Security Dynamics has appointed Miles Rippon as UK channel manager. Rippon, who joins the company from UNIX distributor Sphinx CST, where he was southern sales manager, will run the company's Rapid Return programme. This is a scheme to double UK Var numbers from 25 to 50 by January 1999. To win accreditation, Vars must send two technical consultants for a three-day training course, ending in a exam which they pass to qualify. In return, Security Dynamics wiil draw up a joint business plan, and partner up on sales and marketing initiatives. Nasdaq-quoted Security Dynamics claims more than than 300 million copies of its RSA authentication and encyrption software are installed worldwide.®