Equifax Canada has revised the number of Canadians caught up in a massive data breach earlier this year, saying an investigation has found that more than 19,000 were affected. The company previously said about 8,000 Canadian customers had their personal information compromised in the cyber attack, but couldn’t say how many additional credit cards were impacted across the country. Related: Crawford & Company welcomes new cyber leader for Canada Equifax issued a statement on Tuesday saying 11,670 of the affected credit cards are Canadian, bringing the total number of Canadians impacted by the hack to about 19,000. The company says an investigation has revealed that the credit card records contain names, addresses, credit or debit card numbers, expiry dates and Social Insurance Numbers. Hackers also accessed or stole the personal data of 145.5 million U.S. consumers and nearly 400,000 Britons in the breach, which was discovered on July 29. The company says it is notifying al...