This can be done a variety of ways, including: password guessing, data diddling, virus implementation, IP spoofing (address forging), sniffing (password monitoring) and scanning (e.g., programs that probe for network vulnerabilities or dial telephone numbers to identify the ones connected to modems). An attestation made by a proper officer, by which he certifies that a record is in due form of law, and that the person who certifies it is the officer appointed by law to do so. 2. The Constitution of the U. S., art. 4, s. 1, declares, "Full faith and credit shall be given in each state to the public acts, records and judicial proceedings of.