Dutch security researcher Victor Gevers has discovered thousands of Bitcoin miners left exposed on the Internet. Gevers believes the devices belong to a Chinese state-sponsored group. All miners belong to the same Bitcoin mining pool and likely are operated by the same organization. The miners could generate an income of just over $1 million per day, in case operators use it to mine Litecoin cryptocurrency. Other netizens have accessed the miners before Gevers discovered them before he discovered them. The experts highlighted the speed in protecting the miners.”]
Source: https://securityaffairs.co/wordpress/62531/security/bitcoin-miners-exposed.html