- Microsoft programs. Represent on average 34% of the Top 50 programs on a computer with PSI installed.
- Third-party programs. Software from all other vendors - represents 66% of the Top 50 programs on a computer with PSI installed.
- Operating Systems. We track vulnerabilities in the most prevalent operating system, Windows 7
Over a five year period, the share of third-party vulnerabilities has hovered around 75%.
76% of vulnerabilities in 2013 affected third-party programs.
Microsoft programs (including Windows 7 OS) account for 66% of the products in Top 50, but were only responsible for 24% of the vulnerabilities.
8% of vulnerabilities in the Top 50 were discovered in the Windows 7 operating system, and 16% of vulnerabilities were discovered in Microsoft programs.
In 2012, the numbers were 86% (third-party), 5.5% (operating systems) and 8.5% (Microsoft).
Read more in the Secunia Vulnerability Review 2014. Download it here.