Threats to Network Security

Many threats to network security exist. Attackers are opportunistic and typically take the path of least resistance. This means they choose the most convenient route and exploit the most well-known flaw. Threats to network security can include denial-of-service attacks, disclosure, and destruction or alteration of information.

DoS Attacks

Many times denial-of-service (DoS) attacks are a last-ditch effort by malicious users to bring down a network. The thought process is that if they cannot have access to the network, no one else should, either. Some common DoS attacks include these:

Disclosure Attacks

Disclosure attacks seek to gain access to systems and information that should not be available to unauthorized individuals. As a CISSP candidate, you should be aware of these attacks and their potential effects. They include the following:

Destruction, Alteration, or Theft

The destruction, alteration, or theft of data represents a serious threat to the security of the organization. These attacks cut to the heart of the organization by compromising a network and accessing items such as databases that contain credit card information, for example. Even if regulatory requirements do not hold the organization liable, there is still the possibility of a serious public relations problem if one of these attacks occurs:

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