Antivirus software can be installed on devices to protect against malicious attacks. These programs detect, quarantine, and remove harmful software such as viruses, spyware, and trojans. Most antivirus solutions offer real-time protection and perform regular system scans to safeguard the device against new threats. Additionally, they often include features like firewalls to provide an extra layer of security from unauthorized access and online threats. Antivirus software is essential for maintaining the security and integrity of personal and organizational data.