The Wolf's Blog

Stories from 25 years of solving tech problems. Pattern recognition in action.

Subscribe via RSS
Your Auto-Replies Are Failing DMARC (And You Don't Know It)
5/12/2026
10 min

Almost every Exchange shop with an outbound security gateway has a DMARC blind spot on auto-replies. The RFC-compliant behavior is the thing that breaks authentication.

email-security dmarc dkim exchange misconfiguration
Someone Is Already Watching: What Passive Recon Reveals Before You Do
3/6/2026
6 min

Before I found my first vulnerability in a recent client engagement, I found evidence that someone else was already looking. Here's what a passive recon assessment surfaces, and why the results are usually more alarming than expected.

security asm attack-surface recon offensive-security
Six Months Ahead of the Curve: Betting on GraphQL and React Native Web in 2018
12/10/2025
8 min

What happens when you bet on GraphQL, React Native Web, and a three-person team to rebuild a platform from ColdFusion? Six years later, it's still running.

architecture graphql react-native platform-engineering startup
When "Good Enough" Isn't: The Story Behind a Custom Memory Manager for the Nintendo DS
8/25/2025
8 min

Sometimes the scariest code to challenge isn't the broken mess - it's the legacy code that's been "working fine" for years.

gamedev performance memory-management legacy-code