Computer Security Crossword Puzzle

QUESTIONS LIST: interception : communication between two parties has been overheard by someone, interruption : services or data become unavailable, unusable or destroyed, modification : unauthorized changing of data or tampering with a service, fabrication : additional data or activities are generated, encryption : transform data to maintain confidentiality and integrity, authentication : verify the claimed identity of a user, client or server, authorization : verify the requested action is permitted, auditing : useful for analysis of a breach and tracking attackers, access control : requiring correct permission to perform an action, role : a collection of permissions assigned to one type of user, capability : the right to perform one action, layer : one of several security mechanisms working together, simplicity : one easy way to design better security, early : when security features should be addressed in development lifecycle, decrypt : how to read encrypted messages, symmetric : sharing one key, firewall : common network protection at the edge, code signing : allows code from known source to be trusted, revokes : how an authority takes away past trust, delegate : temporarily loan your access rights, nonce : sent as part of a challenge, prevents replay attacks, security : last but perhaps most important system concern, proxy : gateway that filters traffic and executable code, challenge : key to getting a response, integrity : ensuring the message was not modified