This makes great sense since Trend Micro has been trying to move into the market encryption/anti-virus routers....but damn, my friends at Trend Micro didn't give me inside info.
Cisco buys Japan's Trend Micro
Washington Times / Jun 09
.... Trend Micro will provide antivirus technology for Cisco, which will integrate the Japanese firm's network worm detection and blocking "signatures" with its intrusion-detection system software used by Cisco's routers, catalyst switches and security appliances....