Intelligent Systems Division Manufacturing Engineering Laboratory Performance Testing: The Effects of Antivirus Software on the Operation of PC Based HMI Software Joe Falco Manufacturing Engineering Laboratory National Institute of Standards and Technology February 18, 2004
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Intelligent Systems DivisionManufacturing Engineering Laboratory
Performance Testing: The Effects of Antivirus Software on the
Operation of PC Based HMI Software
Joe Falco Manufacturing Engineering Laboratory
National Institute of Standards and Technology
February 18, 2004
NIST Industrial Control Security Testbed Architecture
Provide performance measures of PC based control software execution vs. modes of operation of concurrently executing security software
Note: Any results will be reported in aggregate,
or with any vendor-identifying information
removed.
Antivirus vs. HMI Performance
• Map functionality of both antivirus software packages.• Configure HMI software at upper and lower bounds.• Record antivirus installation and default configurations.• Test procedures least intrusive to most intrusive.• Design test procedures to be repeatable.• Monitor PC system resources (CPU, Network Traffic).• Monitor communication packets from HMI to PLC.• Compare loads with and without antivirus software.• Inject test viruses from available access points.• Include testing during virus definition updates.