Intelligence to prevent attacks is part of what experts call a "layered" security approach.

防止袭击的情报是专家所说的“分层”保安措施的一部分。

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Security is a complex topic, and the current approaches to securing SOAP seem to be taking a layered approach.

安全性是个复杂的问题，目前确保SOAP的安全性需要采取分层的方法。

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For example, a security protocol channel can be layered over HTTP transport channel to provide secure communications over HTTP.

如，可以使用将安全协议信道置于HTTP传输信道之上来提供安全的HTTP传输通信。

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Through collaborative global efforts and organizational commitment to deploying aggressive multi-layered security policies, the cybercrime epidemic can eventually be contained.

FORBES: Why Cybercrime Remains Big Business - And How To Stop It

Security is multi-layered, making it highly unlikely that terrorists could seize a whole bomb.

ECONOMIST: More extremist attacks��and establishment fantasies