The concept of malware comes from the English expression “Malicious software”. It's about a malicious software : that is, of a computer program whose purpose is to provoke a hurt in a system .
A Program It is considered as malware according to the effects it causes on a computer. These consequences are not the result of an error or a defect, but the malware is programmed to generate problems .
There are, however, different types of malware. Some only seek to create minor inconvenience by way of joke while others have a criminal purpose . There are malicious programs that can write invalid data to corrupt the file system or that directly delete information from the hard disk (HDD).
Among the actions a malware can develop once it infiltrates a computer , distributed denial of service attacks, spamming, display of advertising windows and data theft appear. In some cases, the user does not even find out about the intrusion.
To protect against malware it is possible to use two kinds of tools. On the one hand, there are programs that provide real time protection analyzing the traffic of the net and preventing malware from installing. On the other hand, you can appeal to software that Search and remove malware once it was installed on the computer.
Keep your browser and operating system updated and have a firewall and an antivirus are other actions that help protect against malware.