In some embodiments, a wagering game machine comprises a secure hard disk drive including at least one secure partition configured to store wagering game assets for use in presenting wagering games, and unsecured partitions configured to store wagering game content. The secure hard disk drive can also include an access controller configured to receive a request to access the wagering game assets and a first access key. The access controller can also deny the access request if the first access key does not match a second access key, and allow access to the wagering game assets if the first access key matches the second access key. The wagering game machine can also include a wagering game controller configured to send the request to access the wagering game assets, and to present, after being allowed access to the wagering game assets, wagering game using the wagering game assets.