Older Linux discussions often contrasted desktop malware on Windows with the relatively small amount of spyware and adware seen on Linux. That comparison is too simple for modern systems.
Linux is not immune
Linux systems can be affected by malicious browser extensions, compromised packages, credential-stealing scripts, cryptominers, vulnerable services, supply-chain attacks and server malware. The risk profile differs from a typical consumer Windows desktop, but the platform itself is not inherently malware-proof.
What reduces risk
- Install software from trusted repositories and vendors.
- Keep the operating system, browser and exposed services patched.
- Use least-privilege accounts and avoid unnecessary root access.
- Review browser extensions and third-party install scripts carefully.
- Use backups and monitoring so suspicious changes can be detected and recovered from.
The more useful distinction today is not Windows versus Linux, but how software is sourced, how systems are exposed, and how well they are maintained.