More details here:
https://www.eff.org/deeplinks/2016/04/battery-dangerous-cybe...
https://www.accessnow.org/access-now-delivers-petition-brazi...
https://theintercept.com/2016/04/26/brazilian-cybercrime-bil...
The final voting will happen TOMORROW, 9 a.m. Brasilia time (GMT-3), 5am in California I guess. If you can help raise awareness and use EFF's Action Center to message the parliamentaries through Twitter and Facebook around that time, it would help a lot.
https://act.eff.org/action/fight-back-against-brazil-s-draco...
In portuguese, this is the best starting point on the debate (disclaimer: I work on antivigilancia.org):