Delta Air Lines is investigating a suspected hoax Wi‑Fi incident on a Las Vegas to Atlanta flight following DEF CON, according to multiple reports. Crew members reportedly told passengers that a fake network using a “Delta WiFi Fast” name appeared, and that onboard Wi‑Fi was disrupted or “jammed.” The accounts describe passenger-created activity affecting the inflight connection rather than an attack on the aircraft.

Both outlets state that there is no indication the aircraft’s systems were hacked. Instead, the concerns center on possible phishing or impersonation of Delta’s Wi‑Fi branding, along with the operational impact of interfering with the service. The reports also note potential legal and enforcement issues if passengers used false network identities or other tactics to compromise user accounts or connectivity. Delta’s investigation is presented as ongoing, with the airline assessing what occurred and whether any policy or law was violated.

Overall, the incident is framed as a post-conference Wi‑Fi disruption involving a fake network, with no confirmed broader cybersecurity breach of onboard systems.