4. Explain Cybercrime,Virus History,Firewall.
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Answers
Answer:
Explanation:
Cybercrime, or computer crime, is a crime that involves a computer and a network. The computer may have been used in the commission of a crime, or it may be the target. Cybercrime may harm someone's security and financial health.
The first computer virus, called "Creeper system", was an experimental self-replicating virus released in 1971. It was filling up the hard drive until a computer could not operate any further. This virus was created by BBN technologies in the US. The first computer virus for MS-DOS was "Brain" and was released in 1986.
A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.
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