Recently, in the science journal Nature, Google claimed ‘quantum supremacy’ saying that its quantum computer is the first to perform a calculation that would be practically impossible for a classical machine. This quantum computing breakthrough brings us closer to the arrival of functional quantum systems which will have a profound effect on today’s security infrastructure....

BitGrail Hack – Around $170M worth of cryptocurrency was allegedly stolen from an obscure Italian crypto exchange called BitGrail in 2018; it’s still unclear exactly how or by whom. Just weeks after Japanese crypto exchange Coincheck was hacked – an event dubbed “the biggest theft in the history of the world” at the time –...

Table of ContentsEnter the Blockchain TechnologyBlockchain Key Technical ConceptsNetwork of ParticipantsBlocks and Chains of Blocks“Permissioned” versus “Unpermissioned”“Public” versus “Private”Core Blockchain Security FunctionsRegulatory Point of ViewGovernance and Cybersecurity Challenges and ControlsInformation IntegrityPrivacy and ConfidentialityPractices and controls to considerDecentralized NatureKey ManagementPractices and controls to considerConsensus HijackPractices and controls to considerSidechainsPractices and controls to considerExploited Permissioned BlockchainPractices and...

You may have heard, over the last year or two, about the new technological miracle that is the blockchain. It seems that every banker, insurer, manufacturer, artist, lawyer and cybersecurity professional is shouting about blockchain from the highest peak and telling us how it will be used to secure everything against anything for all time,...