Who are the individuals who cause these security problems?

Many unauthorized people who cause network security problems for obtaining information about the other users and causing harm to them. The subsequent is the list of intruders,

(i) Student

A student can cause the network security problems for his/her fun by disturbing with the e-mails of other users.

(ii) Sales Representative

A sales representative may coz harm to the network security by pretending that he/she  is representing the whole country but not the specific state or city.

(iii) Businessman

By recognizing the strategic marketing plan of his competitor, a businessman can damage the network security.

(iv) Hacker

            A hacker can intrude the network security by thieving someone’s data or by testing the security of others system.

(v) Accountant

By unfairly obtaining the company’s money, an accountant can destroy the network security.

(vi) Ex-employee

For taking revenge of being sacked by the company, an ex-employee may interrupt the security of the network.

(vii) Spy

It damages the network security by knowing the military strength of an enemy.

(viii) Con Man

By stealing and selling the credit card numbers and all, the network security gets damaged.

(ix) Terrorist

The network security is affected by stealing the warfare information by a terrorist.

(x) Stockbroker

A stockbroker can cause harm to the network security by denying to the commitment made by him with the customer by an e-mail.