Police are increasingly investigating PowerShell and other fileless cyber attacks , according to the Q1 2019 Internet Crime Statistics report from the company BlackFog . The attacks use the code of legitimate default Windows tools , like PowerShell , to convert them into malicious code . This is one of the key findings of the Q1 2019 These incidents , which do not require installing files , are difficult to prevent as they do not contain a detectable signature and exist in white - listed applications . Discounting direct or raw IP addresses , PowerShell attacks represent 5.65 % of all cyber attacks , rising to 10 % if data exfiltration by country threats are excluded , demonstrating the growing sophistication of cyber crime networks .
Police are increasingly investigating PowerShell and other fileless cyber attacks , according to the Q1 2019 Internet Crime Statistics report from the company BlackFog . The attacks use the code of legitimate default Windows tools , like PowerShell , to convert them into malicious code . These incidents , which do not require installing files , are difficult to prevent as they do not contain a detectable signature and exist in white - listed applications . Discounting direct or raw IP addresses , PowerShell attacks represent 5.65 % of all cyber attacks , rising to 10 % if data exfiltration by country threats are excluded , demonstrating the growing sophistication of cyber crime networks .