|  Improving 
                    e-mail security
  Computer 
                    Weekly / 17 July 1999 / David Bicknell
 Brokers 
                    in the Lloyd's of London insurance market have turned to public 
                    key infrastructure technologies to improve its e-mail security. The move 
                    marks the first major business-to-business application for 
                    the digital certificate-based technology, which has confused 
                    some users and disappointed some early adopters. Although 
                    some high-profile adopters, such as Canada's ScotiaBank, have 
                    successfully implemented the technologies, other users who 
                    have spent large sums on public key infrastructures have still 
                    to exploit it fully. Interoperability 
                    is a major concern, with a string of suppliers still to deliver 
                    real solutions. The problem, according to some users at the 
                    recent ICX conference in Dublin, is already hampering the 
                    development of e-commerce. One UK 
                    public key infrastructure consultancy, Trustis, has now insisted 
                    it only wants to work with suppliers that are committed to 
                    openness. The fledgling 
                    company has already isolated vendors it feels it can work 
                    with, including Entegrity Solutions, Xcert, and GTE Cybertrust 
                    and iD2 Technologies. 
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