Banks have begun to buy bitcoin to pay the ransom demanded by cyber - criminals to prevent an increasing number of ransomware attacks . Both Finance and Healthcare industries are highly sensitive sectors where huge amounts of money and lives are at stake. The number of malicious software attacks targeting banks is believed to be increasing in number and sophistication ; the ransomware infects banks and leaves users locked out until a ransom has been paid , usually in the - criminals ' currency of choice , bitcoin .
Banks have begun to buy bitcoin to pay the ransom demanded by cyber - criminals to prevent an increasing number of ransomware attacks . The number of malicious software attacks targeting banks is believed to be increasing in number and sophistication ; the ransomware infects banks and leaves users locked out until a ransom has been paid , usually in the - criminals ' currency of choice , bitcoin .