Stone sought emails pertaining to Clinton's involvement in an alleged 2011 failed peace deal with Libya, according to a September 2016 email from Stone to New York radio personality Randy Credico.
During routine security monitoring, the company, whose clients include Fortune 500 firms, discovered that an unauthorized third party had infiltrated its systems and stolen PII.
While Barack Obama's Blackberry use was restricted during his presidency and former Secretary of State Hilary Clinton was pilloried for using her private smart device for work purposes, President Trump still wields at least two two devices issued to him by the government.
Researchers from various universities conducted what was described as the first large-scale study of apps used by stalkers to track their intimate partners.