TR IEC/TR 62443-2-3:(2018)2024

Security for industrial automation and control systems Part 2-3 : Patch management in the IACS environment


This standard describes requirements for asset owners and industrial automation and control system (IACS) product suppliers that have established and are now maintaining an IACS patch management program.

It recommends a defined format for the distribution of information about security patches from asset owners to IACS product suppliers, a definition of some of the activities associated with the development of the patch information by IACS product suppliers and deployment and installation of the patches by asset owners.


This standard was first published in 2018 and confirmed in 2024.


Status Current
Edition (2018)2024
No. of Pages 69
ICS Classification 25.040.40 Industrial process measurement and control
35.040 Information coding
35.100 Open systems interconnection (OSI)
Committee Manufacturing Standards Commitee
Available for Purchase Global
Adoption IEC TR 62443-2-3 : 2015 IDT