There may be a new set of events entering 18.3, aimed at, among other things, detecting use of out of date crypto ciphers. If these events are added to 18.3, we should support them with both visualization and rules.
We may need to rev these rules outside of the normal JMC cycle (dedicated update site?), so we should spend some time considering where they live (source and update site), and how they are built.
Sep 28, 2018 : Sean confirmed new crypto events are targeted for jdk12 and under review