Editorial Feature

What is Threat Hunting?

When a robotic arm in a factory can be locked by ransomware or a surgical robot manipulated through a network flaw, the consequences go far beyond lost data. Robotics brings cybersecurity into the physical world, where a single compromise can halt production, endanger patients, or undermine trust in critical systems.

Two Surgeons Observing High-Precision Programmable Automated Robot Arms Operating Patient In High-Tech Hospital. Robotic Limbs Performing Complicated Nanosurgery, Doctors Looking At Vitals On Monitor.

Image Credit: Gorodenkoff/Shutterstock.com

This is where threat hunting comes in. Rather than waiting for alerts, security teams in robotics are adopting a proactive approach—sifting through telemetry, logs, and network behavior to uncover threats that hide beneath the surface. As adversaries target the unique blend of hardware, firmware, and connectivity that defines robotic platforms, structured threat hunting is becoming one of the most important defenses in the field.

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The Evolution of Threat Hunting in Robotics

Threat hunting started in the world of IT security, where analysts dug through systems to find signs of compromise instead of waiting for automated alerts. But robotics changed the game. Robots aren’t just computers with wheels or arms—they’re cyber-physical systems that blend hardware, custom software, sensors, and real-time communication. That mix makes them powerful, but it also creates unique weak points that attackers can exploit.

Think of it this way: tampered firmware, a compromised network protocol, or even manipulated sensor data doesn’t just threaten data—it can affect how a machine moves, reacts, or interacts with people. In those situations, waiting for alarms isn’t good enough. Threat hunting in robotics is about actively searching for the subtle warning signs that something isn’t right before it turns into a safety issue or an operational failure.

The rise in targeted attacks has made this shift unavoidable. A factory robot held hostage by ransomware, a hospital device taken offline, or a hijacked service robot in a public space isn’t just an inconvenience—it can disrupt lives. That’s why organizations are putting more resources into robotic cybersecurity, with investments growing steadily year after year.1,2

This leads to the next question: When we talk about threat hunting in robotics, what does that process actually look like?

Defining Threat Hunting in Robotic Systems

Threat hunting in robotics is a hands-on, proactive process. Instead of waiting for alerts or relying only on automated defenses, analysts go looking for trouble—scanning networks, logs, and device data for subtle signs that something is off. The goal isn’t just to catch known threats, but to uncover hidden compromises, suspicious behavior, or attack patterns that may not trigger traditional alarms.3

This work is both technical and investigative. Threat hunters often form hypotheses about where attackers might strike—for example, through firmware backdoors, lateral movement across robot clusters, or hidden malware in device updates—and then test those assumptions against real data. It’s part science, part detective work.

In practice, this involves combining automation with expert judgment. Robotic systems generate enormous volumes of information: logs from operating systems, telemetry from sensors, communication records, and even environmental data. On top of that, hunters bring in external threat intelligence to see how global attack trends might map onto specific robotic environments. The challenge is to connect the dots—to spot stealthy incursions that traditional tools miss and to identify vulnerabilities unique to each robotic setup.

What makes robotics especially tricky is its dual nature. Attackers aren’t limited to digital exploits; they can also target hardware, communication links, or even the interaction between a robot and its surroundings. That’s why threat hunting might involve reviewing firmware updates for hidden code, analyzing network traffic for anomalies, or studying unusual robot behavior that hints at tampering or hijacking.4

Anatomy of Robotic Threats

Robotic systems aren’t built like traditional IT infrastructure. They rely on distributed architectures, real-time communication, custom firmware, and specialized operating systems such as ROS (Robot Operating System). That complexity opens the door to a wide range of threats, each with consequences that extend into the physical world. Common attack types include:5

  • Ransomware targeting industrial or collaborative robots, locking them until payment is made
  • Remote hijacking through insecure protocols or misconfigured networks, giving attackers direct control
  • Sensor and actuator manipulation, where altered inputs or outputs can cause unsafe physical behavior
  • Intellectual property theft or espionage through system intrusion
  • Persistence attacks, where adversaries establish long-term, hidden access to robotic platforms

One of the most difficult challenges comes from zero-day vulnerabilities—flaws unknown to vendors and therefore unpatched. These can be exploited before defenses are in place, leaving organizations exposed. Slow vendor response times and the lack of standardized security assessment frameworks only make the problem worse.

