Our computer is exposed to a series of small or malicious software programs that can enter the system through emails, browsing web pages or infected false , transmission contaminated files from removable drives, flash drive, DVD, CD, etc. There are different types of malicious programs: Virus
- computer. Programs that are installed on your computer if our consent and can cause serious damage to your computer such as the slowdown, destroying files and even entire hard disk.
- computer worms. The purpose of this type of virus is to multiply and infect all the computers on our network. They usually come as attachments to email.
- Trojans. Are small applications hidden in images, wallpapers, etc. that are installed on our team and allow other users to get private information even control it remotely.
A antivirus program is a program designed to detect, prevent and remove malicious software implementation as computer viruses, worms and Trojans. It works by comparing the scanned files to a database known as virus signatures. For the operation to be effective, this database is very important to be updated as each new viruses are appearing now. Normally the database is updated via the Internet. Antivirus
may be payable or free . If you do not want to pay the antivirus is preferable to install a payment free hacked by one of the following reason: The free version is upgradeable via Internet, so that is always alert to new emerging virus. The copy is pirated, so it is only operating for a short time is not updated so it does not recognize new viruses, not being of any use to a few weeks of installation. Let
how a virus through a cartoon very well done:
Answer the following questions in your notebook practices: The antivirus video Was resident?, Is it useful?, Why?
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