Security of data is not only about encryption and protection – it starts from a basis of whether you’re secure in relying on the data in the first place. Because you know where you receive the data from, that doesn’t mean that that data is as per the original, complete and tamper-free.
Frequently data is received indirectly, from data aggregators and vendors, from third parties, etc, and it’s therefore important to be able to check what data you receive against the data that its originator created. Notarisation of digital data has become a requirement so that recipients of data can cross-check it electronically and immediately against the original – particularly where the data is to be used as the basis for contractual agreements and investment decisions. [Read more...]