### Comment:
What are some common types of malware?

### REPLY:
Some advanced types of malware include keyloggers, which record user keystrokes and steal sensitive information like passwords and credit card details. Another type is a botnet, which turns infected computers into "zombies" that can be controlled remotely by a hacker. Additionally, there are polymorphic malware that can change their code to avoid detection, as well as fileless malware that resides in memory and leaves no trace on the hard drive.