Security researchers have uncovered several security vulnerabilities in blockchain platform EOS, some of which can be exploited by hackers to remotely execute arbitrary code on EOS nodes.
The Polish Credit Office (BIK) has announced that it will be moving up to 140 million credit records to Blockchain in what is seen as a significant development in the use of Blockchain for secure document management.
Internet users need a new kind of data permission system. Anything published on blockchain can be read by anyone, anywhere. That's kind of the whole point of it. So a new internet technology layer is needed to run on top of it.
There are five leading emerging cyber-security trends that everyone should know about: Prioritise cloud security; evolving ransomware; critical role of behavioural analytics/AI, Blockchain for security; Need for more cyber-sec pros.
At a cursory glance, the cryptocurrency landscape looks an awful lot like the old Wild West - lawless, volatile, open; no viable law enforcement in sight. But is there also a more positive side to blockchain technology?
Cyber-criminals have taken advantage of blockchain technologies to keep their websites and domains secure from takedown attempts by authorities, selling "dedicated host servers" as hack-proof to other cyber-criminals.
Italian cryptocurrency exchange BitGrail is feuding with the developers of Nano virtual tokens, with both sides pointing fingers after BitGrail issued an announcement claiming a malicious actor stole 17 million Nano coins.
The underlying principles of blockchains are perfect for creating data integrity across an enterprise's value chain, and, says Ian Smith, there are firms developing these 'enterprise blockchains': private, permission-based ledgers.
Stephen Holmes, suggests use of blockchain to thwart DDoS attacks, noting its collective computing power would require multiple nodes across multiple institutions to be attacked to overwhelm the full system.
Whether IBM or Microsoft's vision prevails, identity verification and device authentication are still a factor in security says Mike Lynch.
Blockchain is known for powering cryptocurrencies, but developers are finding many other innovative uses for crypto-secure transactions, write Adam Palmer and Michael Palage.
Ed Adshead-Grant discusses why blockchain is a wake-up call for cyber-fraud management.
Blockchain is held in high regard within tech circles. While cryptocurrencies using blockchain are thought of by some as facilitating cyber-crime and tax-dodging, blockchain can be used to achieve the opposite and is now predicted to revolutionise many business processes and democratise money itself.
Project Bletchley has been introduced by Microsoft and will use blockchain to secure financial transaction history and protect against fraud