Antivirus software is software programmed to prevent
the computer data and applications from attack of miscellaneous programs that
can destroy other useful data and programs. Antivirus programs are also called
as anti-malware software. A user uses antivirus software to detect and remove
the miscellaneous programs from computer system.
After the invention of computer and web 2.0
application, many business houses have upgraded its operation with internet
technology. This may be because they want reach the mass customers, grab the
new market opportunities, increase the market size, management effectiveness or
to maintain good customer relationship. Many business organizations, financial
institutions, multi-national companies, etc are installing WLAN these days to
maintain good coordination between the departments and for smooth flow of
information.
There are numbers of business houses, individual
firms, domestic firm, multinational firms, etc operating similar business under
the same industry. Many new firms are also establishing day by day. This is
bringing throat-cut competition in the market. Every organization prepares
their success plan and business strategy to achieve their goal. These may be
their business blueprint or business secret, which brings uniqueness in their
operation, and help them to remain in the top of leading companies as a
business tycoon. To protect these valuable information, organizations prepares
privacy policy and register a patient right. Some organizations also prepare a
destructive programs called virus to protect valuable information from
unauthorized access. There are also some groups of intruders, hackers, and
destructive programmers that prepares destructive programs to destroy the
computer data and files. They prepares these programs for unauthorized access, crack
the software programs, online banking attacks, and many other reasons. In 2013,
Antivirus firms had reported samples of new malware ranging from 300000 to
500000 per day.
An individual needs antivirus software to protect
valuable information and data files stored in computer network from an
intruders, hijackers and destructive programs. Antivirus softwares are created
to protect the valuable data from BHOs, ransomware, backdoors, browser
hijackers, keyloggers, rootkits, worms, torjan horses, dialers, malicious LSPs,
adware, fraudtools, and spyware. Some antivirus software also protects from
computer threats such as malicious URLs, scam, spam, phishing attacks, online
banking attacks, online identity (privacy), Advance Persistent Threats, Social
Engineering Techniques, and Botnet
DDoS attacks.
There are several antivirus software available in
the market. Some of the popular antivirus softwares are:
Avast Microsoft ESET Symantec
AVG Avira Kaspersky McAfee
Panda Trend
Micro
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