River Gum Security LLC was founded by Joff Thyer in 2020 as a sole proprietorship in support of the development and delivery of advanced Information Security Training materials. The current focus of River Gum is a specialization in advanced malware development techniques in the context of threat actor emulation. River Gum Security is a partner company with Black Hills Information Security and developed training materials are delivered live, and online in association with AntiSyphon Training.