You may have heard of the term when talking about IT, but what is malware? Simply put, malware is the shortened name for ‘malicious software.’ This malicious software is often developed by hackers or cybercriminals who may attempt to steal data or damage computers or systems for an external source.

What is a malware attack?

A malware attack is when an external source has loaded software onto a computer in order to remove or harvest specific data, or with the intent of damaging systems so that they are unusable. This could happen if a hacker intends to sell or use data available on workplace systems, or if they intend to source bank details or passwords in an attempt to take money or use personal data.

Types of Malware

There are many different forms of malware that could be used in a malware attack. Each performs the task in different ways in order to retrieve, remove or destroy data and systems. Here are a few of the most common malware types to look out for.

Virus

A virus is a form of software attached to a document which is released onto your computer if the document is opened. These can often be spread between computers via email without the receiver realising.

Worms

Worms are the next level up from a virus. They can be opened or downloaded in the same way, from an email or website. However, the worm doesn’t just stay on that computer. It can replicate and take down any other computers on the same network.

Trojan Virus 

A Trojan virus is disguised as a program or piece of software that could be helpful to the user. This could be a document converter or PDF modifier for example. Once the user has downloaded the file to the computer, it gets to work harvesting and deleting the data on there.

Spyware

Spyware is software which runs silently in the background of your computer. You may not even know that it’s there. This allows access to your systems from an external source, so hackers can view the files and sensitive information on a computer and even take over with remote access.

Adware

Adware uses the cookies stored on your computer to help understand what types of websites and information you look at online. It then uses this information to show you advertisements based on your own preferences. Adware isn’t always dangerous. However, it can slow your system down and provide links to unsafe websites.

Ransomware

Ransomware works to access your sensitive data and information and encrypts it so that the user can’t access it. The files will still be visible on the computer and will demand a financial payout which is directed straight at the hacker in order to access the data again.

Fileless Malware

Fileless malware is very difficult to detect as it works from the computer memory, rather than from files. If there are no files to scan, then it’s difficult for an antivirus to detect anything wrong with your computer.

How Can I Stay Protected from Malware?

Typically, businesses set up a cyber perimeter. This is often in the form of anti-virus software which can detect certain viruses and prevent them from entering your system.

Most businesses will also have strict criteria in place for employees, ensuring they follow all security precautions by not sharing a computer, locking your computer when you move away from the desk and ensuring that no data is stored externally.

However, without professional help, it is sadly the case the malware will eventually break through these defences. Cybercriminals are constantly updating malware to overcome security systems and make cyber crime easier. To overcome this problem, it’s a good idea to employ the services of PCS Systems – a company that specialises in managed IT services in Northampton. Our team is knowledgeable and reliable when it comes to detecting new ways for cybercriminals to access your data and can set up constant network checking devices.

PCS Systems will help you maintain and update your security to keep your company safe. Contact them today for more help and advice on your security needs.