Washington Mutual - Secure Bank Sign In Dear Washington Mutual client,
Washington Mutual is committed to protecting the security of our clients' personal information, including when it is transmitted online.
The new updated technologies will ensure the security of your payments through our bank.
Washington Mutual software and hardware will be updated.
Follow this link:Washington Mutual Online Banking
This security upgrade will be effective immediately and requires our customers to update their ATM card information.
Thank you for using Washington Mutual.