RatedNew research by Google's Project Zero found that the Linux platform is much more secure than Microsoft Windows and Apple macOS.Discuss
In summary, Linux developers are the fastest to fix security vulnerabilities. Issues were resolved in an average of 25 days. Apple usually takes about 69 days, Google takes 44 days, and Mozilla takes about 46 days. But Microsoft spends almost three months fixing security vulnerabilities.
For mobile OS, Apple is releasing fixes for iOS faster than Google for Android.
Source: Gizchina