As your article states, this really only offers minimal protection - if any at all. If you need to manage a number of PCs, you need a software-based solution that can be configured to allow the right people to access certain devices while automatically blocking all other attempted connections. What's more, many of these device control solutions allow you to centrally monitor the connection of different device types, so you can see who and what are the main data threats in your organisation.
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As your article states, this really only offers minimal protection - if any at all. If you need to manage a number of PCs, you need a software-based solution that can be configured to allow the right people to access certain devices while automatically blocking all other attempted connections. What's more, many of these device control solutions allow you to centrally monitor the connection of different device types, so you can see who and what are the main data threats in your organisation.