Malware
Malvertisements: How Viewing an Ad Can Infect Your Computer
A website visitor doesn’t even need to click on a malicious advertisement to have their computer infected, simply viewing the advertisement in their browser is often enough to cause a virus to infect the computer.
Attack of the Bots: Protecting Your Computer from Non-Human Attacks
Hackers want to get into your computer so that they can use or sell your data, or just for the fun of it, and they have automated programs that do it for them.