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Computer & Information Sciences Challenges
Real industry-shaped challenges across Computer & Information Sciences. Pick the specific field you're studying, solve an actual brief, and walk away with verified, portable proof recruiters can confirm in one click.
Recommended challenges
- AnalysisIntermediateNew
Build a Risk Register for a Cross-Border Healthcare Provider
Run 8 structured interviews (CISO, IT director, clinical-systems lead, DPO, 4 clinic managers) to surface the top risk candidates. Map each risk against NIST SP 800-30 (threat s…
- Risk Management
- NIST Sp 800 30
- Security Governance
Information Security Management and Governance - DesignIntermediateNew
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…
- Incident Response
- NIST Sp 800 61
- Security Governance
Information Security Management and Governance - AnalysisIntermediateNew
GDPR + AI Act Compliance Assessment for an HR-Tech Vendor
Audit the candidate-screening product against: GDPR Articles 5, 6, 13, 14, 22, 25, 32, 35; AI Act high-risk-system obligations (Annex III - employment); plus the customer's spec…
- Compliance
- Privacy Regulation
- GDPR
Information Security Management and Governance - DesignBeginnerNew
Vendor-Security Review Program for a Series-C SaaS
Design a 3-tier TPRM framework (critical / important / low-risk) with explicit classification criteria (data type, integration depth, downtime impact, regulatory scope). For eac…
- Third Party Risk
- Security Governance
- Compliance
Information Security Management and Governance Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- AnalysisIntermediateNew
Privacy-by-Design Review for a Smart-City Data Platform
Map the new module's end-to-end data flow (sensors -> ingestion -> analytics -> dashboards -> exports). Run a Privacy Impact Assessment against OECD privacy principles + per-ten…
- Privacy By Design
- Privacy Regulation
- Compliance
Information Security Management and Governance - StrategySeniorNew
TLS and PKI Migration to Post-Quantum for a Cross-Border Bank
Receive an anonymized TLS inventory (endpoint, current cipher suite, TLS version, certificate issuer, last rotation, business criticality) and the bank's PKI hierarchy. Score en…
- Tls
- Pki
- Post Quantum Cryptography
Network Security - DesignIntermediateNew
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…
- Ddos Defense
- Detection Engineering
- Waf
Network Security - AnalysisBeginnerNew
Wireless Security Audit and Hardening for a Telco's Public Wi-Fi
Receive a sampled audit set: AP configurations for 80 sites (vendor mix, current encryption, EAP — Extensible Authentication Protocol — method, captive-portal config). Run analy…
- Wireless Security
- Wpa3
- Eap
Network Security - Browse challenges
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Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- DesignIntermediateNew
Intrusion Detection at the Edge for a Tier-1 Auto Supplier's OT Network
Receive an anonymized network diagram for 1 plant, sample pcap (packet capture) traffic of Modbus + OPC UA + PROFINET flows, and a list of 10 known OT attack scenarios from MITR…
- Intrusion Detection
- Ot Security
- Zeek
Network Security - AnalysisIntermediateNew
Network Privacy Posture Review of a Fintech's Internal Service Mesh
Receive an anonymized service inventory (110 services with owner, data classification, traffic volume buckets) and a sample of east-west traffic logs (5 high-volume service pair…
- Network Privacy
- Mtls
- Service Mesh
Network Security - CodeIntermediateNew
Apply Differential Privacy to a HealthTech Analytics Dashboard
Wrap the existing analytics layer with OpenDP (or Google's differential-privacy library). Implement epsilon-delta accounting: per-query Laplace noise for counts and sums, Gaussi…
- Differential Privacy
- Privacy Budget
- Python Or Javascript
Privacy-Enhancing Technologies - CodeSeniorNew
Build a Secure Multi-Party Computation Demo for Cross-Bank Fraud Detection
Pick MP-SPDZ as the MPC framework. Build a 4-party demo computing two protocols: (1) private set intersection of suspicious-account IDs across banks, (2) joint aggregate (count …
- Secure Computation
- Mpc
- Cryptography
Privacy-Enhancing Technologies Get recognized by recruiters and employers.
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Why Ewance
- CodeIntermediateNew
Implement Federated Learning for a Government Statistics Office
Use Flower as the FL framework. Simulate 8 municipalities each with a partition of a synthetic wage dataset (provided, 1M rows, EU-Labour-Force-Survey schema). Train a gradient-…
- Federated Learning
- Differential Privacy
- Python Or Javascript
Privacy-Enhancing Technologies - AnalysisIntermediateNew
Anonymous Communications Threat-Model for a Whistleblower Platform
Document the current stack's threat model using the LINDDUN framework (linkability, identifiability, non-repudiation, detectability, disclosure of information, unawareness, non-…
- Anonymous Communication
- Threat Modeling
- Tor
Privacy-Enhancing Technologies - AnalysisBeginnerNew
GDPR Article 25 Privacy-By-Design Review for a HealthTech API
Review the API specification (OpenAPI 3, provided, 42 endpoints). For each endpoint: identify data categories handled (special-category health data, identifiers, traffic data), …
- GDPR
- Privacy By Design
- REST API Design
Privacy-Enhancing Technologies - CodeIntermediateNew
Fuzz a Memory-Unsafe Image-Parsing Library
Identify 3 critical parser entry points (DICOM dataset parser, JPEG 2000 decoder, TIFF directory parser) and write a libFuzzer harness + an AFL++ harness for each. Build with AS…
- Fuzzing
- Memory Safety
- Address Sanitizer
Software Security - CodeIntermediateNew
Static Analysis SAST Rollout on a Fintech Codebase
Run baseline scans with Semgrep + SonarQube + Snyk Code across all 18 services. Triage the initial findings (likely 800-1,500 raw alerts) into true-positive / false-positive / i…
- Sast
- Semgrep
- Sonarqube
Software Security - DesignIntermediateNew
Threat Model a HealthTech Patient-Portal Web App
Read the 25-page redesign architecture document (auth via Clerk, Next.js front-end, FastAPI backend, Postgres, S3 for documents, webhook integration with EMRs). Build data-flow …
- Threat Modeling
- STRIDE
- Secure Design
Software Security - CodeIntermediateNew
Secure the Software Supply Chain of an Open-Source SDK
Audit the current state: dependency tree, publish process, GitHub Actions workflows, signing posture. Generate an SBOM (CycloneDX format) using Syft. Run OpenSSF Scorecard and t…
- Supply Chain Security
- Slsa
- Sbom
Software Security - AnalysisIntermediateNew
Secure-by-Design Review of a Microservices Auth Subsystem
Read the 18-page proposed auth-service design (Next.js BFF, FastAPI auth-service, Postgres for sessions + refresh, Redis for short-lived tokens, integration with Auth0 for OIDC)…
- Secure Design
- OWASP Asvs
- Oauth2
Software Security
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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