log4j

Log4j vulnerability and ICS security

As you may already be aware, a new critical remote code execution vulnerability (CVE-2021-44228) affecting Apache Log4j software library versions 2.0-beta9 to 2.14.1 has been discovered. What is the Log4j vulnerability? Log4j is used in many websites,  consumer and enterprise services and  applications—as well as in operational technology products, which includes even Industrial Control Systems such as DCS, SIS, PLC, SCADA, Process Historians and similar hosts and controllers. For …

Read more

Safety Logic Solver

What is a Safety Instrumented System?

A Safety Instrumented System (SIS for short)  is used in many process plants to ensure continued safe operation of the process. In case of any disturbance that is likely to result in an unwanted incident the SIS automatically brings the process to a safe state and prevents loss of life, asset damage and environmental damage. For process plants that handle hazardous, toxic, explosive or other similar materials, Safety Instrumented …

Read more