o optimize the enterprise security information and event management $($SIEM$)$ solution, a multinational $\text{'}$s chief information security officer $($CISO$)$ is strategizing. The SIEM system acquires data from diverse sources, including Linux and Windows servers, advanced switches, Next Generation Firewalls $($NGFWs$),$ and routers.

Which feature should the CISO prioritize improving in the SIEM solution to standardize the data and enhance its searchability?