The European Convention on Human Rights
Section 1 - ARTICLE 8
1. Everyone has the right to respect for his private and family life, his home and his correspondence.
2. There shall be no interference by a public authority with the exercise of this right except such as is in accordance with the law and is necessary in a democratic society in the interests of national security, public safety or the economic well-being of the country, for the prevention of disorder or crime, for the protection of health or morals, or for the protection of the rights and freedoms of others.
ARTICLE 13
Everyone whose rights and freedoms as set forth in this Convention are violated shall have an effective remedy before a national authority notwithstanding that the violation has been committed by persons acting in an official capacity.
I may be mistaken but (1) does not say "except his Internet correspondence" and I'm pretty sure Phorm do not qualify in the exceptions list (2).
http://www.europaworld.org/issue8/th...ight101100.htm
<...>and gives anyone residing in a Council of Europe member state an ultimate remedy if these fundamental rights are violated: appeal to the European Court of Human Rights in Strasbourg.<...>
They have covered issues such as: <...> secret surveillance of correspondence and telephone tapping; <...>