Why are mobile devices not blocked by removable media policy?
Even though you have set your removable media policy to block removable media, connecting a mobile phone, media player or similar device allows you to access its contents.
Devices that are presented through the WPD (Windows Portable Device) interface are not classed as removable media by the operating system and so the filtering of ESET Endpoint Encryption (EEE) does not apply to them. An easy way to check this, is to see if the device has been assigned a drive letter. If it hasn't, then it will not be blocked by Removable Media Policy.
A possible solution to stop staff using the media that is presented by WPD is to disable the service responsible on the Workstations as detailed below:
Alternatively it is also possible to set access policy for this style of device via the Group Policy editor. In order to do this:
Windows Portable Devices: https://msdn.microsoft.com/en-us/library/windows/desktop/dd388998(v=vs.85).aspx
The Apple iPhone is detected as a portable device in Windows Vista/7/2008: http://support.eset.com/kb3046/
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