Mitigation work began in January 2018 to resolve the problem, but, the letter says, "the task... was too large". MI5 may have illegally held large volumes of private data without adequate protection, according to documents released in the High Court during a case being brought against the Home Office by civil liberties organisation Liberty. MI5's internal documents revealed failures to comply with standards surrounding the storage of personal data and that the security agency failed to act on the breaches despite being aware of them for several years. The documents, which were obtained under Freedom of Information laws, show how senior officers at GCHQ had been storing vast amounts of information about British citizens who visited websites such as Facebook, Twitter or YouTube –
MI5 may have illegally held large volumes of private data without adequate protection, according to documents released in the High Court during a case being brought against the Home Office by civil liberties organisation Liberty. MI5's internal documents revealed failures to comply with standards surrounding the storage of personal data and that the security agency failed to act on the breaches despite being aware of them for several years. The documents, which were obtained under Freedom of Information laws, show how senior officers at GCHQ had been storing vast amounts of information about British citizens who visited websites such as Facebook, Twitter or YouTube –