Understanding these threats is essential for effective defense. They illustrate why robotic cybersecurity can’t rely solely on perimeter defenses and why proactive threat hunting is becoming a core part of protecting these systems.5

Core Methodologies of Threat Hunting

Threat hunting in robotics is not a single process but a collection of approaches that analysts apply depending on the system and the risks involved. One of the most common starting points is baseline and behavioral analysis. By studying how a robot normally operates (its sensor outputs, communication frequency, or actuator timing), analysts can spot deviations that hint at malicious activity. Even small anomalies, like subtle delays in motor responses, can provide the first signal that something is wrong.6

Another core technique is hypothesis-driven investigation, where hunters step into the mindset of an attacker. They ask questions like: What if an adversary moved laterally between connected robots? Could a firmware update hide a backdoor? These hypotheses are tested against real system data and enriched with external threat intelligence, turning abstract risks into concrete scenarios.7

To push defenses further, many organizations use red teaming exercises, in which security specialists simulate live attacks against robotic platforms. These tests often uncover vulnerabilities that passive monitoring misses—outdated components, weak configurations, or insecure communication protocols.5 Alongside this, proactive vulnerability assessments draw on resources such as the Robot Vulnerability Database (RVD) to check whether platforms are exposed to known attack methods.5

Given the sheer amount of data robots generate, automation and AI models are increasingly woven into the process. Machine learning tools sift through massive telemetry streams, flagging unusual patterns and updating detection logic in near real time. This allows human analysts to focus their expertise on the signals that matter most, rather than being buried in noise.6

What unites all of these methods is the need for repetition. Robots are updated, reconfigured, and redeployed constantly, and each change can introduce new risks. Effective threat hunting is therefore not a one-time exercise but a continuous cycle of investigation, testing, and refinement.

    Sector-Specific Threat Hunting

    While the principles of threat hunting are consistent, how they’re applied varies widely depending on the sector. In manufacturing, for instance, the focus is often on network segmentation and validating firmware integrity. Industrial robots tend to operate in tightly connected clusters, and a single compromised unit can ripple across an entire production line. Ensuring that each robot is isolated appropriately and that its firmware hasn’t been tampered with becomes a top priority.1

    In healthcare, the stakes are even more immediate. Surgical and diagnostic robots handle sensitive patient data and operate in environments where downtime can directly affect patient outcomes. Threat hunters here place special emphasis on encrypted communication, robust authentication, and continuous monitoring of device behavior to ensure safe operation.4

    Consumer and service robots, by contrast, face challenges rooted in accessibility. Many of these devices ship with weak default passwords, irregular software updates, and heavy reliance on cloud services. Threat hunting in this space often centers on monitoring cloud usage, spotting outdated software, and encouraging secure user practices—areas where small oversights can open the door to attackers.2

    Defense and unmanned systems bring yet another dimension. Here, the emphasis is on supply chain integrity, redundancy, and resilience against both digital and physical disruption. Threat hunting efforts may extend beyond the robot itself to include every step of its production and deployment pipeline, since a single compromised component can undermine an entire platform.4

    Across these sectors, the goal is the same: to adapt proactive security techniques to the realities of each environment. What changes is the balance—whether it’s safeguarding human safety in a hospital, protecting production uptime in a factory, or ensuring mission resilience in defense applications.

    Practical Challenges and Limitations

    Even as threat hunting becomes more common in robotics, it faces some stubborn obstacles. One of the biggest is diversity. Robots don’t run on a single operating system or communication protocol; they’re built from a patchwork of hardware, custom firmware, middleware, and third-party components. That makes it hard to create standardized defenses or apply the same security practices across different platforms.

    Legacy systems add another layer of difficulty. Many robots in factories, warehouses, and even hospitals were deployed years ago without modern security features. Upgrading them can be expensive, technically complex, or even impossible without disrupting operations. These older systems often become the weakest link in an otherwise secure network.8

    Adoption rates are another sticking point. Research shows that while most organizations invest in perimeter defenses, far fewer commit resources to deeper practices like firmware hardening, penetration testing, or regular red team assessments. Documentation across vendors is often fragmented, and responsibility for security in the supply chain can be ambiguous, leaving gaps that attackers can exploit.1,2

    On top of these structural issues, the threat landscape itself is evolving. Adversaries are no longer limited to pure cyberattacks; they’re blending digital and physical tactics, such as sensor spoofing, environmental manipulation, or supply chain tampering. This forces threat hunters to expand their scope, looking not only at code and networks but also at how robots interact with the world around them.4

    These challenges don’t make threat hunting impossible, but they do make it resource-intensive and highly specialized. Organizations that want to secure their robotic systems must be prepared for continuous investment, cross-disciplinary expertise, and a willingness to adapt as both technology and threats evolve.

    Autonomous and AI-Enabled Threat Hunting

    One of the biggest challenges in robotic security is scale. A single robot may produce thousands of log entries and telemetry points per second; a fleet of hundreds quickly generates data volumes that no human team can realistically review. This is where autonomous and AI-assisted threat hunting is beginning to play a practical role.

