Advances in security within control systems have brought us many of the security tools and services offered in IT for this environment. Until now, protection was based on reactive measures, acting only where there was evidence of the attack, but this trend changed with deployment of monitoring and the proactive defensive actions that this can provide.
In recent years, indicators of compromise have become the best way of exchanging information when it comes to managing an incident. But, do we really know how to manage an indicator of compromise? The aim of an indicator of compromise is to map the information that is received or extracted during the analysis of an incident. This is done in such a way that it can be reused by other investigators or affected people, in order to discover the same evidence in their systems and to be able to determine if they have been compromised or not.