November 20, 2025

WhatsApp compromise leads to Astaroth deployment

Another campaign targeting WhatsApp users in Brazil spreads like a worm and employs multiple payloads for credential theft, session hijacking, and persistence

Threat Research

October 10, 2025

WhatsApp Worm Targets Brazilian Banking Customers

Threat Research

February 08, 2022

Sophos Announces Plans for New Data Centers in India and Brazil

The new data centers would expand Sophos’ existing base of data centers around the world in the U.S., Canada, Ireland, Germany, Japan, and Australia.

Products & Services

January 21, 2020

China and US top user data requests in Apple transparency report

Most of the US and China's requests had to do with investigations into fraud, suspected account access and phishing.

Naked Security

July 20, 2016

WhatsApp blocked, back up again after third court-order in Brazil

End-to-end encryption be damned: a court yet again demanded user messages, and a higher court yet again called the block disproportionate.

Naked Security

May 03, 2016

WhatsApp blocked by judge for failing to hand over data

The messaging service estimates that 100 million users have been temporarily blocked from using Brazil's most popular app. Again.

Naked Security

March 03, 2016

Facebook exec freed by Brazilian police after arrest over Whatsapp messages

First Apple refused to let the FBI in at the back door, now the police are coming through the front door and taking Facebook in for questioning.

Naked Security

December 18, 2015

WhatsApp blocked in Brazil after it refuses to hand over user data

Now working again, the service was off for 12 out of the 48 hours a lower court threatened to block it as the company refused to hand over user data.

Naked Security

August 12, 2015

X-rated videos shown on hacked Brazilian bus station screens

All your bus station arrival/departure video screens are belong to us!

Naked Security