Thinkst Canary
Thinkst is the company behind the Thinkst Canary (https://canary.tools) a software (and hardware) product built in South Africa, servicing the world.
Our Canaries are deployed on networks on all 7 continents and are pretty widely loved (https://canary.tools/love). Our people have been at the forefront of both offensive and defensive cyber security research for almost 2 decades and have presented research (or keynoted) at most of the reputable conferences world wide.