Operating System Defense

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companies such as Microsoft provide modifications and corrections back to its older windows

versions. If user operating system are modified and corrected with the latest security features

of operating system, it will help the user system to secure from threats and vulnerabilities.

[Nortan 2007]

The procedure of protecting an operating system can be costly for small companies. It can

be problematic for every business to connect the newest operating system each occasion it is

released due to numerous influences such as time of installation, cost etc. Many operating

system corporations do not deliver improvements or reinforcements to their preceding

versions. If we keep our operating system up to date, user then can rely on the operating

system as a secure as provided by the organization in its latest updates, but sometime it is not

true due to less features available. [Nortan 2007]

Antivirus software delivers a low-cost sustenance to any individual person or association. It

is also dependable and can be recycled on many computers with a single overseer. It delivers

comprehensive facts of virus, with selections to eliminate or to transfer into storage. Antivirus

contains modernize possibilities, beneath the virus modernizes its database when the computer

is linked to the internet. It permits you to initiate start up antivirus scan, which benefits

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plummeting any intimidations contemporary once you initiate your computer originally. It

permits us to routinely identify virus in files and let us distinguish if some viruses are

contemporary. Antivirus assistances we must notice any virus danger to the system directly as

they usually turns on the back thread.

All antivirus are not free, so it puts some expenditures above the association to retain

antivirus license year on year. Antivirus software places some advertisements over their

software, which sometimes is not operator approachable. Antivirus can prevent choices that

can be available if you purchase the full version. Antivirus does not always do the job that is

required so additional antivirus software may be needed. Some antivirus can delete files that

may be needed to continue to run the system correctly and thoroughly. Some software that is

installed and take away from the ability for the computer to run effectively.

If a hacker is attempting to access the system the firewall will help aid the company in

securing the system and not allowing the hacker to access the system. If an attempt is made to

unlawfully access a system the firewall can make note of this attempt and report it. The

firewall is already installed on every computer and it is a free system to use. Firewalls can also

be tested for leaks by such projects which have options to check for leaks. [Pinktec 2011]

If you your system is always connected to a WiFi connection that is a public connection, it

may have viruses that the firewall cannot detect. The cost of installing the firewall varies as

sometime the software is free or the software needs to be purchased. The cost of buying the

software depends upon the features that is within the software and what is needed. In regards

to security for a firewall, it is not always the best. It is recommended that another form of

antivirus is installed to help protect the system. “Sometime firewall offer weak security such as

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virus defense, malware so antivirus software or system of intrusion detection which secure

against Trojan horse and also on the port scans should also be complement user firewall in

layering defense.” [Pinktec 2011]

There are firewall problems of volume administration in corporations that spend a lot of time

using the internet and in this case firewalls signify a possible bottle-neck as all the networks

must document through the firewall. “Firewalls also face the issue of content management and

control problems for those who manage the data on a firewall.” [Himanshu 2011] With a

company that uses only a firewall to help protect their system from security issues and

vulnerability, that company’s network may be at risk. This matter is measured as an issue and it

smashes that operating system directly, it occurs when some, hackers get into the system and

then they try to terminate the organization files, take the files or data currently on your

computer or try to put some malicious software on the system.

When enabling a firewall, most systems have the program already enabled, but if not it

can be enabled from