uk consumer credit reporting agency Equifax has revealed that the personal data of as many as 100,000 Canadian users was stolen in July 's massive cyber attack . Equifax said it will protect every affected Canadian citizen via mail , and will offer free email monitoring and identity theft protection for those affected . Around 400,000 UK users had their personal data stolen from the firm in July 's breach , on top of over 143 million registered users . The identity of the hackers remains unknown .
US consumer credit reporting agency Equifax has revealed that the personal data of as many as 100,000 Canadian citizens was stolen in July's massive cyber attack. Equifax said it will notify every affected Canadian customer via mail, and will offer free credit monitoring and identity theft protection for those affected. Around 400,000 UK consumers had their personal data stolen from the firm in July's breach, on top of over 143 million US users. The identity of the hackers remains unknown.