What's currently happening to routers in Brazil should be a warning sign for users and ISPs from all over the world, who should take precautions to secure devices before the attacks observed in South American country spread to them as well. The attacks are nearly invisible to end users and can have disastrous consequences, having the ability to lead to direct financial losses for hacked users.
For nearly a year, Brazilian users have been targeted with a new type of router attack that has not been seen anywhere else in the world.