    Instead of sifting manually through raw data, machine learning models can filter and prioritize signals. Supervised learning helps flag behaviors that match known attack patterns, while unsupervised models identify anomalies that don’t fit established baselines. Reinforcement learning is also being tested to adapt detection strategies as robots receive updates or are redeployed in new environments. The result is faster identification of both known and novel threats, with analysts focusing on validation and response rather than endless log parsing.6

    However, automation doesn’t eliminate risk. AI models themselves become targets, vulnerable to adversarial manipulation, data poisoning, or carefully crafted false inputs that distort detection. A manipulated model may learn to ignore malicious behavior or generate enough false positives to overwhelm human operators. For that reason, autonomous threat hunting must include safeguards such as model validation, adversarial testing, and cross-checking AI outputs with human analysis.6

    Up till now, the most effective approach seems to be a hybrid one: AI handles the scale, humans handle the judgment. Analysts still set hypotheses, interpret ambiguous signals, and connect technical findings to operational impact, while autonomous systems accelerate the heavy lifting. In practice, this partnership is what makes large-scale robotic threat hunting feasible.6

    Future Perspectives and Standardization

    As robots take on more critical roles, the industry is recognizing that ad-hoc defenses aren’t enough. Standardized security frameworks and shared assessment tools are becoming essential to keep pace with threats that don’t respect organizational or sector boundaries.

    Efforts like the Robot Security Framework (RSF) aim to create common methodologies for scoring and addressing risks, so developers, integrators, and operators can speak the same security language. Similar to how IT benefits from standards like NIST or ISO, robotics will need its own baseline rules for testing, validating, and reporting vulnerabilities. Without them, every vendor is left to define security on their own terms, often with inconsistent results.5

    Zero-trust principles are also gaining traction in this space. Rather than assuming a robot or device is trustworthy once authenticated, zero-trust models require continuous re-validation of identities and privileges. This approach is particularly relevant as robots interact not just with local systems but with cloud services, APIs, and third-party integrations that expand the attack surface.1

    robotic security specialists, broader deployment of automated threat hunting platforms, and stronger cooperation across industries. The more autonomous and interconnected robots become, the greater the need for shared standards, cross-disciplinary expertise, and active collaboration between academia, vendors, and regulators.

    All of these trends point in the same direction: threat hunting is moving from a niche practice to a cornerstone of robotic cybersecurity. Which brings us to the bigger picture—why it matters now more than ever.

    Conclusion

    Threat hunting in robotics is really about trust. People step onto a factory floor, into an operating room, or even welcome a robot into their home with the expectation that it will work safely and reliably. That trust can be shaken quickly if systems are left exposed.

    By looking for hidden risks before they cause damage, threat hunting gives us a way to stay ahead of attackers in environments where the stakes are unusually high. The tools will keep improving—AI will help with scale, frameworks will bring consistency—but in the end, it’s the mindset that matters. Treating security as an ongoing investigation, not a box to tick, is what keeps robots dependable in the long run.

    As robots become part of everyday life, that kind of proactive defense will shape not only how secure they are, but how confident we feel using them.

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    References and Further Reading

    1. Tanimu, J. A., & Abada, W. (2025). Addressing cybersecurity challenges in robotics: A comprehensive overview. Cyber Security and Applications, 3, 100074. DOI:10.1016/j.csa.2024.100074. https://www.sciencedirect.com/science/article/pii/S2772918424000407
    2. Cyber Security in Robotics Market – AI & Automation Security 2023-2033. (2025). Future Market Insights Inc. https://www.futuremarketinsights.com/reports/cyber-security-in-robotics-market
    3. Yazdinejad, A. et al. (2023). Accurate threat hunting in industrial internet of things edge devices. Digital Communications and Networks, 9(5), 1123-1130. DOI:10.1016/j.dcan.2022.09.010. https://www.sciencedirect.com/science/article/pii/S2352864822001857
    4. Anatomy of Robots: Cybersecurity in the Modern Factory. (2023). txOne Networks. https://www.txone.com/blog/anatomy-of-robots-cybersecurity-in-the-modern-factory/
    5. Víctor Mayoral-Vilches. (2021). Robot Cybersecurity, a review. International Journal of Cyber Forensics and Advanced Threat Investigations. https://conceptechint.net/index.php/CFATI/article/view/41
    6. Sindiramutty, S. R. (2023). Autonomous Threat Hunting: A Future Paradigm for AI-Driven Threat Intelligence. ArXiv. DOI:10.48550/arXiv.2401.00286. https://arxiv.org/pdf/2401.00286
    7. Mahboubi, A. et al. (2024). Evolving techniques in cyber threat hunting: A systematic review. Journal of Network and Computer Applications, 232, 104004. DOI:10.1016/j.jnca.2024.104004. https://www.sciencedirect.com/science/article/pii/S1084804524001814
    8. Osinaike, T. et al. (2024). A Survey of AI-Powered Proactive ThreatHunting Techniques: Challenges and Future Directions. International Journal for Multidisciplinary Research. https://www.ijfmr.com/papers/2024/6/29183.pdf

    Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

    Ankit Singh

    Written by

    Ankit Singh

    Ankit is a research scholar based in Mumbai, India, specializing in neuronal membrane biophysics. He holds a Bachelor of Science degree in Chemistry and has a keen interest in building scientific instruments. He is also passionate about content writing and can adeptly convey complex concepts. Outside of academia, Ankit enjoys sports, reading books, and exploring documentaries, and has a particular interest in credit cards and finance. He also finds relaxation and inspiration in music, especially songs and ghazals.

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