A hacker who breached Brazil's national emergency alert system and pushed fake 'alien attack' warnings to millions of phones overnight has handed cybersecurity experts a working demonstration of a ...

Millions of Brazilians were jolted awake by a sudden 'alien invasion' phone alert at around 1:30am on 19 and 20 June, after emergency systems in cities including Belo Horizonte and Rio de Janeiro ...

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 ...