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Sams Teach Yourself EJB in 21 Days by Krishna Kothapalli, Ragae Ghaly

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Reviewing Security Fundamentals

To build secure enterprise applications, security mechanisms must be established to ensure that enterprise assets and resources are protected from accidental and malicious attacks. Enterprise security addresses data resources, applications, and components, but it also deals with the secure communication between them. Security ensures that information is neither modified nor disclosed except in accordance with the security policy established by the enterprise. Most security measures involve proof material (such as passwords) and data encryption, which is the translation of data into a form that cannot be interpreted by an intruder.

We'll start by highlighting the important concepts, entities, and mechanisms used ...

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