What is malware? Viruses, worms, trojans, and beyond

Malware—a blanket term for viruses, worms, trojans, and other harmful computer programs—has been with us since the early days of computing. But malware is constantly evolving and hackers use it to wreak destruction and gain access to sensitive information; fighting malware takes up much of the day-to-day work of infosec professionals.

Malware is short for malicious software, and, as Microsoft puts it, “is a catch-all term to refer to any software designed to cause damage to a single computer, server, or computer network.” In other words, software is identified as malware based on its intended use, rather than a particular technique or technology used to build it.

Read more about what malware is and how you can prevent, detect and remove it, on CSO.





Gain Deeper Insights Into The Threat

Sign up to gain access to our special reports on threat actors and their tactics as well as daily Threat Brief.

Your support will enable us to continue our production of action-oriented content and help us help you stay informed on the latest in adversary activities.

Try our free two week trial.

Sign Up For Free Trial of The Daily Threat Brief