An attack described in a node may require one or more of many attacks described in child nodes to be satisfied. Our above condition shows only OR conditions; however, an AND condition can be created, for example, by assuming an electronic alarm which must be disabled if and only if the cable will be cut.
A scenario described in a node may necessitate one or more of many scenarios described in child nodes to occur. Our earlier stipulation illustrates only OR conditions; however, an AND condition can be created, for example, by assuming an electronic alarm that must be deactivated if and only if the cable is cut.