Del. Code Ann. tit. 6, § 9-605
Except as provided in subsection (b), a secured party does not owe a duty based on its status as secured party:
(1) to a person that is a debtor or obligor, unless the secured party knows:
(2) to a secured party or lienholder that has filed a financing statement against a person, unless the secured party knows:
A secured party owes a duty based on its status as a secured party to a person if, at the time the secured party obtains control of collateral that is a controllable account, controllable electronic record, or controllable payment intangible or at the time the security interest attaches to the collateral, whichever is later: