Function implement_security_measures 

pub fn implement_security_measures(
    config: &Config,
    rollback: &RollbackManager,
) -> Result<(), Box<dyn Error>>

Implements all security measures based on the provided configuration.

This function orchestrates the implementation of various security measures including:

• Configuring Fail2Ban
• Setting up advanced security (SELinux or AppArmor)
• Setting up rootkit detection
• Configuring regular security scans

Arguments

• config - A reference to the Config struct containing user-defined configuration options
• rollback - A reference to the RollbackManager for managing system state

Errors

Returns an error if any of the security measures fail to implement