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Delta Flight Passengers Suspected in Wi-Fi Interference After DEF CON

Passengers on a Delta flight from Las Vegas to Atlanta are suspected of interfering with the aircraft's Wi-Fi system on Monday. The incident occurred the day after the DEF CON hacker conference concluded.

12 August 2026
Delta Flight Passengers Suspected in Wi-Fi Interference After DEF CON

Delta Air Lines is investigating an incident where passengers aboard flight 591, traveling from Las Vegas to Atlanta on Monday, allegedly interfered with the plane's onboard Wi-Fi. The event took place one day after the conclusion of the DEF CON cybersecurity conference in Las Vegas.

According to social media reports monitoring aircraft communications (ACARS), pilots on the flight sent a message indicating that passengers from a "cyber conference in Vegas" were able to jam the Wi-Fi and broadcast their own signal. DEF CON is a well-known annual gathering for hackers and security professionals.

The airline confirmed the investigation and stated it is working with law enforcement. The specific method of interference or the exact number of passengers involved has not been disclosed. Delta has not commented on potential impacts to flight operations or other passengers.

This incident highlights potential security vulnerabilities related to onboard network systems and the technical expertise present at large cybersecurity gatherings.

Original source: arstechnica.com