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Small Business, Big Threat: Breaking down viruses, trojans and ransomware

  • Writer: Casey Reissig
    Casey Reissig
  • Feb 15, 2023
  • 4 min read

Small and family-sized businesses are often the backbone of our economy. However, these businesses are also attractive targets for cybercriminals who see them as easy prey. Many small businesses don't have the resources or knowledge to protect themselves from malicious attacks. This is why it's essential to be aware of the different types of cyber threats and to take measures to prevent them. In this blog post, we'll break down viruses, trojans, and ransomware, and offer some tips on how to protect your business.


Viruses and Trojans: What You Need to Know

If you've been using a computer for any length of time, you've likely heard of viruses and trojans. These types of malware (malicious software) are some of the most common threats that computer users face, and they can cause serious damage to your computer and your data if you're not careful.


What is a Virus?


A virus is a type of malware that can replicate itself and spread from computer to computer. Like a biological virus, a computer virus can infect a computer and then spread to other computers via email, file sharing, or other means. Once a virus infects a computer, it can cause a range of problems, from slowing down your computer to stealing your personal information.


Viruses typically work by attaching themselves to executable files or documents. When you run the infected file or document, the virus will execute and start infecting other files on your computer. Some viruses are relatively harmless and simply annoy you with pop-ups or other annoying behaviour. Others can be much more dangerous, stealing your personal information, damaging your computer, or even using your computer as part of a botnet to carry out malicious activities. A botnet is a network of private computers infected with malicious software and controlled as a group without the owners' knowledge.


What is a Trojan?


A trojan, or Trojan horse, is a type of malware that disguises itself as a legitimate program or file. Like the Trojan horse of Greek mythology, a trojan hides its true intentions and tricks you into letting it into your computer. Once a trojan is inside your computer, it can do a range of malicious activities, from stealing your personal information to using your computer as part of a botnet.


Unlike viruses, trojans don't replicate themselves or spread from computer to computer. Instead, they rely on social engineering to trick you into downloading and running them. For example, a trojan might look like a legitimate program or file and convince you to download and run it. Once you do, the trojan will start carrying out its malicious activities.


Ransomware: A Growing Threat!


Ransomware is a type of malware that infects your computer system, locks your files, and demands payment in exchange for their release. It can be thought of as a digital "kidnapper" that takes your computer or files hostage until you pay a ransom. Just like a kidnapper who demands money in exchange for the release of a loved one, ransomware demands a sum of money in exchange for the decryption key that will unlock your computer or files. And just like in a kidnapping situation, paying the ransom is no guarantee that you will get your computer or files back unharmed.


Ransomware is a growing threat, and it can result in significant financial losses for your business. The best way to avoid a ransomware attack is to have strong security measures in place and to educate your employees about the risks of clicking on suspicious links or opening emails from unknown senders.


How to Protect Your Small Business


There are several steps you can take to protect your small business from cyber threats. Here are some of the most important:


Educate Your Employees

Your employees are your first line of defence against cyber threats. It's important to educate them about the risks of opening suspicious emails, downloading unknown software, and using weak passwords. Encourage them to report any suspicious activity immediately.


Keep Your Software Up-to-Date

Software updates often contain security patches that fix vulnerabilities that could be exploited by cybercriminals. Make sure to keep your operating system, software, and security software up-to-date to minimise your risk.


Back Up Your Data

Backing up your data regularly is crucial in case of a ransomware attack. If you have a backup of your data, you can simply restore it and avoid paying the ransom. Make sure to store your backups off-site or in the cloud for maximum security.


Invest in a Robust Internet Security Software

One of the most effective ways to protect your business is to invest in a robust internet security software. This will help detect and remove any viruses, trojans, as well as safeguard your files against a ransomware attack. You should also make sure to keep your security software up-to-date to ensure maximum protection.


Conclusion

Small businesses are often easy targets for cybercriminals, but by taking the necessary precautions, you can significantly reduce your risk of falling victim to a cyber attack. Investing in robust internet security software, educating your employees, backing up your data, and keeping your software up-to-date are just a few of the steps you can take to protect your business. Remember, prevention is always better than cure when it comes to cybersecurity.



CRIT.Consulting has partnered with BitDefender - a global leader in cyber security software. If you're serious about your internet security, consider BitDefender for comprehensive protection online.


 
 

© 2025 by CRIT.Consulting. Proudly created by Casey Reissig

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