Bitcoin network 3 to 10 times more ‘evil’ than the rest of the internet

New research reveals that 2 percent of the total bitcoin network has suspicious or malicious behavior on a bad day. Put another way, the bitcoin network is three times more “evil” than the rest of the internet on most days, but that spikes to 10 times “eviler” on bad days. Blockchains are off the rails, […]

Threat Actors Turn to Blockchain Infrastructure to Host & Hide Malicious Activity

In a troubling trend for enterprises and law enforcement, threat actors are ramping up their use of blockchain domains to hide malicious activity and improve their ability to withstand takedown efforts. Security vendor FireEye says it has observed a recent uptick in interest in cryptocurrency infrastructure in the cyber underground over the last year. Many different software […]

Blockchain and GDPR: Between a Block and a Hard Place

Blockchain and other emerging distributed ledger technologies offer the promise of increased security, transparency and resilience based on the use of distributed, immutable records. At the same time, the European Union General Data Protection Regulation (GDPR), which takes effect May 25, 2018, governs the use and protection of personal data collected from or about any European Union […]

9 reasons to be cautious with blockchain

Is blockchain — the network of global online ledgers — really secure? Its proponents say yes, as it assigns transactions or smart contracts to an immutable ledger, verifiable by multiple parties. However, a recently published paper calls out some vulnerabilities that may subject blockchain entries to inefficiencies, hacking and other criminal activity. The paper, published by Xiaoqi […]

World’s first Blockchain based security feature for Internet of Things is here

The blockchain is the technology that powers Bitcoin, the top cryptocurrency. Over the years there have been many discussions about the potential of blockchain technology to provide security for IoT devices, but few real-world applications so far. Now two Australian companies – Perth-based engineering services company LVX Group and Melbourne-based cyber security company VeroGuard Systems […]

6 use cases for blockchain in security

Blockchain is a decentralized, distributed electronic ledger built on the model of offering absolute security and trust. Using cryptography, transactions are recorded chronologically and publicly, each one time-stamped and linked to the previous one. Critically, these digital ‘blocks’ can only be updated through the consensus of all participants, with data interception, modification and deletion near […]