March 2015
Intermediate to advanced
816 pages
36h 46m
English
Security is a system attribute that reflects the ability of the system to protect itself from malicious internal or external attacks. These external attacks are possible because most computers and mobile devices are networked and are therefore accessible by outsiders. Examples of attacks might be the installation of viruses and Trojan horses, unauthorized use of system services, or unauthorized modification of a system or its data.
If you really want a system to be as secure as possible, it is best not to connect it to the Internet. Then, your security problems are limited to ensuring that authorized users do not abuse the system and to controlling the use of devices such as USB drives. In practice, however, ...
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