#IP

China is making a Massive switch to IPv6

Eric Ilmberger CNT 52 As China hosts the largest population on the planet, it only makes sense that they would need more IP addresses to...

TCP/IP v4 Intro

Introduction to TCP/IP v 4 and Subnet Masking. This is foundational knowledge needed for any computer networking career. Here is a brief...

Subnetting Demystified

Here is a set of videos that cover subnetting. This series, by Bosen software, covers CIDR notation, Address Classes, Binary math, IP...

Private Mode not so Private

Many network students know that IPv4 has a limited number of addresses available for use on the Internet. To remedy the situation, three...

What is a Distributed Denial of Service (DDoS) Attack

Today there has been a major distributed denial of service (DDoS) attack on the internet. Targeting specifically the DNS (domain naming...

Annual Cyber Reports

Reporting to Council: Why Local Governments Should Use the NIST Cybersecurity Framework

Webinar: The Board or Council's Role in Cyber Risk Management

Why Cybersecurity Needs to be Separated from IT in Local Governments

The Crucial Role of CISOs in Local Governments: Ensuring Good Governance and Cybersecurity

Does Security Awareness Work?

The Visible Ops Handbook

Cybersecurity Takes Teamwork

What you need to know about ransomware

Notes on Ransomware