Threat prevention subscription
Because application context and SSL decryption are basic features of our firewalls, you’re able to inspect and stop threats “hiding” within them. You’re also able to view threat logs within the context of applications, so you can fully understand the risk posed by specific applications.
Source: https://www.gsa.gov/portal/mediaId/131294/fileName/GSA_CDM_ProductGuide_2016-03-11d.action