Computer Science
Security & Cyber Defense Challenges
Security & Cyber Defense challenges put you inside the work of protecting systems from real attack. You'll build skills around the CIA triad, authentication, identity & access management and network security, and learn to work the OWASP Top 10 and run vulnerability scanning the way defenders do.
From there you'll tackle the harder edges — threat modeling, the MITRE ATT&CK framework, SIEM operations and incident response — moving into cyber risk management, Zero Trust architecture and red team operations. Each challenge you solve earns a verified credential you can share with recruiters.
Recommended Challenges
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You are the new IT security manager. Review current policies (provided in a brief), identify gaps against SOC 2 trust service criteria, and produce a new set of 5 core policies …
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Cyber-Physical Security Audit for a Connected-Building HVAC System
Audit one representative tower's BMS: enumerate BACnet devices (network discovery + capability inventory), identify lateral-movement paths (tenant wifi -> guest network -> BACne…
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Detection Engineering for Cloud DDoS Against a Public-Sector Portal
Receive sanitized logs from the 2 prior incidents (CloudFront, ALB, WAF) and the current AWS architecture. Design: 6 Sigma detection rules (mix L7 floods, slow-POST, low-rate di…
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Run an Incident-Response Tabletop for a Healthtech On-Call Team
Design 3 tabletop scenarios with realistic timeline injects (every 5-10 minutes, new info arrives). Run the tabletop hybrid (in-person + remote) with the 8 on-call engineers + 2…
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Site Reliability Engineering Practice your coursework on real scenarios.
Every challenge is shaped from real industry context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
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Author an Incident Response Playbook for a Fintech Startup
Author a 4-phase playbook (Prepare, Detect & Analyze, Contain/Eradicate/Recover, Post-Incident) covering 6 incident classes: data breach, ransomware, account takeover, payment-f…
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Forensic Reconstruction of an Anonymized Energy-Grid Incident
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Run a Mock Algorithmic-Discrimination Investigation for a Hiring-Tech Vendor
As a 3-person team, design and execute a 3-week mock inquiry. Produce: (1) the demand letter you imagine the regulator sending (scope, legal basis, data requested); (2) the vend…
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Design SLO-Driven Alerts for a Telco's Subscriber API
Receive a 90-day RED (Rate, Errors, Duration) metrics export for the subscriber API across 6 endpoints and 38 weeks of paging history. Define an SLO per endpoint (e.g., 99.9 per…
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Software Observability - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
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