Technology, software and hardware deployed without explicit organizational approval. In the early days of the computer era from the 1980s through the 2000s security and information system practitioners considered shadow IT as completely negative. Those unauthorized systems were nothing more than a hindrance that created more technical debt in organizations that were already swimming in it with the known and authorized systems.
Encore: shadow IT (noun) [Word Notes] | Hacking Humans podcast - Listen or read transcript on Metacast
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