Of course viruses can be spread through floppy disks, usb keys or other methods so being a standalone computer not connected to any network doesn't mean the computer can not be infected though the information cannot be leaked via the network to external persons.
However, there is also physical security of the computer itself, and that where it gets interesting depending on who and what your trying to secure the pc from.
If for instance the pc is sitting in a public area, and you are not worried just about external threats but also potential employee data theft then one should assume no information on the pc is secure even if the pc is standalone.
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Just because a computer is CURRENTLY standalone, does not mean someone cannot decide to connect it to a network (with or without approval) - at which time it's no longer standalone. Few computers manufactured these days do not have networking capability built in.
When a computer is disposed of, unless proper precautions are taken, all the information on it can be recovered - and misused - by whoever gets ahold of the hard drive.
A computer that is not part of any network, typically Local Area Network, is considered stand-alone computer. Please note that, depending on the situation, a computer that is not part of LAN, but has access to the internet may or may not be conisdered a stand-alone. The term stand-alone is usually by computer security people. A computer that is not part of LAN is usually configured in such a way that all unnecessary ports/services that can allow access to the computer are blocked in order to secure it.
Stand Alone computer
Yes
A stand-alone computer is a computer that is not connected to a LAN (Local Area Network), and is usually found in a home or small office.
A stand-alone computer is a computer that is not connected to a LAN (Local Area Network), and is usually found in a home or small office.
Since a stand-alone with such devices represents multiple elements, it is also an information system.
Many stand alone computers are still used especially for sensitive documents.
Yes. The Tomcat Web server will work on a stand-alone computer system. It will need The Java environment installed on the same machine.
The network computer has access to more data.
No, McDonalds is a fast food restaurant.
stand-alone computer
Stand alone computer