Search engines themselves acknowledge that their activities may involve personal information and they have policies to remove certain kinds of personal information, such as social insurance numbers, from their results. (slaw.ca)
Keep your passwords, bank account information and social insurance number confidential at all times, and check your bank and credit card statements frequently. (support.bell.ca)
Never give sensitive information like social insurance numbers or credit card numbers out over the phone unless you know the person on the other line. (armourinsurance.ca)