The OSSTMM is a consensus document whose objective is “to create one accepted method for performing a thorough security test” It is created by the Institute for Security and Open Methodologies, a non-profit organization. ISECOM offers classes to help students pass their certification tests. I was struck by the arrogance of this page from the OPSA course description: “If all you want to do is pass an exam, we recommend the following: take a few MBA classes in business information and security””]
Source: https://taosecurity.blogspot.com/2003/08/isecom-provides-non-profit-competition.html