infrasdoc
infrasdoc.com · my docs, projects & other tinkering

Hey — welcome to my little corner of the internet

This is mostly a hobby: somewhere to park the build guides and notes I've collected over the years, show off a few projects, and share whatever I've been poking at lately. Have a look around — hover any tab and it'll tell you what's inside.

built for fun 4 vendors & counting Azure · Cisco · Cloudflare · Fortinet all sanitized — nothing real in here
00

About

By day I'm a senior network and security engineer. Most of my time goes to designing and deploying scalable, secure infrastructure across a handful of sites and the cloud — and keeping all of it lined up with our cybersecurity baseline. Here's roughly what that looks like:

Network design & deployment
  • Multi-site build-outs — server rooms, data closets, UPS, fiber patch panels, handoff/core/access switching and wireless.
  • Dual-hub & spoke interconnecting physical sites and cloud.
  • SD-WAN across all ISP links with traffic shaping & QoS.
  • Day-to-day maintenance and network documentation.
Network security
  • Zero Trust — microsegmentation, device posture, RBAC, least privilege, RBI, DNS filtering, TLS.
  • IPS for deep packet inspection; SIEM + SOAR for security event management.
  • AI security guardrails — shadow AI, CASB, RBI.
  • WAF for origin protection — rate limiting, geolocation.
Bits and pieces I get to play with: Fortinet, Cisco, Meraki, Cloudflare, CrowdStrike, Darktrace, Arctic Wolf, Graylog, VirusTotal, SolarWinds — plus side quests like RADIUS + DUO, cert-based Wi-Fi auth, and running FortiGate VFW in Azure.

Want the formal version? Read my full résumé →

01

Personal projects

The fun stuff — home lab notes and whatever I've been building on the side. These two are just placeholders for now; I'll drop in the real write-ups as they're ready.

01

Home lab topology

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Describe the rack, hypervisor, VLAN layout and what you use it to test.

02

Project two

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Add a short summary and a link to the full write-up.

02

The library so far

Everything I've written up, grouped by vendor. It's all sanitized — the hostnames, public IPs and keys are made up — so nothing here maps to a real network. More gets added whenever I get around to it.

03

Cybersecurity

Threat-hunting and defensive notes that aren't tied to one vendor. The first one is about spotting phishing sites that wear your domain name. It's all sanitized, with placeholder domains throughout.

Cy

Phishing & brand protection

threat hunting · passive DNS
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AI Governance

Notes on keeping AI use sane and safe — mostly around shadow AI control: spotting the tools people quietly start using, putting guardrails around them, and making sure nothing sensitive leaks into a chatbot. Still a work in progress; these are the write-ups I'm planning.

01

Finding shadow AI

CASB discovery & visibility

How to see which AI tools are actually in use before you try to govern them.

02

Guardrails & acceptable use

policy + technical controls

Pairing a plain-English AUP with controls that actually enforce it.

03

RBI for AI tools

isolating risky sessions

Using remote browser isolation to let people use AI without it touching the endpoint.

04

DLP for prompts & uploads

keeping secrets out of chatbots

Stopping API keys, source and customer data from being pasted into a prompt.