Security researchers will be publishing what they claim are critical vulnerabilities in PGP/GPG and S/MIME email encryption on May 15. In the meantime, EFF advises you disable PGP email clients. GPUPG offers different advice.
No laws were broken when Cambridge Analytica collected the data of 50 million Facebook users and used it to influence the election for president of the United States. There was no leak and no breach; just gross negligence — and that's terrifying.