ActiveX is a Microsoft technology that allows Internet applications that
are more powerful than simple scripts. ActiveX applications do work only in
Internet Explorer, so the use of ActiveX on websites is not recommended. Due to
the huge amount of influence ActiveX apps can have on the system (ActiveX apps
have access to the same files you have access to, meaning all files in the
case of most private computers), it is recommended to be very careful if
dealing with ActiveX.
There are two types of ActiveX apps - signed and unsigned. The code of
unsigned ActiveX apps hasn't been certified and should never be trusted.
Signed ActiveX apps are certified, but can still contain malicious code!
Signed ActiveX apps should be trusted only if coming from trusted websites and
only on a prompt base (meaning that IE settings will ask every time a website
wants to load an ActiveX app).
Many dialers and hijackers install themselves
using ActiveX applications.
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