Using Threat Prevention Threat Prevention checks for viruses, spyware, unwanted programs, and other threats by scanning items on your computer. Scan your computer for malware Scan for malware on your computer by selecting options in the Endpoint Security Client or Windows Explorer. Manage threat detections Depending on how settings are configured, you can manage threat detections from Endpoint Security Client. Manage quarantined items Endpoint Security saves items that are detected as threats in the Quarantine. You can perform actions on quarantined items.