https://securitytoday.com/articles/2026/03/04/sia-updates-dc-09-standard-for-enhanced-alarm-communication.aspx?admgarea=ht.networkcentric
SIA Updates DC-09 Standard for Enhanced Alarm Communication -- Security Today
New revision adds autocommissioning and encryption key rotation to the globally recognized IP alarm transmission protocol.
sia updatescommunication securitydcstandard