
The DigiCert Breach Explained: How an Archived System Exposed Identity Documents, and What to Do About It
A migration, a self-registration page and a quiet permission weakness, plus a worked example of how to respond and how to test your own archives
Linux Server Hardening Checklist
30 practical steps to take a fresh Linux box from default to defensible. Enter your email — you'll get the PDF instantly, plus new posts on Linux, security & AI.
Free. No spam — unsubscribe in one click.
OpenSSH Emergency Fix: The Alpine Linux Login Bypass Explained, With a Worked Example
How a harmless-looking asterisk could let an attacker log in, how to tell whether you are exposed, and how to fix it safely

Measuring Calls and Forms Before A/B Testing a Law Firm Site
Essential steps for accurate conversion tracking in legal websites.

Why Artificial Intelligence Centers Use Aircraft Engines for Electricity
Exploring a creative solution to energy shortages in AI data centers.

If You Love a Website, Back It Up: A Practical Guide to Archiving Web Content
Learn how to effectively preserve your favorite web pages using various tools.

How I Share One Project Across Several AI Coding Assistants Without Running Out of Quota
A practical setup for routing work, watching it for free, and shipping safely when one assistant's limit is nearly gone

Terraform: A Change Plan You Can Explain
The importance of clarity in infrastructure change management

Understanding the Concept of a Document
Exploring the history and significance of documents in the digital age.

OpenSSL 4.1.0 Brings DTLS 1.3 and GREASE: What to Test Before You Upgrade
New protocol support, four known DTLS issues, faster post-quantum code paths, and a shorter support window than 3.5 LTS

How Public-Profile Instagram Analytics Tools Work and the Privacy Trade-Offs
Understanding the different types of Instagram analytics tools and their privacy implications.

Low-Latency Private Knowledge Chat: Choosing Streaming Models for Healthtech
A guide to selecting the best streaming models for healthtech chatbots.

Weaving Around Stripe's Native Retries Instead of Racing Them
A guide for merchants on effectively managing payment retries with Stripe Billing.

