26984 words

firewalls

4 definitions • 2 examples
1
a device or program that stops people from seeing or using information on a computer without permission while it is connected to the internet
2
a computer system or program that prevents someone from seeing or using information on a computer without permission, especially someone using the internet:

Examples:

Without a firewall, all your files could be instantly accessible to any competent hacker from anywhere in the world.
3
a way of making sure that one part of banking does not affect another by separating the operations of the two, especially so that investment banking should not negatively affect the banking sector that ordinary people use:

Examples:

4

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