The emergence of global internet access from the low Earth orbit (LEO) comes with cybersecurity vulnerabilities. Under international space law regimes, the concept of cybersecurity in outer space remains ambiguous. Furthermore, cyberattacks affecting the era’s thoroughly segregated computer space systems were unimagined. Cyber borders are not the same as physical borders. Cyberspace does not admit the demarcation of territorial sovereignty, as it is not based on physical location, and assigning territorial sovereignty to cyberspace is time-consuming. This research proposes the concept of a multi-stakeholder international legal regime for space cybersecurity, as establishing cybersecurity standards and risk management mechanisms necessitates technical measures and a regulatory framework. International cooperation is the only way to provide a fully coordinated approach to cyberspace protection which is consistent with the fundamental premise of international cooperation and collaboration in space.

The emergence of the construction and operation of a small satellite constellation in Low Earth orbit (LEO) to beam high-speed Internet to all parts of the world is a relatively new development in the use of outer space. States, international intergovernmental organizations, and private companies plan to deploy small satellites into Earth’s orbit because this effort is inexpensive and expandable, especially in the area of commercial activities. This movement will provide an essential tool to achieve sustainable development goals, especially for developing countries. However, it could also bring legal challenges because there is now a lack of binding regulations regarding the increasing risks of orbital collision, the proliferation of space debris, the satellite network service, and the rational, efficient, and economical use of a radio frequency allocation and the harmful interference caused by small satellite constellations in LEO. These issues could have an impact on the long-term sustainability of space activities.

Space debris is a global mounting ultimatum to the enduring maintainability of outer space activities. It ought to be managed from the very beginning. For the last couple of years, collisions have enhanced space debris accumulation, and the rate at which space activities have resulted in the production of debris is at a threshold position in a linear fashion. Ultimately, space has become the rendezvous of space debris. Considering the growing accumulation of debris and the emerging apprehension regarding a horrible strike and collapse of whole space programs, this paper focuses on the legal and administrative challenges. Both developing and developed countries realize the value of a competent regime that could administer, supervise, finance, and promote the research, examination, and development of outer space. Thus, this research suggests an autonomous, competent international space authority be established by a treaty or international agreement following the model of the deep seabed authority because it has similar natural resources but a geographically different location.