White-box testing The real point is that tests are usually designed from an abstract structure such as the input space, a graph, or logical predicates, and the question is what level of abstraction we derive that abstract structure from. That can be the source code, requirements, input space descriptions, or one of dozens of types of design models. Therefore, the "white-box / black-box" distinction is less important and the terms are less relevant. In penetration testing, white-box testing refers to a methodology where a white hat hacker has full knowledge of the system being attacked. The goal of a white-box penetration test
Black + White Mobile Black + White Mobile Black+White was a New Zealand mobile virtual network operator which used Vodafone New Zealand's GSM (and UMTS networks, where available). When the company was operational, their handsets were compatible with the Vodafone network and some may also be compatible with Spark's network. The handsets are similar to Vodafone's handset range but are sold at different prices. Although they operate on Vodafone's network, Black+White use their own mobile numbers with the 028 prefix at the beginning of the mobile number. Black+White was established in October 2008 by a former Telecom executive. It aimed to offer New Zealand