A passenger on a Delta flight departing from the DEF CON hacker conference in Las Vegas allegedly launched a malicious "evil twin" Wi-Fi attack against fellow travelers.

Key Points

• The attacker used a deauthentication attack to jam legitimate onboard Wi-Fi for 30 minutes.
• A fake network named "Delta WiFi Fast" was broadcast to trick passengers into connecting.
• The incident was reported by flight crew via ACARS messages after passengers raised concerns.
• Delta confirmed that aircraft operating systems remained secure and flight safety was never compromised.
• Experts warn that such attacks, which can harvest credentials via phishing, are federal crimes.
• The FBI is reportedly involved in investigating the incident following the flight's departure from Las Vegas.

Why it Matters

This incident highlights the significant security risks posed by untrusted public networks, particularly for business travelers who may inadvertently expose sensitive corporate data. It serves as a reminder that users should utilize always-on VPNs and remain vigilant against suspicious login prompts when accessing Wi-Fi in transit.