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Nodal Technologies

Field notes

What we keep running into.

Notes from building detection for adversaries who use nothing but legitimate tools — written by the people building it, for the people who have to work the queue.

An abstract diagram of four network hops resolving into a single connected chain
  • Detection
  • Living off the land

The intrusion that never fired an alert

Every tool worked exactly as designed. The campaign still ran for four months. The problem is not detection quality — it is that nothing in the stack was built to assemble a story across machines.

BL

Ben Lindquist

3 min read

  • EDR
  • Integration

Your EDR is not the problem

Endpoint platforms are authoritative about what happened on a machine, and they are being asked a question they were never designed…

AS

Aurelien Schlumberger

3 min read

  • Unmanaged devices
  • Healthcare

The hop that cannot run an agent

Printers, controllers, imaging systems and legacy appliances carry real traffic and take no security software. In most environments…

AS

Aurelien Schlumberger

2 min read

See it work

Watch a chain assemble itself.

The fastest way to understand any of this is to see the console reconstruct a four-hop path on sanitised data.