You can secure the transports where query request messages can be sent on, specifically HTTP for Web services and MQ for AS2.

可以在发送查询请求消息的地方对传输进行保护，具体地说，对于Web服务保护HTTP，对于AS2保护MQ。

youdao

Extends the base knowledge query and manipulation language (KQML) to support multi-agent group re-keying protocols and secure group communication protocol.

在基本知识查询和处理语言(KQML)的基础上进行扩充，使得KQML能够支持多智能体群组密钥更新协议和安全群组通信协议。

youdao

You as a customer can use SQL and standard tools with Oracle applications, and the environment is secure (you can query, integrate, and backup the cloud at the database level, not the application level).

FORBES: Oracle Transformed - It's Now All about the Cloud