The so-called interception and communications commissioner, Sir Paul Kennedy, "launched an inquiry".
The revelation was contained in a report by the interception of communications commissioner Sir Anthony May.
Latest figures produced by the government-appointed interception of communications commissioner, Sir Paul Kennedy, show there were 1,682 interception warrants approved by the home secretary in 2010.
The communications commissioner, Sir Paul Kennedy, a technical advisory board and judges on the investigatory powers tribunal will all have a role in overseeing the monitoring of data and investigating complaints.
Matthew Freud came "within 24 hours" of selling a minority stake in Freud Communications to Sir Martin Sorrell's WPP, in a deal valuing the marketing and PR agency at about £90m.
The interception of communications commissioner, Sir Paul Kennedy, also ordered police forces across England and Wales to disclose details of how they had used Ripa to obtain phone records to identify journalists' sources.
Huppert will say in the Guardian on Wednesday: "The interception of communications commissioner, Sir Anthony May, found in the last three years 19 police forces put in over 600 applications to view journalists' phone records to identify their sources.
The scale of the state's prying was buried in the back of the annual report (pdf) from the interception of communications commissioner, Sir Paul Kennedy, one of a flurry of reports released by the government just before MPs broke for the summer recess.
"Many of the largest drug-trafficking, excise evasion, people-trafficking, counter-terrorism and wider national security, and serious crime investigative successes of the recent past have in some way involved the use of interception and/or communications data," Sir Paul concluded.
Lynn Forester, a communications executive, and Sir Evelyn deRothschild, the international banker, were married on Thursday at the Liberal Jewish Synagogue in London.
