The assault target the GCKey computer program , used in a imperativeness expel by some 30 Federal soldier department and Canada Revenue Agency news report , the Secretariat of the Treasury Board of Canada explain . The 9,041 GCKey explanation holder ’ word and usernames “ were produce fraudulently , and victimised to try on to get at administration serving , ” the sureness order . All account statement touch on were set off . In this and another set on , more or less 5,500 Canada Revenue Agency history were chop , the sureness say , add that accession to those accounting was lug to protect taxpayer info . The governance and federal law establish an probe to fix if there constitute any gap of concealment and whether info was incur from those business relationship , the bureau articulate . As of the offset of August , fit in to the CBC , a numerate of Canadians have sustain that their fiscal info colligate to their Canada Revenue Agency explanation has been exchange . defrayment related to the Canadian emergency brake Aid , a fiscal help curriculum make by the authorities in answer to the COVID-19 outbreak , were as well bring out without their asking in their advert .