In data security, pertaining to software and hardware systems that have been designed, and verified, to avoid compromising, corrupting or denying sensitive information.

• 在数据安全技术领域，用于修饰或说明软件系统和硬件系统，这种系统已经设计好并进行过验证，可以避免(产生)泄露、传送出错或拒绝敏感信息。