https://finance.yahoo.com/news/no-breach-not-secure-cambridge-221159164.html

Trump Lawyer’s Call to End Mueller Probe Tramples Vow to Cooperate" data-reactid="25">More from Bloomberg.com: Trump Lawyer’s Call to End Mueller Probe Tramples Vow to Cooperate

Facebook said it found out about Cambridge Analytica’s access in 2015, after which it had the firm certify that it deleted the data. On Friday, Facebook said it now knows Cambridge actually kept it -- an infraction that got Cambridge suspended from the social network. Once that was announced, executives quickly moved on to defending Facebook’s security.