Ars TechnicaBitcoin cyberextortionists are blackmailing banks, corporationsArs TechnicaA number of large UK corporations and institutions, such as Lloyds Bank and BAE systems, have reported a “marked increase” in Distributed Denial of Service (DDoS) attacks from the Bitcoin extortionist group DD4BC, which has been operational since last ...Cyber-Extortionists Targeting the Financial Sector Are Demanding Bitcoin RansomsBloombergBitcoin Extortion Group DD4BC Now Targeting Financial ServicesCoinDeskKnow DD4BC – The Extortionist Group Demanding Bitcoin RansomsnewsBTCFinance Magnatesall 13 news articles » > lees heel artikel