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

Hackers breached Brazil’s national emergency alert system overnight on June 19 and 20, sending fake notifications to ...

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

A hack on Brazil's Civil Defense system blasted fake alien invasion alerts to seven cities, exposing the same WEA flaw the ...