OTTAWA - The early-1960s revelation that British spy Kim Philby had worked for Moscow alarmed Canadian intelligence officials who feared that he had betrayed confidences gleaned from Soviet defector Igor Gouzenko, once-secret archival records show.

Harold Adrian Russell "Kim" Philby was recruited by Russian intelligence in the 1930s. He joined Britain's Secret Intelligence Service, known as MI-6, during the Second World War, rising through the ranks to become a senior liaison officer in Washington from 1949 to 1951.

British intelligence eventually learned of Philby's treachery and confronted him in Beirut in late 1962. Early the next year, Philby slipped aboard a freighter to the Soviet Union, where he was granted asylum and lived until his death in 1988.

On July 1, 1963, the U.K. House

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