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Health Informatics Glossary

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Z Segment   -   An ad hoc segment used in an HL7 message to carry clinical or patient data that otherwise has no defined field in the HL7 Standard. Z segments can be inserted in any message at any time. All Z segments start with the letter "Z". When using Z segments, it is important to have adequate documentation of what is included.   See HL7

Zero Day Attack   -   A malware attack that exploits a previously unknown vulnerability in a computer application. "Zero" refers to the number of days that the software developers have been aware of the vulnerability.   See Malware

 

 

 

 

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Last Update:   30 December 2013