Definicje security interest w sieci:

The creditor's right to take property or a portion of property offered as security.
1-debt-consolidation-loans-and-services.org/glossary.html

An interest that a lender takes in the borrower's property to assure repayment of a debt. See Mortgage and Deed of Trust above.
www.classicmortgageco.com/financialglossary.html

Any interest in property acquired by contract for the purpose of securing payment or performance of an obligation.
www.commercialbar.com/lawterms.htm

means any conveyance, agreement, or arrangement in which personal property is used as security.
www.dorchestercounty.net/ProbateDef.htm

The legal right or share that the mortgage lender holds to the property.
www.reidepot.com/Glossary/s.html

The legal right to legal property an owner gives to the lender as collateral for repayment of a debt if the borrower defaults.
www.fhb.com/loans-mort-glossary.htm

The lien held by the financial institution on the vehicle being financed until all payments have been made.
www.volvocarfinance.com/finance/glossary.html

The interest of the creditor (secured party).
64.122.186.137/glossary.cfm

"Security interest" means an interest in a vehicle reserved or created by agreement and that secures payment or performance of an obligation, including, but not limited to, the interest of a lessor under a lease intended as security. [1993, c. 683, Pt. A, §2 (new); Pt. B, §5 (aff).]
janus.state.me.us/legis/statutes/29-A/title29-Asec602.html

The right to collateral in return for granting some form of financing. A creditor has a security interest in assets that have been pledged as collateral on a loan.
www.atozinvestments.com/investing-terms-s.html

A lien created by an agreement between the debtor and creditor.
www.vandenbos-chapman.com/index.php

Creditor's right in collateral under Article 9; the lien on the personal property or fixture.
www.swlearning.com/blaw/jennings/realestate7e/glossary.html

Seller retains a purchase money security interest in all equipment sold and the proceeds thereof until payment in full is received by Seller. Failure to pay the purchase price of equipment when due shall give Seller the right to repossess the equipment and to avail itself of any other legal remedy. Buyer agrees to execute appropriate financing statements upon request by Seller and to pay all expenses for recording thereof.
www.fastprinters.com/TermsandConditions.asp

If stated in your lease agreement, a lessor's legal right to your property (such as stocks or bonds) that secures payment of your obligation under the lease agreement.
www.eicu.org/eauto/glossary.htm

An interest in property, other than real estate, which is given as security for a debt. It is created by execution of a security agreement and one or more financing statements under the Uniform Commercial Code.
www.propex.com/C_notes_rec_glos.htm

Interest in real estate in which the real estate serves as collateral.
www.peakagents.ca/glossary/s7.htm

any interest in a property that secures the payment of an obligation
wordnet.princeton.edu/perl/webwn
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Aczkolwiek typowo po polsku sformułowałbym to następująco:
W wyniku/wskutek/na podstawie przedmiotowej transakcji wierzyciel uzyskał zabezpieczenie swych praw na nieruchomości, które (to zabezpieczenie) może uruchomomić/zrealizować/ z którego może skorzystać, w wypadku gdy dłużnik nie będzie wywiązywał sie z warunków umowy pozyczki