Computers today. Гурьянова В.И. - 29 стр.

tool when you process personal and business information because with any computer
errors can occur and the information may be misused. If you are doing work that
cannot be replaced or requires a high level of security, you should take steps to en-
sure that your programs are protected from being used, modified or even deleted by
other users. Simple measures – such as: removing your disks when they are not in
use, keeping backup copies of valuable information, and installing your equipment in
a secure facility – can help you to keep your files safe.

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       1. Look quickly over the text “Malicious Software (Malware)”. What
type of malware does the largest part of the text describe?
       2. Imagine someone knows nothing about computer viruses. Think of
some useful vocabulary items for them to learn and put them down into
your copy-book. Be ready to explain what they mean.
       3. Find in the text and translate those parts which refer to the history
of computer viruses.
       4. Summarize the text.

                            Malicious software (Malware)
       Malware is a broad category of software designed to infiltrate or damage a
computer system. Types of malware include spyware, adware, Trojan horses,
worms, and true viruses. While modern anti-virus software works to protect
computers from this range of threats, computer viruses make up only a small
subset of malware.
       A computer virus is a computer program that can copy itself and infect a com-
puter without permission or knowledge of the user. The original may modify the cop-
ies or the copies may modify themselves, as occurs in a metamorphic virus. A virus
can only spread from one computer to another when its host is taken to the uninfected
computer, for instance by a user sending it over a network or carrying it on a remov-

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