Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

A test emergency alert dispatched to nearly every smartphone in the UK on Sunday, September 7 has triggered wild fears. A message will be delivered to almost every active iPhone and Android handset ...

A hacker who breached Brazil's national emergency alert system and pushed fake 'alien attack' warnings to millions of phones ...

Brazilians woke up today to a strange alert sent to their phones, the emergency alert was purported to be sent from aliens, warning them that ...

Residents of several cities in Brazil received notifications about an alien attack from the country's national civil defense.