
The OCTAVE (Operationally Critical Threat, Asset, and Vulnerability Evaluation) methodology is a risk assessment and management framework designed to help organizations identify, assess, and mitigate information security risks. It was developed by the Software Engineering Institute (SEI) at Carnegie Mellon University. OCTAVE-S is a flexible approach that offers different variants to suit various organizational sizes and needs. The two primary variants of OCTAVE are OCTAVE-S (S for Simplified) and OCTAVE-Allegro.
Risk management methodologies should include the suitability to the size of your organization. There are methodologies that are designed for the small to medium business, like certain OCTAVE variants. But most expect the organization to be of a substantial size and complexity. You may also look at the maturity of your organization’s risk management program. If the organization has been conducting risk management for a significant period, it may be better suited to undertake a more complex and robust methodology.
Those organizations newer to risk management, may prefer simpler approaches.
Below, I’ll provide an overview of both variants and then discuss which one is best suited for small organizations, followed by a detailed application.




