This research paper has the main objective to study internal and external assessment proposed by Porter. Data collection was conducted by identifying the strengths, weaknesses, opportunities and threats of the company. Then perform weighting of internal and external factors for the company. The data is then processed using IFE (Internal Factor Assessment) and EFE (External Factor Assessment). Based on the result of the study, it was found that the company of testing and calibration service in Indonesia implementation of Internal and external assessment in cyber defense paltform calculation of the IFE Matrix and EFE Matrix values, the conclusion of the analysis is that the IFE Matrix value is 2.35 and EFE Matrix value is 2.15, when mapped to the Internal and External Matrix, quadrant V (stability zone)  will be obtained. Quadrant V means that it is best controlled with an out-and-out strategy. The strategies commonly used are market penetration and product development strategies.

Keywords
SWOT, IFE, EFE, Cyber Defense, Technology.