What do I need to run my own Bitcoin node?

As a cryptocurrency enthusiast seeking to further enhance my understanding, I'm curious about the requirements for running my own Bitcoin node. Could you elaborate on the necessary hardware specifications, such as the recommended processing power, RAM, and storage capacity? Additionally, I'm interested in knowing the software requirements, including the latest version of Bitcoin Core and any other dependencies or tools I might need. Furthermore, what about security considerations? What steps should I take to ensure my node remains secure and resilient against potential attacks? Lastly, are there any additional resources or tutorials you could recommend for setting up and maintaining a Bitcoin node? Thank you for your assistance in this matter.