Visum Cyber | 2 followers on LinkedIn. Founded in 2016, Visum Cyber was born out of an idea dating back to 2012. Developed and rigorously tested by some of the best cyber security engineers on the planet, that idea evolved into Javelin. Since 2015, we have been helping our commercial customers extend their cyber risk management efforts beyond traditional horizons, delivering real value with truly useful products at a reasonable cost.