You can forward it to our security department. Their email address is: security@intuit.com
This TurboTax FAQ has more information about Avoiding phishing scams and spoofed sites:
https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/security-risk/avoid-phishing-scams-spoofed-sites/L1VBU9ck5_CA_en_CA