Why I started DavidInfosec.com
Hello World. This is the beginning of a blog focused around information security. I had the idea to start it after dabbling with homelabs and other miscellaneous projects. I figured, with all things considered, I should document my progress in some form, so I am choosing to blog it. Why I…