Explain the difference between attachment and perfection

A security interest has to attach to the collateral before the legal relationship between the secured party, the debtor, and the debtor's collateral is created. Attachment means that the secured party has taken all of the following steps to create and enforceable security interest: (1 ) the secured party and the debtor make a security agreement and either the debtor has authenticated a security agreement describing the collateral or the secured party has obtained possession; (2 ) the secured party has given value to obtain the security agreement, and (3 ) the debtor has rights in the collateral. Perfection of a security interest protects the secured party against parties other than the debtor. The most common way to perfect is by filing a financing statement with the appropriate state agency.