In July, the Pakistan Telecommunications Authority notified the country’s mobile phone operators that BlackBerry’s BES servers would no longer be allowed to operate in the country starting in December "for security reasons".

Blackberry alleges that the government wanted to monitor every email and BBM message sent through its servers in the country, a directive the company was not prepared to comply with.

“As we have said many times, we do not support ‘back doors’ granting open access to our customers’ information and have never done this anywhere in the world,” the company said in a blog post.

“Pakistan’s demand was not a question of public safety; we are more than happy to assist law enforcement agencies in investigations of criminal activity.”

“Rather, Pakistan was essentially demanding unfettered access to all of our BES customers’ information. The privacy of our customers...