4 Things to do to protect yourself from viruses and other malware

Malware infects PCs and servers

The use of the Internet is increasing every day. The electronic devices we use (tablets, PCs, smartphones, etc.) are actually constantly connected to the Internet and accompany us both professionally and privately.

Due to more frequent use and increasing dependence on the Internet, criminals are also becoming more interested in these devices.

It’s mainly about stealing information (passwords and bank details), as well as techniques that use your device to, in turn, cause harm to other people.

What is malware?

So often we are disturbed by "malware". Malware is the collective term here Malware and contains viruses and spyware. Spyware, on the other hand, is usually hidden software programmed solely to spy on you. The software is supposed to transfer your credit card numbers and bank data or passwords to the programmers.

The typical way of infection is actually visiting an infected website or unknowingly running an infected program. This may simply be an email attachment.

Computer viruses reproduce themselves

Computer viruses can normally reproduce themselves. This is how they transfer themselves from one computer to another. This is a big danger especially in a company. The malware can be transferred in different ways: USB hard drives, USB sticks, the Internet, or the local network. It attacks the software on the target system and can damage it.

It is still often believed that viruses can also damage hardware, i.e. the PC as such. But this is not possible. It’s all about the software.

If you look at it closely, a hundred percent protection is not possible. But there are some things you should keep in mind to make it more difficult for attackers to infect your system.

The following points minimize the risk of malware infection:

1. Common sense against malware

Just pay attention yourself on which programs you click and if the attachment on the email is really what you think it is. If, for example, a business partner suddenly sends you strange files, the meaning of which is not immediately apparent? Do not click on it! Why don’t you call the sender and ask them if the file came from them.

You should also only click on links in emails or on websites if you are sure that these links are OK. Something seems strange to you? Ask your administrator or IT manager.

2. Protect your device with antivirus software

In this day and age, it goes without saying that every device on the Internet should have a virus scanner. The should have current signatures and should also work. Ask your administrator if you are unsure about the situation. Companies will usually have a central system to monitor proper operation.

3. Think about firewalls

A firewall can also scan web traffic and emails additionally. So you have a control of the data directly at the "door" where the data reaches your company or network.

4. Update your software

The manufacturers of your software regularly plug security holes found with so-called patches. as an example, Microsoft’s Windows operating systems receive security-related updates at least once a month. Be sure to install them. There are also automatisms for this for the entire company network. Because there are definitely a few stumbling blocks when applying the patch. Ask here also your administrator or your IT service whether the updates on PCs and server are regularly imported. It is very important.


There’s certainly more to consider, but if you follow the above 4 points, you’ve already done quite a bit to prevent malware from getting in. Unfortunately, experience shows that many companies do not take these points seriously until a virus outbreak has occurred.

Imagine what it means for your business if you cannot work for a few days because all your computers and servers have to be reinstalled. The effort is huge.

Or what it means when your customer database is suddenly on the Internet?

We will be happy to help you keep your IT systems secure and stable for the long term. This is our main focus and we have developed many best practices over the years. Talk to us.

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Jens Hagel - Managing Director hagel IT-Services GmbH

Founder and owner of the company hagel IT-Services GmbH. Naturally passionate about technology and always looking for improvements.

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