Due to the growing popularity of cryptocurrencies and the amount of individuals who invest in them, cybercriminals are increasingly attempting to compromise crypto wallets. Microsoft researchers have issued a warning about a new vulnerability dubbed "Cryware." Cryware is a sort of Trojan that steals information and data from cryptocurrency wallets that are not under the owner's control. These wallets are referred to as "hot wallets." An attacker may transfer funds to your wallet Microsoft has said that once an attacker has access to the target's hot wallet data, he may use it to move the target's bitcoin to his own wallets. The risky part is that once a bitcoin is moved, it cannot be recovered. When it is on the blockchain, the transactions are still irreversible if the user is unaware of them or has not given their approval. Cryptocurrencies are purely virtual or digital. It cannot be seen or felt, but it may be stored as a digital currency in an online