Greg Jørgensen
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Getting startedCustomizing Narrative
The Certified Information Systems Security ProfessionalThe Certified Information Systems Security Professional
📘
The Certified Information Systems Security Professional
Mar 1, 2022
Guides

Cybersecurity Guides and Topics

How to stop a NX Domain floodHow to stop a NX Domain flood
How to stop a NX Domain flood
Jan 23, 2026
Articles
Why I, a very average nearly-30-year-old, joined Cloudflare (non-executive version)Why I, a very average nearly-30-year-old, joined Cloudflare (non-executive version)
🥇
Why I, a very average nearly-30-year-old, joined Cloudflare (non-executive version)
Oct 25, 2025
Articles
Cloudflare Technical Implementation Walkthrough - Cloudflare tunnel, WAF, DNS, SecurityCloudflare Technical Implementation Walkthrough - Cloudflare tunnel, WAF, DNS, Security
Cloudflare Technical Implementation Walkthrough - Cloudflare tunnel, WAF, DNS, Security
Jul 3, 2025
Guides
Cool features of TCP + other sweet protocols Cool features of TCP + other sweet protocols
😶‍🌫️
Cool features of TCP + other sweet protocols
Jun 22, 2025
Articles
CAF and GovAssure (from the UK’s NCSC)CAF and GovAssure (from the UK’s NCSC)
CAF and GovAssure (from the UK’s NCSC)
Jun 7, 2024
Articles
Integrated Identity Management: LDAP, SCIM, and SSOIntegrated Identity Management: LDAP, SCIM, and SSO
🧑‍🏫
Integrated Identity Management: LDAP, SCIM, and SSO
Jun 6, 2024
Articles
What’s TCP IP? A further look into the protocol suite and modelWhat’s TCP IP? A further look into the protocol suite and model
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What’s TCP IP? A further look into the protocol suite and model
Jul 29, 2023
VideosArticles
Demystifying Zero Trust (NIST 800-207)Demystifying Zero Trust (NIST 800-207)
🚫
Demystifying Zero Trust (NIST 800-207)
Jul 21, 2023
VideosArticles
What is Security Access Service Edge? and why you should care about itWhat is Security Access Service Edge? and why you should care about it
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What is Security Access Service Edge? and why you should care about it
Jul 1, 2023
Articles
What is ARP?What is ARP?
What is ARP?
May 27, 2023
Articles
What is IPsec? (VPN)What is IPsec? (VPN)
What is IPsec? (VPN)
May 27, 2023
Articles
Local Networking Protocols - DNS, DHCP, ARPLocal Networking Protocols - DNS, DHCP, ARP
🖥️
Local Networking Protocols - DNS, DHCP, ARP
Apr 29, 2023
Articles
Prisma Access: Routing and SD-WAN DesignPrisma Access: Routing and SD-WAN Design
🌵
Prisma Access: Routing and SD-WAN Design
Apr 8, 2023
Guides
Prisma Access: Planning and Design Prisma Access: Planning and Design
🌉
Prisma Access: Planning and Design
Apr 1, 2023
Guides
Prisma Access: Network Design and PlanningPrisma Access: Network Design and Planning
🛣️
Prisma Access: Network Design and Planning
Mar 25, 2023
Guides
Azure Fundamentals (AZ-900) GuideAzure Fundamentals (AZ-900) Guide
🧿
Azure Fundamentals (AZ-900) Guide
Aug 27, 2022
Guides
The Certified Information Systems Security ProfessionalThe Certified Information Systems Security Professional
📘
The Certified Information Systems Security Professional
Mar 1, 2022
Guides
Linux BasicsLinux Basics
🐧
Linux Basics
Mar 1, 2022
Guides
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About the author:

Hi, thanks for checking out my website.

I’ve written these guides and articles over the past few little while while working in the tech/ cyber.

I decided to make some of my notes publicly accessible after reading a cool article about learning in Public.

I hope to turn this site into a sort-of resource that I would’ve found interesting when I was just starting out, and also to potentially help me connect with other peeps in the in the industry.

I also have experience designing and implementing security solutions from start to finish, so if you’re looking for advice on a project, or anything really, reach out if you want some free advice!

If you’re a bot and you’ve made it to this website, impressive.

Enjoy 🙂

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