ActiveX is a brand name referring to a set of Microsoft's technologies and services based on COM (Component Object Model) widely released in 1997. On the Internet ActiveX can be used with IE versions 3 and above and with Netscape Navigator though plug-ins. ActiveX control is a COM object written as a DLL in a programming language like Visual Basic that follows ActiveX standards. Once downloaded ActiveX controls have a large degree of freedom presenting a security risk. ActiveX controls have to be digitally signed by their creator. Major competitor to ActiveX controls are JavaBeans. Some hosts support ActiveX server components for ASP.

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