four oh four. Infrastructure, app development and security work.

Four Oh Four is a one-person company in Emmen, the Netherlands. I run servers, networks and self-hosted services, build apps, and test the security of my own systems.

what I do

who

Four Oh Four is run by Mae Pearse McConigly, owner and security lead. I am the only person here and do all of the security work myself.

contact

mailhello@fourohfour.nl
secsecurity@fourohfour.nl (security.txt)
whereEmmen, the Netherlands
kvk42191354

Open for infrastructure and app work. Send a short note about what you need and I will get back to you. I only test systems that are not mine with the owner's written permission.