Critical ICS Advisory: Urgent Update for Honeywell IQ 4X Controllers

The primary focus of this morning's briefing is the recent advisory issued by CISA concerning vulnerabilities within Honeywell IQ 4X Building Management System Controllers, necessitating prompt action from emergency managers and facility operators to mitigate potential risks. Additionally, the episode discusses a minor seismic event, specifically a magnitude 2.3 earthquake near Sleepy Hollow, New York, which, although not anticipated to cause significant disruption, has nonetheless prompted public inquiries and necessitated an effective communication strategy. We further examine FEMA's recent expansion of public assistance eligibility in Tennessee following the impacts of Winter Storm Fern, highlighting the operational significance for local governments and relevant stakeholders. Our discourse aims to ensure that all involved parties remain informed and equipped to respond adequately to current developments. As we delve into these critical updates, we emphasize the importance of situational awareness and the coordination of public information dissemination.Takeaways:The CISA has issued an advisory regarding vulnerabilities in Honeywell IQ 4X Building Management System Controllers, necessitating immediate attention from operational technology teams.Recent seismic activity has been recorded in Sleepy Hollow, New York, prompting public inquiries despite the minor magnitude of the earthquake.Tennessee's Emergency Management Agency has confirmed that FEMA has expanded public assistance eligibility due to impacts from Winter Storm Fern, affecting numerous counties.Public information coordination is essential for responding to seismic events, even those with minimal expected impact on infrastructure.The upcoming IWCE 2026 conference in Las Vegas will focus on critical communications, featuring advancements in LMR and broadband technologies.It is imperative for local governments to align documentation with FEMA's public assistance requirements following disaster declarations.SponsorICWE https://go.emnmedia.com/IWCE2026SourcesCISA, ICSA-26-069-03 — Honeywell IQ4x BMS Controller (ICS advisory; release date March 10, 2026)USGS Earthquakes USGS event page — M 2.3, 0 km W of Sleepy Hollow, New York (reviewed; March 10, 2026)Tennessee EMA — FEMA expands Public Assistance eligibility for additional counties following Winter Storm Fern (March 10, 2026)New York / Regional context (journalistic, for situational awareness only)ABC News — 2.3 magnitude earthquake recorded near Sleepy Hollow, New York (March 10, 2026)