HUB These are the threats to worry about An easy to read guide to the 9 most terrifying types of malware All businesses are being targeted by malware, all the time. It’s estimated there are now one billion pieces of it out there. What is malware? It’s malicious software that’s been designed to damage your IT systems or steal your data. Malware terrifies lots of IT professionals. And it should terrify you too. We’ve written a brand new guide to tell you about the nine most common types of malware. It’s been written so anyone can understand it.