Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

A Linux microservice must accept HTTP connections on port 80, then parse user-supplied files. To honor the runtime least-privilege principle, which implementation approach is most appropriate?

  • Run the entire service as root but restrict outbound traffic with iptables rules.

  • Start as root solely to bind to port 80, then immediately setuid to a non-privileged service account before handling any requests.

  • Execute the microservice as root inside a Docker container, relying on container isolation for protection.

  • Launch the service as an unprivileged user and use sudo each time it needs to write its log file.

ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Concepts
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