Services are the programs that run in the background on servers. All OSes come with a set of base services and most software utilizes services as well. Effectively managing servers means controlling these services—knowing what is there, what should and shouldn’t be running, whether or not services will automatically start on (re)boot and who the services should and shouldn’t run as. We’ll go through each of these pieces to see how a strong service management policy can help reliability and security in the data center and how configuration management and testing is key.
Cyber resilience is a fundamental change in understanding and accepting the true relationship between technology and risk. IT risk (or cyber risk, if you prefer) is actually business risk, and always has been. And the cybersecurity industry, for what it's worth, has generally avoided this concept because it goes against the narrative that their respective offerings—whether it's a firewall, IDS, monitoring tool, or otherwise—would be the one-size-fits-all silver bullet that can keep businesses safe. But reality tells a different story.