The Operational Technology Hub

Construction Project Cyber Attack: Mid-build, construction drawing ransomware forced teams to revert to a 2-week old backup or pay the Bitcoin ransom

Montgomery Technologies recounted a ransomware attack on a major project's construction drawings that sent 90% of workers home the same day, forced a restart from a two-week-old backup, and added five weeks to the timeline.

Why Occupancy-Based HVAC Control in a NYC High-Rise Required Sensors, Gateways, VLANs, and a FieldServer Before Touching the BMS

Grumman Butkus and R-Zero ran occupancy-based ventilation in a Manhattan tower where the sensor data had to cross a BACnet gateway, a VLAN, a firewall, and an MSA FieldServer security gate before reaching the Siemens Desigo BMS, with control staying local and analytics in the cloud.

Eight Years Into UDMI, Google's Biggest Lesson Is That the Installer Experience Decides Whether a Device Standard Scales

Google built UDMI, an HTML-inspired interface standardizing how devices talk to cloud applications across hundreds of buildings, then redirected its tooling work after adoption stalled on the system installers configuring devices in the field.