Cybersecurity8 July 2025 3m cisa.gov

Guidance for Addressing Suspicious Drone Activity Near Infrastructure

With the rise in drone usage, critical infrastructure owners must establish protocols to differentiate between regular and suspicious drone activities. The CISA outlines key actions for safety and security.
Guidance for Addressing Suspicious Drone Activity Near Infrastructure

Key Takeaways

  • 1."Establishing procedures can significantly enhance an organization’s ability to maintain operational integrity while keeping airspace accessible for compliant drone operators," said a CISA official.
  • 2."Communication is key," said the official.
  • 3."The proliferation of capable drones means critical infrastructure must be vigilant," warned the CISA representative.

In an era where unmanned aircraft systems (UAS) are becoming increasingly common, the Cybersecurity and Infrastructure Security Agency (CISA) has released vital guidance for owners and operators of critical infrastructure. As more individuals and businesses turn to drones for various purposes, establishing protocols to differentiate harmless flights from potentially threatening ones is essential.

The CISA recognizes that, while most UAS operations adhere to Federal Aviation Administration (FAA) regulations and pose little risk, some patterns might indicate suspicious behavior that warrants closer scrutiny. To help organizations navigate this growing concern, they advise on establishing a framework to distinguish between routine UAS activity and anomalies that may raise red flags.

"Establishing procedures can significantly enhance an organization’s ability to maintain operational integrity while keeping airspace accessible for compliant drone operators," said a CISA official. Among the recommendations are strategies to accurately assess UAS patterns and respond effectively.

"Establishing procedures can significantly enhance an organization’s ability to maintain operational integrity while keeping airspace accessible for compliant drone operators,"

Person using laptop with holographic cybersecurity shield and digital interface elements
Person using laptop with holographic cybersecurity shield and digital interface elements

The first step in the guidance emphasizes the importance of identifying regular UAS flights in the vicinity of critical infrastructure. An understanding of local air traffic can allow facility owners to forecast when and where drone activity is likely. CISA advises that organizations keep their security teams informed about expected UAS operations.

"Communication is key," said the official. "Regular updates regarding known UAS activity help security personnel identify deviations from the norm."

Multiple computer monitors displaying cybersecurity dashboards, world maps, and data analytics in a dark control room
Multiple computer monitors displaying cybersecurity dashboards, world maps, and data analytics in a dark control room

To effectively map out routine UAS activity, organizations should consider various factors. They should review whether the airspace is controlled or restricted by the FAA and contact the local FAA Flight Standards District Office to find out about any UAS testing ranges nearby. Interaction with local drone enthusiasts and hobbyist groups can also provide insights into where recreational flights frequently occur.

"Understanding your environment is crucial," the CISA spokesperson added. "Engaging local community stakeholders can shed light on events that may involve drone usage."

"Understanding your environment is crucial,"

Moreover, conducting surveys of surrounding areas may reveal locations that are attractive to aerial photographers or drone enthusiasts, such as parks, landmarks, or agricultural fields. Identifying critical infrastructure that requires beyond-visual-line-of-sight (BVLOS) operations can also assist in creating an accurate picture of UAS activity needed for inspections of railroads, pipelines, or electrical lines.

The guidance continues by highlighting the necessity for organizations to comprehend the inherent risks that UAS pose to their assets. Understanding UAS capabilities leads to better preparedness against potential threats. Drones equipped with high-definition cameras can easily collect sensitive data, while cyber tools embedded within UAS can disrupt communication networks.

"The proliferation of capable drones means critical infrastructure must be vigilant," warned the CISA representative. "Drones can quickly compromise security and sensitive information if left unchecked."

"The proliferation of capable drones means critical infrastructure must be vigilant,"

Specific concerns arise from UAS functionalities, such as high-resolution imaging or the ability to disrupt radio signals via portable jammers. These capabilities signal that even innocent-looking drone flights can have grave implications for infrastructure security.

To further assure safety, CISA proposes collaborative efforts among facility owners, local authorities, and public safety officials. Sharing intelligence about planned drone operations enhances the awareness of any unusual activity that could pose a risk.

"Teamwork across sectors is paramount in mitigating risks. When we share information, we put ourselves in a better position to respond to potential threats." said the CISA spokesperson.

Finally, the guidance stresses the importance of regular engagement with the FAA’s resources to stay up-to-date on drone flight restrictions and operational regulations.

In conclusion, as the UAS landscape evolves, so too must the strategies employed by infrastructure owners. By understanding the prevalence of UAS, recognizing potential risks, and encouraging open communication, organizations can better safeguard critical operations against the potential threats posed by unauthorized or suspicious drone activity. This proactive approach ensures not only compliance with regulations but also enhances overall security in a rapidly changing aerial environment.