Computer security is a
discipline which is in charge of protecting the integrity and the security of
the stored information in a computer system. Anyway, it doesn´t exist a
technique which provides us a impregnable security. Types: phisical, logical and human
A malware it’s any software that can produce any
bad connotations in your computer (erase or steal data, break parts of it…) and
a virus is a program made to install in a computer which belongs to other
person, without he or she consent, and then this malware modify the operating
of the machine, or it erase information.
To protect your computer from
these measures, you have lots of free softwares such as antivirus, well, just
some of them, because in general, you have two types of software, Free
software, the ones which you can get free, and you can defund and change
wherever you want, and proprietary licensed, the ones you must pay to get, and
you can change them at all, let´s start explaining what an antivirus is:
An antivirus is an informatic program which objective is to find and
eliminate virus in a computer. They were invented in the 80’s. Basically, an
antivirus compares the code of all your archives with the codes of the famous
virus, so it’s very important to actualize your antivirus code bank often, but also is important to have a firewall and spam filtres
The types of
encryption are WPA and WP2, they are some kinds of security systems for
wireless networks. They were created in response to the serious problems and
weaknesses found in the previous security system called WEP.
The
WPA is implemented in most of the 802.11i standard, and was designed to work
with all wireless network cards and for use in IEEE 802.11X authentication
server, which distributes different passwords for each user. It was created by
the Wi-Fi Alliance, owners of the brand called Wi-Fi.
So finally, Internet is very usefull, It´s a necessary tool now a days, but be carefull, it´s also dangerus.
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