Recommended Action
Trend Micro recommends applying this critical patch so that DDI can continuously update components through the Trend Micro Active Update server after April, 2023 or consider upgrading your DDI to the latest version which is 6.5.
For detailed instructions, refer to the DDI Online Help.
DDI 5.6 Service Pack 1 or lower versions cannot be directly upgraded to DDI 6.5. For the details, refer to the Knowledge Base article: Deep Discovery Inspector (DDI) Software Upgrade Path.