A Chief Information Security Officer (CISO) is reviewing the controls in place to support the organization's vulnerability management program The CISO finds patching and vulnerability scanning policies and procedures are in place However, the CISO is concerned the organization is siloed and is not maintaining awareness of new risks to the organization The CISO determines systems administrators need to participate in industry security events Which of the following is the CISO looking to improve?

A-Vendor diversification

B- System hardening standards

C- Bounty programs

D- Threat awareness

E- Vulnerability signatures