The hack is in protest of wars, a message in the deface page suggests:
“Stop spy on us. The Brazilian population do not support your attitude! The Illuminati are now visibly acting! Obama heartless! Inhumane! You have no family? The point in the entire global population is supporting you. NOBODY!”
The hackers added, they only want peace and not war.
“We do not want war, we want peace!!!”
You can check the list of websites provided by hackread here. Currently, those defacements made by BMPoc are already fixed.