Engineering
Engineering articles and product updates
How ShieldMarc is built: threat detection internals, architecture choices, mission pieces, and public progress updates.
Showing 4 of 47 resources
EngineeringApril 2026
What We're Building and When You Can Use It
A progress update on the ShieldMarc platform: what we are working on, when we expect to open to the public, and how to start a free trial.
EngineeringMarch 2026
Our Mission: AI Tools, Open to All
Why we built ShieldMarc with free AI-powered tools at its core, and what we believe about access, protection, and the future of email security.
EngineeringMarch 2026
How ShieldMarc Threat Detection Works
Every DMARC report row is evaluated by a multi-signal scoring engine and AI evaluation to separate genuine threats from noise. Here is how it works.
EngineeringMarch 2026
Why Modern DMARC Monitoring Costs a Fraction of Legacy Tools
Legacy DMARC platforms carry years of technical debt. We built ShieldMarc from scratch in 2026 with modern tooling and zero bloat.