100 Million Brazilians Disconnected from WhatsApp – Network Intelligence to the Rescue!

I was abroad this week when Brazilian court has ordered mobile operators in the country to block WhatsApp for 72 hours due to a dispute over access to encrypted data (the decision was reversed and service restored a day later). WhatsApp refused to turn over chat records related to a drug investigation to the courts, claiming these records are not accessible following the newly implemented end-to-end encryption capabilities.