Sept 19 (Reuters) - Equifax (NYSE:EFX) Canada:
* Equifax provides Canadians with additional clarity on cybersecurity incident involving consumer information
* Says providing additional information to canadians that may be among certain consumers impacted by cybersecurity incident announced by equifax
* Says originally thought incident was limited to U.S. consumers; discovered shortly before Sept. 7 announcement some Canadian, U.K. consumers were also impacted
* Says believe incident from before Sept. 7 involves potential access to personal information of approximately 100,000 Canadian consumers
* Says information that may have been breached includes name, address, social insurance number and, in limited cases, credit card numbers