Charles Schwab Corp.
Was it affected? No
Is there a patch? No
Do you need to change your password? No
What the company says:
"Efforts to date have not detected this vulnerability on Schwab.com or any of our online channels. … To give our clients additional peace of mind, we provide the Schwab Security Guarantee, which states that Schwab will cover 100% of any losses in any of your Schwab accounts due to unauthorized activity.”