INTERMEDIATE • Service Hardening

crontab for Secure Operations #20

Lesson context: Service Hardening (Intermediate level). crontab for Secure Operations #20 teaches a defensive workflow for crontab with least-privilege access mapping. Scenario: student assignment upload flow (detect suspicious behavior earlier). At Intermediate level, this lesson emphasizes practical controls and measurable risk reduction. Command focus: crontab, ss, netstat; objective: detect suspicious behavior earlier.