a shallow foundation is defined as a foundation which
Shallow foundation A shallow foundation is a type of building foundation that transfers building loads to the earth very near to the surface, rather than to a subsurface layer or a range of depths as does a deep foundation. Shallow foundations include spread footing foundations, mat-slab foundations, slab-on-grade foundations, pad foundations, rubble trench foundations and earthbag foundations.
Defense in depth (computing) Defense in depth can be divided into three areas: Physical, Technical, and Administrative.[4]