Digital threats exist for all connected computers and devices. Common threats include viruses, worms, spyware, adware and Trojan horses. These threats can steal personal information, damage files, or hijack web browsing. It is important to keep software updated, use antivirus software, practice safe online behaviors like caution with email attachments, and back up files regularly to protect against digital threats. Threats are also a risk for mobile devices which can sometimes spread through Bluetooth or multimedia messaging.