Appin Technologies is a global Information Security company focused on training, consulting and outsourcing services. The company was formed as a merger of two entities, XIRS Ventures Inc based in Austin Texas and XIRS Appin incubated inside IIT, Delhi India. Later the name XIRS was dropped from the company and the merged entity is known as Appin Technologies. From USA & India, the company has now expanded its operations to Europe, Africa and South East Asia as well.

Appin Knowledge Solutions, education & training arm of Appin Technologies, runs over 75 training centers globally focused on imparting instructor led training in Information Security, Ethical hacking, Secured Programming, Embedded systems & related IT domains. It also sells distance learning courses in over 71 countries across 6 continents. It has trained over 83000 candidates via training products and services. The company is among top 5 training providers in India according to the Week magazine.