Blog

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03 July 2026

The E8 Is Dead, Long Live Essentials

What ASD's draft Essentials for Enterprise IT means for Essential Eight fleets, GPO baselines, M365 controls, and Windows hardening pipelines.

#cybersecurity#essential-eight#essentials#compliance#australia

21 June 2026

Context Is Not Free: RAGs, Wikis, Skills, and the Cost of Agentic AI

A practical look at stale RAGs, lightweight LLM wikis, skills, subagents, loops, goals, and why prompt and context engineering still matter when tokens are not unlimited.

#ai#agentic-ai#codex#claude#workflow#llm

12 June 2026

NPM Security: Easy Wins Before the Package Manager Bites You

Practical npm supply-chain security controls for developers: Socket Firewall, lockfile linting, npm ci, package hygiene, release-age delays, install-script controls, and git dependency restrictions.

#cybersecurity#npm#supply-chain-security#javascript#devsecops

03 June 2026

What I Have Learned Building With Codex and Claude

A practical look at building software, workflows, and this website with two agentic AI tools: Codex and Claude, what works, what still needs human judgement, and why good guidance files matter.

#ai#agentic-ai#codex#claude#workflow#devops

01 June 2026

Essential 8 Knowledge Base Is Coming to iPhone

A practical offline iOS reference for Australian sysadmins implementing the ASD Essential Eight with Windows, Group Policy, registry, PowerShell and Microsoft 365 guidance.

#cybersecurity#essential-eight#ios#sysadmin#windows#microsoft-365

27 May 2026

Building Better Sysadmin Security Tools: Part 1

A read-only PowerShell Essential Eight hardening assessment tool for Windows sysadmins. Checks LSASS, BitLocker, ASR, audit policy, and Defender. Exports to CSV.

#cybersecurity#essential-eight#sysadmin#powershell#windows#compliance

22 May 2026

Three Windows Controls That Make Credential Theft Harder

How to reduce Mimikatz-style LSASS credential theft with three practical Windows controls: SeDebugPrivilege removal, LSA protection, and HVCI. Essential Eight aligned.

#cybersecurity#windows#essential-eight#credential-theft#powershell#hardening

20 May 2026

Essential Eight Needs Better Sysadmin Tooling

Compliance spreadsheets don't harden Windows servers. A case for practical Essential Eight sysadmin tooling that shows real configuration state, risk gaps, and quick wins.

#cybersecurity#essential-eight#sysadmin#powershell#compliance

20 May 2026

Hello World - Site Launch

MadDogWarner.com is live. Here's what to expect.

#meta#site