From the perspective of information security and hacking, a space-based SIGINT/COMINT system is a dual‑use construct: it is both a tool for monitoring targets and, at the same time, a high‑value cyber target in its own right.

First, such a satellite constellation, designed to provide RF spectrum awareness for intelligence purposes, also becomes an attractive and high‑impact target for hostile cyber actors. Modern analyses of space systems emphasise three main attack surfaces: the space segment (the satellites themselves), the ground segment (ground stations and terrestrial networks), and the link segment (RF communication links between them).

On the space segment, the on‑board computer, flight software, payload control software and SDR components are resource‑constrained and difficult to patch. Any vulnerability discovered after launch may persist for the entire mission lifetime. If an attacker gains access to these elements, they could modify the frequencies being monitored, raise detection thresholds to blind the sensor in specific bands or regions, or disable the payload altogether.

On the ground segment, experience shows that many practical attacks against satellite systems begin with compromising ground infrastructure rather than the satellites themselves. The mission planning systems, control centres and analysis networks that handle tasking and intelligence data are exposed to conventional IT threats such as phishing, remote code execution and weak access control. An attacker who compromises the ground segment could retask satellites, redirect their focus away from areas of interest, manipulate logs and telemetry, or silently corrupt intelligence outputs.

On the link segment, the command, telemetry and inter‑satellite links are inherently broadcast over RF. If these links are not strongly protected by modern cryptography and robust authentication, they are vulnerable to jamming, spoofing and replay. A capable adversary might block command channels with jamming, inject forged commands or telemetry frames, or replay previously valid control messages to disrupt operations.

From an intelligence point of view, compromising the system has several serious consequences. An attacker could partially or completely blind the constellation over specific regions, mask particular waveforms or identifiers so they are never reported, or generate false positives by causing the system to report fabricated “hostile” activity. This undermines trust in the sensor, wastes operational resources and can mislead decision‑makers.

For these reasons, the system must be treated not only as a sensor that “listens to others” but also as a critical cyber‑physical infrastructure that must not itself be listened to, manipulated or subverted. Engineering‑wise, this implies a security‑by‑design approach: formal threat modelling for the space, ground and link segments; strong end‑to‑end cryptographic protection and command authentication; secure boot and signed payload software; hardened ground networks with modern zero‑trust principles; and strict supply‑chain and update‑process security.