IBM says it has seen a decline in so-called browser-based cryptojacking attacks. The rise of virtual currencies such as bitcoin and monero brought new risks to enterprises. Attacks use victim’s computers to generate random hashes as part of the proof-of-work transaction systems for virtual currencies in return for a reward payment. The value of bitcoin and other cryptocurrencies has fallen 75 percent or more since December 2017, when bitcoin peaked at around $20,000 per coin, the value of it and other virtual currencies has fallen.”]
Source: https://www.inforisktoday.com/attackers-shift-to-malware-based-cryptominers-a-12351