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

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

From text alerts to a tornado siren, the city of Denver broadcasted three accidental emergency alerts in six months.

Brazil's civil defense alert system was hacked overnight, sending fake extreme alerts with the word "misantropi4" to millions of phones across multiple states.

Brazil's emergency alert system was compromised on Saturday, sending thousands of citizens fake messages containing the word ...

Imagine being in bed, sound asleep, when your country's emergency alert system suddenly goes off on your phone. Scary stuff.

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