"Adobe customer IDs and encrypted passwords on our systems. We also believe the attackers removed from our systems certain information relating to 2.9 million Adobe customers, including customer names, encrypted credit or debit card numbers, expiration dates, and other information relating to customer orders."
Encrypted passwords and credit/debit card numbers, et cetera. So therefore you may also wish to monitor any cards which were on file at adobe.com. Resetting your password is a straightforward process.