Patent ID: 7020774

Claim:
A communications method, comprising the steps of: a user accessing a first site, via a computer network, from a first device; during access of the first site, the user successively selecting pages from the first site and receiving, from the first site to the first device, the selected pages, the successively selected and received pages forming a succession of pages, the selected pages being originated by the first site, the succession of pages being originated by the user's selection of pages; storing information representative of the received succession of pages in a storage first memory located outside the first site; and associating a certificate of integrity with the memory-stored information representative of the received succession of pages; the certificate of integrity being permanently memory-stored in association with the information representative of the succession of pages, the certificate of integrity enabling detection of any alteration, to the memory-stored information representative of the received succession of pages, made subsequent to the information being stored in the first memory, the information representative of the received succession of pages documenting a content of the received succession of pages, the first memory being a non-volatile memory, a step of detecting information characteristic of a transaction with the first site; and upon detection of information characteristic of a transaction with the first site, continuing to store the memory-stored information representative of the succession of pages, upon the step of detecting information not detecting information characteristic of a transaction with the first site, a step of deleting the memory-stored information representative of the succession of pages of the first site.