We present a Security Information and Event Management (SIEM) framework to correlate, attribute and predict attacks against an ICT system. The output of the assessment of ICT risk, that exploits multiple simulations of attacks against the system, drives the building of a SIEM database. This database enables the SIEM to correlate sequences of detected attacks, to probabilistically attribute and ...

In this work, we propose an algorithm to simulate rare events for electronic circuit design. Our approach heavily relies on a smart use of importance sampling, which enables us tackle probabilities the magnitude 10 -10 . Not only can compute very default probability, but also quantile associated given probability and its expected shortfall. We show impressive efficiency method real circuits.