Network External Threat is threat coming outside local network#. There are several of them as shown below:
- viruses
- worms
- Trojan horses
- spyware
- adware
- zero-day or zero-hour attacks
- hacker attacks#
- Denial of Service (DoS)#
- Interception#
- identity theft
Network External Threat
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Network Security
Basically, users need to be aware of Network External Threat# and Network Internal Threat#.