Keep your passwords, Personal Identification Number (PIN) and card numbers confidential Do not share your S.C Online Banking password or bank machine Personal Identification Number (PIN) with anyone. Giving your password or PIN to another person or company places your finances and privacy at risk. Change your password regularly and use a different password than you use for other websites. Make it difficult for others to guess your password by using a combination of letters and numbers in your password. If you think someone knows your password, change it right away. Never share, disclose, or provide your card number or password to another party or website other than S.C. S.C will never send you an e-mail requesting this information..