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$ ls archive/2026/07/

July 2026

3 posts this month.

2026
  1. Releases10 min read

    Deployment Control: deploy today, roll out at your pace

    The engineering story behind Shield's Deployment Control release: how deployment and rollout became separate steps, how health checks gate enablement, and the routing redesign that removed DNS from the process.

    Ben Hathaway·Chief Technology Officer
  2. Shield11 min read

    The evolution of Shield's mail flow architecture

    Three versions of Shield's mail flow architecture, from a blunt MX record to a design that hands the last mile back to Microsoft, and what changed each time along the way.

    Christian Maddox·Senior Software Engineer
  3. Phishing8 min read

    If phishing simulations work, why do they need a mandate?

    Phishing simulations produce compliance artifacts, and that's why they persist even though they don't protect users. The technical case for moving the trust decision off the content an attacker controls.

    Ben Hathaway·Chief Technology Officer