Authorities are investigating a cybersecurity breach at Harrisburg International Airport (HIA) after hackers gained access to the airport’s public address (PA) system on October 14, broadcasting an unauthorized message to travelers.
Unauthorized Access and System Compromise
Harrisburg International Airport (HIA) officials confirmed that around 5:42 p.m., an unauthorized user accessed the PA network and played a pre-recorded audio message that repeated for roughly 10 minutes. The recording contained unrelated and inappropriate remarks referencing global figures.
According to Scott Miller, spokesperson for HIA, the message did not pose a physical threat to passengers or staff. However, a Delta Air Lines flight, which was boarding at the time, was temporarily delayed and searched as a precaution before being cleared for departure.
“The message was unauthorized and inappropriate,” Miller said. “Our team acted immediately to disconnect the system and contact law enforcement to investigate how the breach occurred.”
Cybersecurity Investigation Underway
The Harrisburg International Airport’s IT department promptly shut down the compromised PA system, identified the source of the broadcast, and handed the recovered data to investigators. The Harrisburg International Airport case is now under state and federal investigation, with cybersecurity experts examining how the attacker gained access.
As of October 16, authorities have not confirmed a suspect or motive. The Federal Aviation Administration (FAA) and the U.S. Department of Transportation (DOT) are assisting in the ongoing probe.
U.S. Transportation Secretary Sean Duffy addressed the Harrisburg International Airport incident publicly, describing it as “unacceptable” and stating that federal officials are coordinating with the airport to strengthen cybersecurity and determine how the breach occurred.
Linked Incidents and Cyber Risks in Aviation
Reports suggest that similar incidents may have occurred at other airports in Canada, including Kelowna International Airport, Victoria International Airport, and Windsor International Airport. Investigators are working to determine whether these incidents are connected to the Harrisburg International Airport breach or part of a broader cyber campaign targeting aviation communication systems.
Although Harrisburg International Airport operations remained largely unaffected, experts warn that the event underscores the growing risk of cyberattacks on critical infrastructure. While systems like PA networks are separate from air traffic and flight control systems, they remain potential targets for disruption and misinformation.
Strengthening Airport Cyber Defenses
Harrisburg International Airport has since launched a comprehensive security audit of its communication and IT networks. The review includes updating access control protocols, applying enhanced network segmentation, and ensuring that all connected systems are monitored for suspicious activity.
Authorities have not disclosed whether the hacker exploited a remote software vulnerability or gained access through physical connections. Investigators are analyzing system logs and digital footprints to trace the origin of the attack.
Miller said the airport has taken immediate measures to enhance cybersecurity and prevent similar intrusions. “We’re reviewing all internal systems and implementing new safeguards,” he noted. “The safety and security of travelers remain our top priority.”
A Growing Call for Cyber Vigilance
Cybersecurity experts highlight that this incident serves as a reminder of the need for stronger digital protection across transportation systems. As airports increasingly rely on connected technologies for communication, logistics, and passenger services, cyber hygiene and regular system audits are essential.
Industry specialists also emphasize that even seemingly minor systems, like PA networks, can be exploited to cause confusion or damage public confidence if not properly secured. Strengthening authentication processes, monitoring network traffic, and ensuring timely software updates are key defenses against such threats.
The investigation into the Harrisburg breach remains active. Authorities continue to analyze technical evidence and coordinate with other airports to determine if the attack represents a pattern of coordinated cyber activity targeting aviation infrastructure.
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