- Microsoft programs. Represent on average 35% of the programs on a computer with PSI installed.
- Third-party programs. Software from all other vendors - represents 65% of the programs on a computer with PSI installed.
- Operating Systems. We track vulnerabilities in the most prevalent operating systems.
Over a five year period, the share of third-party vulnerabilities has increased from 57% in 2007 to 86% in 2012.
From 2011 to 2012 alone, the number increased from 78% to 86%.
Non-Microsoft (third-party) programs rather than programs from Microsoft are responsible for the growth in vulnerabilities.
86% of vulnerabilities in 2012 affected third-party programs, by far outnumbering the 5.5% of vulnerabilities found in operating systems or the 8.5% of vulnerabilities discovered in Microsoft programs.
In 2011, the numbers were 78% (non-Microsoft), 10% (operating systems) and 12% (Microsoft).
Read more in the Secunia Vulnerability Review 2013. Download it here.