All accounting entries of a grantee must be supported by appropriate source documents, recorded in books of original entry, and posted to a general ledger on a monthly basis.
Point it at a site or an entire domain, such as .edu, and it generates a list of e-mails, log-in screens, database errors and source code, all of which are classic ways to gain entry onto a server.
The squeeze on mortgages has led to the entry of "credit crunch", along with the US source of the crisis - the "sub-prime" home loan to those with a poor credit history.