That email that looked like an invoice but wasn't? APT traffic is the stuff that slips past a standard filter and does quiet, slow damage over weeks. This WatchGuard APT Blocker subscription keeps your Firebox T20-W watching for advanced persistent threats for another 12 months. If your T20-W's APT licence is expiring or you're adding it for the first time, this is the line item that closes the gap
| brand | WatchGuard |
| product_type | APT Blocker Subscription |
| duration | 1 Year |
| compatible_model | Firebox T20-W |
| category | Network – Security UTM |
| subcategory | Cloud & Server Security |