5G Networks: The Backbone of Future Cyber Battlefields

Barshan Karmakar
Barshan Karmakar
Intern - Policy & Advocacy, CyberPeace
PUBLISHED ON
Nov 18, 2025
10

In the 21st century, wars are no longer confined to land, sea, and air. Rather, they are increasingly playing out across the digital domain, where effective dominance over networks, data, and communications determines who holds the upper hand. Among these, 5G networks are becoming a defining factor on modern battlefields. The ultra-low latency, massive bandwidth capability, and the ability to connect many devices at a single time are transforming the scale and level of military operations, intelligence, and logistics.  This unprecedented connectivity is also met with a host of cybersecurity vulnerabilities that the governments and the militaries have to address. 

As India faces a challenging security environment, the emergence of 5G presents both an opportunity and a dilemma. On one hand, it can enhance our command, control, surveillance and battlefield coordination. On the other hand, it also exposes the military and the security establishments to risks of espionage and supply chain vulnerabilities. So in this case, it will be important to strike a balance between innovation and security for turning 5G into a strength rather than a liability.   

How can 5G networks be a military asset? 

In comparison to its predecessors, 5G is not just about faster downloads. Rather, it is a complete overhaul of network architectures that are designed to support services and technologies according to modern technological requirements. In terms of military application of 5G networks, it can prove a series of game-changing capabilities, such as:-  

  • Enhanced Command and Control in the form of real-time data sharing between troops, UAVs, Radar systems and the Command Cells to ensure a faster and coordinated decision-making approach. 
  • Tactical Situational Awareness with the help of 5G-enabled devices can give soldiers instant updates on the terrain, troop movements, or positions and enemy movements. 
  • Advanced Intelligence, Surveillance and Reconnaissance (ISR) with high-resolution sensors, radars and UAVs that can operate at their full potential by transmitting vast data streams with minimal legacy. 

However, 5G networks can also help to become a key component of the communication component of the military command establishments that would allow machines, sensors and human operators to function as a single and integrated force.    

Understanding the importance of 5G networks as the Double-Edged Swords of Connectivity- 

The potential of 5G is undeniable, but its vulnerabilities cannot be ignored.  Because they are software-driven and reliant on dense networks of small cells. For the military, this shows that adversaries could exploit their weaknesses to disrupt the communication, jam signals, and intercept sensitive data, leaving behind some key risks, such as; 

  • Cybersecurity threats from software-based architectures make 5G networks prone to malware and data breaches.
  • Supply chain risks can arise from reliance on foreign hardware and software components with raising fears of embedded backdoors or compromised systems.
  • Signal jamming and interface in terms of millimetre-wave spectrum, 5G signals are vulnerable to disruption in contested environments. 
  • There can also be insider threats and physical sabotage over personnel or unsecured installations that could compromise network integrity. 

Securing the Backbone: Cyber Defence Imperatives 

To safeguard 5G networks as the backbone for future warfare, the defence establishments need to adopt a layered, proactive cybersecurity strategy. Several measures can be considered, such as; 

  • Ensuring robust encryption and authentication to protect sensitive data, which requires the installation of advanced protocols like Subscription Concealed Identifiers and zero-trust frameworks to eliminate implicit trust.  
  • Investing in domestic R&D for 5G components to reduce dependency on foreign suppliers. India’s adoption of the 5Gi standard is a step in this direction, but upgrading it into a military grade remains vital. 
  • To ensure collaboration across different sectors, the defence forces need to work with civilian agencies and private telecoms support providers to create unified standards and best practices.  

Thus, with embedding cybersecurity into every layer of the 5G architecture, India can work in the direction to reduce risks to maintain its operational resilience. 

The geopolitical domains of 5G Network as a tool of warfare- 

The introduction of 5G networks has definitely come as a tool of technological advancement in the communication sector. But at the same time, it has also posed a geopolitical context as well. The strategic competition between the US and China to dominate the 5G infrastructure has global security implications.  For India, aligning closely with either of the blocs will pose a risk to its strategic autonomy, but pursuing non-alignment can give India some leverage to develop its capability on its own. 

In this case, partnerships with the QUAD with the US, Japan and Australia can open avenues for cooperating on shared standards, cost sharing, and interoperability in 5G-enabled military systems. Learning from countries like the US and Israel, which are developing their defence communication and network infrastructure to secure 5G networks, or revisiting existing frameworks like COMCASA or BECA with the US can serve as platforms to explore joint protocols for 5G networks. 

Conclusion: Opportunities and the way forward- 

The 5G network is becoming a part of the central nervous system of the future battlefields. It can offer immense opportunities for India to modernise its defence capabilities and enhance the situational awareness by integrating AI-driven systems. The future lies in adopting a balanced strategy by developing indigenous capabilities, forging trusted partnerships, embedding cybersecurity into every layer of the networking architecture and preparing a skilled workforce to analyse and counter evolving threats. However, by adopting a foresighted preparedness, India can turn the double-edged sword of 5G into a decisive advantage by ensuring that it not only adapts to the digital battlefield, rather India can also lead it. 

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PUBLISHED ON
Nov 18, 2025
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