Which of the following spread more commonly in networked computers?
Answers
Answer:
In addition to the common methods of spreading through email attachments, boot infections and program infectors, there are other ways by which viruses spread to your computer.
These include:
Infection from Networks
The following are all computer networks:
Peer-to-Peer network
Local Area Networks (LAN)
a Wide Area Network (WAN)
Wireless Networks
the Internet
They all have the same basic purpose; to share software, and information resources between two or more computers. As with anything else that is shared between computers, networks let users share files, and wherever files are shared, viruses can be shared and spread.
Most network virus/worm/Trojan activity is like what we described earlier, although more and more examples of automatic mass mailing attacks, system resource attacks are being found.
Recently many attacks are designed to specifically target major corporate interests (Microsoft, eBay, Amazon, major Banks etc.) in an attempt to disrupt their online services. Very generally these are called DOS (denial of service) attacks.
The way they most commonly work is by secretly infecting thousands of local user computers (like the one you are using right now), and then at a specific time, launching a combined attack from all the infected machines against the primary target.
As you can see, your computer can be hijacked without your knowledge and then used in a major attack against an unsuspecting company. However with up-to-date virus/firewall protection, your com
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