Third-party risk management (TPRM) has become one of the most pressing cybersecurity concerns facing portfolio companies as digital ecosystems expand and organisations rely more heavily on external service providers.
According to ACA Group, as businesses digitise operations, outsource critical functions and integrate a growing network of vendors, the traditional cybersecurity perimeter has largely vanished. Sensitive information, operational processes and business resilience now frequently depend on partners operating outside the direct control of the organisation itself.
For portfolio companies (PortCos), this shift introduces a growing mismatch between cyber exposure and effective oversight. While risk increasingly originates beyond the corporate firewall, many governance structures remain inward-looking, fragmented and reactive. This dynamic creates blind spots where external vulnerabilities can accumulate without clear visibility.
The problem is compounded by the fact that third-party relationships are often essential to growth strategies, meaning organisations cannot simply reduce vendor reliance without impacting operations.
Managing third-party risk is particularly…
