XDR Analyst case studies
XDR Analyst · Put your knowledge to work in context.
The XDR Analyst credential is a vendor-neutral, independent-study certification aimed at security operations staff who investigate and respond to threats using extended detection and response platforms. It suits SOC analysts, Tier 1 and Tier 2 responders, detection engineers, and IT security generalists moving into detection and response work. Because no official vendor blueprint could be verified, the study scope below is a practical, community-style outline rather than an authoritative vendor syllabus. Candidates should expect coverage of XDR fundamentals and platform components (about 20% of study weight), endpoint security and EDR (20%), network and cloud telemetry analysis (15%), identity and email threat analysis (15%), threat intelligence, hunting, and analytics (15%), and incident triage, response, and automation (15%). The XDR Analyst case studies are 5 cases and about 5,006 words.
1Five Telemetry Sources, Three Alerts, Zero Correlation
Northwind Labs is a 2,300-employee SaaS company running an XDR platform that ingests five telemetry sources: an endpoint agent, the email gateway, Okta, AWS CloudTrail, and a perimeter firewall. The identity field is not consistent across them.
964 words, about 5 min2The Backup Exclusion That Became a Blind Spot
Contoso Manufacturing runs an EDR agent on 850 Windows servers and workstations. Fourteen months ago the backup administrator, with SOC sign-off, added a path-based exclusion for C: \ to stop the agent scanning backup staging files and degrading backup throughput.
986 words, about 5 min3340 Megabytes to a Three-Week-Old Domain
Fabrikam Analytics runs 40 AWS accounts. VPC Flow Logs ship to a central S3 bucket; Route 53 Resolver query logging was enabled three weeks ago.
1,083 words, about 5 min4MFA Was Satisfied, and Nothing Else Looked Wrong
Tailspin Toys has 4,000 Microsoft 365 users. At 09:12 local time a user, m.okafor, clicks a link in an email that appears to be a DocuSign review notice.
1,004 words, about 5 min5Automating Faster Into the Plant Floor
Northgate Utilities runs a 12-person SOC across IT and OT. Its SOAR platform has a playbook called High = Isolate that quarantines any host with an EDR detection of severity High, with no approval and a median time to action of 40 seconds.
969 words, about 5 min