Definition of ActiveX

 
 ActiveX is a technology developed by Microsoft Corp. for distributing software over the Internet. ActiveX controls are available for Internet Explorer.

The use of ActiveX is a security risk because the browser places no restrictions on what an ActiveX control can do. To mitigate the risk of using ActiveX plugins, each control can be digitally signed, and the digital signatures can then be certified by a trusted certifying authority, such as VeriSign.
 
 
 
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