This paper provides some comprehensive evidence on the effects of cyber-attacks on the returns, realized volatility and trading volume of five of the main cryptocurrencies (Bitcoin, Ethereum, Litecoin, XRP and Stellar) in 99 developed and developing countries. More specifically, it investigates...

Purpose of the article: Cyber security has become a key factor in determining the success or failure of companies that rely on information systems. However, this entails considerable investment. Typical investments in information technology aim to create value, while investments in cyber...