HVAC Security: news, advisories and analysis

CyberSecureToday covers HVAC Security across 3 articles published between 18 Sep 2026 and 11 Oct 2026. The coverage includes 3 vulnerability advisories. 3 advisories are rated critical or high severity, and 1 involves a flaw listed in CISA's Known Exploited Vulnerabilities catalog.

Stories on HVAC Security most often intersect with Building Automation, BACnet and Industrial OT, with Industrial, OT & IoT the most affected sector. The most recent story, “Honeywell IQ4 BACnet Flaw Allows Unauthenticated Denial of Service and HVAC Override”, was published 11 Oct 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.