Defense Cyber Security Market Size, Share, By Offering (Information Security, Cloud Security, Network Security, Identity & Access Management, and Others), Platform (Software & Service, Hardware, and Others), Application (Military and Defense, Communication Networks, Supply Chain Security, Public Services and Others), End-Use (Critical infrastructure, Military & Defense, Government agencies, and Others) and Region - Trends, Analysis, and Forecast till 2035

Defense Cyber Security size was valued at USD 42.5 Billion in 2025 and is expected to reach USD 103.7 Billion by 2035, growing at a CAGR of 10.3%.

The need for cybersecurity solutions is being driven by the recent increase in the frequency and intensity of cyberattacks, particularly targeting vital infrastructure and defence and military targets.  These attacks include infiltration and theft of intellectual property with the intention of obtaining sensitive information in order to impede the advancement of military and defence projects and also key infrastructure.

Défense organizations need strong solutions to secure data that is stored and transmitted because they are depending more and more on digital technology and interconnected networks. The market is expanding as a result of increased investment in security technologies brought about by the emphasis on safeguarding private data from espionage and cyberattacks.