Microsoft’s Windows Mobile 5.0 is being touted as a potential “BlackBerry killer”, but major security shortcomings could derail widespread enterprise adoption, analysts warned. Microsoft argues that the Messaging & Security Feature Pack for Windows Mobile 5.0 add-on, which ships later this year, is crucial for businesses running Exchange Server 2003 SP2, allowing them to remotely handle data security for smart phones and PDAs. However, according to a pair of analysts at Gartner, the security improvements “are insufficient and do not meet basic enterprise security needs.”