Many companies are unaware of how dangerous it is to work in
the conditions that they do. Operating systems without updating , without
antivirus, lack of computer knowledge and a whole series of difficulties that
lead to them being victims of computer viruses at any time .
Currently the systems
have improved a lot and updates are made to resolve possible vulnerabilities.
The problem is that if our computers are not up to date and we do not carry out
a minimum computer maintenance , we are running the same risk, with the
difference that these vulnerabilities are already known by cybercriminals.
What are the reasons why a virus can enter your
computers?
There are many kinds of
viruses, but they can enter through
many different routes:
•Downloading a program from the Internet - Many computer
programs downloaded from the Internet may contain viruses without our
knowledge. That is why it is very important to make sure that we are on the
website of the program's own manufacturer and not on a third-party page, or in
the face of a fake.
•Clicking on a link in an electronic message: When we click
on a link in an unknown email, or download an attachment, it can also be a virus.
Very attentive to the emails you receive, especially those that reach the spam
folder. Do not click, or believe anything they tell you, whether they offer you
1 million euros or send you a photo of a beautiful naked girl.
•Entering a questionable web page: There are computers that
can get infected when connecting to a questionable web page. Now, this is
fought by Google itself by warning in the search results that this page can
infect your computer. It is increasingly difficult for a cybercriminal to introduce
a virus to you with this method.
•Download files from P2P networks: if you use any P2P
software to download files of some kind, you are also in serious danger that
you could download a virus that infects your computer.
•Inserting an infected USB memory, DVD or CD: a computer
virus can also spread externally, by connecting a storage device to the hard
disk drive. In these cases we have self-executable programs that are installed
as soon as the USB device is inserted or in the CD / DVD drive.
It must be borne in mind that computer viruses would not be
effective if it were not for:
•Operating systems and programs have vulnerabilities. If
your operating system is old and out of date, you have many more known
vulnerabilities.
•Browsers also have vulnerabilities. Typically an
up-to-date, modern browser will not be compatible with outdated operating
systems.
How can you prevent computer viruses from entering your
computers?
You may have already noticed that computer viruses
practically enter the computer for two reasons:
•The computer user himself.
•The operating system and programs you use.
To prevent viruses from entering your computer, therefore,
you will have to work on these two areas. Update your computer equipment to the
latest versions to reduce vulnerabilities, on the one hand, and on the other,
improve our computer knowledge and our behavior as users.
In addition to all this, there are other things that can
still be done to prevent even more:
•Preventive maintenance: Acquire an antivirus so that even
in the event that a virus was installed on the computer, we could stop it.
•Corrective maintenance: Having backup copies so that in the
event that a virus enters us, we do not lose data and we can easily restore the
computer.
In this way, in no case would you lose data and you could
also prevent viruses from entering your computer, but this does not mean that
you have to stop updating the operating system and have good Internet browsing
habits so as not to download what is not reliable .
Not everything is computer virus on the Internet
By extension we call almost everything viruses, but there
are many other computer dangers that you face.
•Get your website or social networks hacked.
•That they install a Trojan to store data on your computer
without your knowing it, or use your computer in a botnet for spam attacks or
advertising fraud
•Spyware that violates your privacy
•Have someone find out your email passwords
•Get a D-DOS attack launched on your website
•Ransomware: you cannot connect to your computer because
everything is encrypted and they require you to pay a ransom to give you the
password
•Etc.
In these cases, you do not always lose your data, but they
do affect you because they consume your resources, violate your privacy and /
or prevent you from accessing your computer.
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