Security for costs In litigation, the usual position in relation to costs is that the losing party will be ordered to pay the other side's recoverable costs. Such costs may be substantial, especially when dealing with cases involving a foreign element which gives rise to additional costs, eg travel, expert evidence on law, etc. While a defendant may be confident of their ability to defend the claim, they may nevertheless have concerns about potential difficulties in seeking to recover costs provided for in any costs order against the claimant. The purpose of a security for costs order, an interim remedy, is to alleviate that concern by requiring the claimant to pay money into court, or to provide some other form of security, as a