CyberOps Associate case studies
CyberOps Associate · Put your knowledge to work in context.
CyberOps Associate is an associate-level Cisco certification for people who work, or want to work, on the front lines of a security operations center. It is aimed less at policy authors or penetration testers than at analysts whose day is spent watching telemetry: reviewing alerts, reading logs, triaging suspicious traffic, and following an incident through containment and reporting. The CyberOps Associate case studies are 5 cases and about 4,784 words.
1Two Criticals, One Maintenance Window
A 240-bed regional hospital runs its semi-annual vulnerability scan and gets two findings that both land in the "critical" bucket of the ticketing system. Finding A: CVSS 9.8, unauthenticated remote code execution in an outdated JBoss instance on the patient-scheduling web application.
877 words, about 4 min2The Alert That Fired 4,000 Times
The SIEM rule "Multiple Failed Logons" generates roughly 4,000 alerts per day. Triage shows 92% come from the vulnerability-scanner service account, 6% from help-desk password resets, and 2% from a recurring set of 30 hosts spread across the week - one of which is a finance workstation.
946 words, about 5 min3The Shadow SaaS Rollout
Your 18-person marketing team signs up for a project-management SaaS using their corporate Google accounts and "Sign in with Google." The OAuth consent screen requested read access to all Drive files and calendar, and three people clicked through without reading it. No security review was performed and no data-processing agreement exists with the vendor.
922 words, about 5 min4Ransomware on the Billing Server at 02:14
At 02:14 the EDR console shows BILL-01, your billing application server, encrypting files across two SMB shares; roughly 200 GB is affected and the ransom note names a leak site. The EDR timeline shows psexec launched from workstation WS-4417 using a service account that holds domain admin.
983 words, about 5 min5Beaconing in the Noise
Host 10.20.4.77 makes HTTPS connections to a single external address roughly every 300 seconds with jitter between 280 and 330 seconds. Each TLS handshake presents a self-signed certificate, and the JA3 fingerprint is identical across every session.
1,056 words, about 5 min