Employers may use them on company-owned devices to monitor productivity or security, and parents may use them for child safety—provided they own the device.
Installing them on a device you do not own, or without the user's explicit knowledge, is generally considered illegal surveillance and a criminal act. Common Risks of Random Downloads Download Keystrokes here
They record usernames and passwords for banks, emails, and social media. Employers may use them on company-owned devices to