Final answer:
The NIST Cybersecurity Framework's External Participation entails organizations managing risk by sharing information with partners, utilizing their skills to improve cybersecurity proactively.
Step-by-step explanation:
Under the NIST Cybersecurity Framework, External Participation involves an organization managing risk through partnership stategies, which includes sharing information with partners to ensure the distribution and consumption of accurate, current cybersecurity information. This proactive sharing of data and strategies is critical for improving cybersecurity and should occur before a cybersecurity event takes place. Partners often possess complementary skills that can enhance the overall management of cybersecurity threats.