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THREATS (There are four primary classes of threats to network security: -)
THREATS
There are four primary classes of threats to network security: -
Unstructured threats
It consist of mostly inexperienced individuals using easily available hacking tools such as shell scripts and password crackers.
Unstructured threats that are only executed with the intent of testing and challenging a hacker’s skills still do serious damage to a company.
Example, if an external company website is hacked, the integrity of the company is damaged.
If the external website separate from the internal information that sits behind a protective firewall, the public does not know that.
public knows that the site is not a safe environment to conduct business.
Structured threats
come from hackers who are more highly motivated & technically competent.
They know system vulnerabilities & can understand, develop exploit code and scripts.
They understand, develop, and use sophisticated hacking techniques to penetrate unsuspecting businesses.
These groups are often involved with the major fraud and theft cases reported to law enforcement agencies.
External threats
Arise from individuals/ organizations working outside of a company.
They don't have authorized access to the computer systems/ network.
They work their way into a network mainly from the Internet or dialup access servers.
Internal threats
occurs when someone has authorized access to the network with either an account on a server or physical access to the network.
According to the FBI, internal access and misuse account for 60 percent to 80 percent of reported incidents.