Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or completely forgotten today.

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems. Authorities are investigating the breach.

Brazilians wake to fake alien attack alerts on 19 June after hackers slipped through a backdoor the FCC has spent years studying Paweł/Pixabay A hacker who breached Brazil's national emergency alert ...