: Look for open-source security projects that are transparent and free to use by design.
: Files labeled as cracks or keygens frequently contain hidden malware, including spyware, ransomware, or miners. Ironically, a "crack" for a malware protector is a common way to deliver the very threats the software is supposed to prevent.
: Many top-tier security companies offer free versions of their tools, such as Malwarebytes Free , Avast , or AVG .