Secunias Vulnerability Review 2014 provides an interesting analysis of the number of vulnerabilities in the Top 50 portfolio products. Third-party programs are responsible for 76% of the flaws identified in the 50 most popular programs in 2013. The analysis is based on a sampling of the company’s seven million PSI users, security specialists have found 1,208 vulnerabilities in. the above. third-party software is issued by a vast variety of vendors. Each vendor has its own security update mechanisms and varying degrees of focus on security. This represents a major challenge to the users of personal computers.”]