A ransomware it's a kind of malware : that is, a malicious or malicious software . It's about a computer program that, by infecting a computer, prevents normal use or restricts access to documents , demanding a payment for restoring normal operation.
Typically, the user installs the ransomware without realizing it, by following a misleading link that appears in a website or in a email . Once installed, this program can encrypt files or even lock screen .
With the infection already produced, the creator of the ransomware demands a "rescue" to release the system . The amount requested usually depends on the consequences that the attack generates: if the ransomware causes financial losses to a company, for example, a lot of money may be asked.
The first cases linked to ransomware date from 2005 . Many times criminals resort to false messages posing as recognized companies, encouraging users to do click in a link Who falls into the trap, ends up installing the ransomware.
Computer security specialists highlight the importance of prevention to prevent ransomware from affecting computers. This is relevant since, even if the user ends up paying what they are asked for, nothing ensures that they will recover the control and full access to your system.
Experts recommend using a firewall (firewall ) when browsing Internet and have a antivirus Reliable and updated. On the other hand, they suggest not opening suspicious emails nor enter potentially dangerous websites .