On July 7, 2020, Trend Micro sent out an advisory, KB 000257916: TMMS for Enterprise impact of certificate upgrade, about an upcoming certificate security upgrade (July 15, 2020) on the server side of TMMS for Enterprise that may prevent the decryption check from becoming faulty in the near future.
In the original article, mitigations were presented for both iOS and Android agents.
In July 15 ‘s update, the latest version of the iOS agent was under review by Apple and users could not yet update.
At the present time, both iOS and Android agents are now available.
Recommendation for Mitigation:
Upgrade iOS agents to the latest version via App Store.
Upgrade Android agents to the latest version. (Ignore if you have already upgraded)
Upgrade the TMMS server to the latest version. (Ignore if you have already upgraded)
- iOS agent version : >=2.0.2023
- Android version : >= 126.96.36.19927
- TMMS server version : >= 188.8.131.5268
We appreciate your patience as we are conducting this upgrade to avoid this issue.