Non-fulfilment of a requirement.
Source: ISO/IEC 27000:2014, Information technology — Security techniques — Information security management systems — Overview and vocabulary, Third Edition, January 2014. Global Standards
Non-fulfilment of a requirement
[ISO 9000:2005, definition 3.6.2].
Source: ISO 19011:2011 (E) – Guidelines for auditing management system. Global Standards