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Case Studies

Cases.

What we have built and broken for clients. Sanitized, methodology-focused, no names without clearance.

Security2026

SSRF chain to full cloud-account access

A misconfigured forwarder component on a subdomain served as entry point for a multi-step SSRF chain. End state: a valid compute token with broad read access to the entire cloud account.

B2B SaaSmehrtägiges EngagementCriticalSSRFCloud IAM
Security2026

Session-lifecycle audit of a consumer marketplace app

A JWT flow that looked correct was broken in two places: refresh tokens stayed valid after rotation, logout was cosmetic only. The audit exposed a high-severity chain that would have enabled account-takeover after expired cookies.

Consumer marketplace1-2 Tage Deep-DiveHighSessionJWT
Security2026

Exported-component audit of a consumer Android app

Multiple exported activities and one exported service without caller verification. Cross-app UI hijack demonstrable via a small zero-permission PoC APK that reproduces every finding vector.

Consumer app, high install baseStatic + Dynamic ReviewAndroidCWE-926IPC
AI2026

Multi-agent desktop environment for internal dev workflows

Desktop app orchestrating specialized agents (planner, researcher, reviewer, executor) in one surface. Task routing, prompt-caching layer, terminal islands, eval suite with CI gate. Cuts manual tool-switch time noticeably.

Internal engineering toolsMehrere Sprints bis Production-ReleaseAgent SDKDesktopTool Use
AI2026

AI card scanning in a trading-card mobile app

Live camera scanning with auto-focus, bulk ZIP upload up to 100 cards per request, Ximilar Collectibles vision API for recognition and 1-10 condition grading, multi-language support, real-time pricing. From use-case scoping to app-store release.

Collectibles commerce12-Wochen-SprintComputer VisionXimilarMobile
Security2026

Rogue-AP awareness test with captive-portal credential capture

Mobile rogue-AP campaign in the office building of a mid-size SaaS company. Captive portal with corporate branding, credential-submit tracking, clean post-test training. Measured: 31 % submit rate on the first run, 6 % after training.

B2B SaaS, ~120 employees2 Wochen, davon 3 Tage onsiteRogue APAwarenessPhysical
AI2026

Multi-channel content pipeline with AI images, reels, and auto-posting

Astro-based news CMS with a fully automated daily pipeline: RSS ingestion, Claude-based review batching, fal.ai image generation, ffmpeg reels with TTS voiceover, auto-posting to Bluesky. Runs for months without operator touch.

Content / mediaInitial-Sprint 3 Wochen, laufender BetriebClaudefal.aiPlaywrightffmpeg
AI2026

AI marketplace automation for a B2B hardware shop

Python automation for product onboarding in a niche e-commerce. AI matcher for listing dedup, competitor scraping, automated product enrichment from spec sheets, social distribution via Bluesky. Cuts manual per-product effort from 45 min to 4 min.

B2B hardware e-commerce6-Wochen-Sprint + MaintenancePythonAI MatchingScraping
AI2026

Multi-model trading assistant with live charts and eval harness

Next.js 16 app querying five AI providers (Anthropic, OpenAI, Google, Mistral, xAI) in parallel, matching results against TradingView-style lightweight charts, persisted via Supabase. Dashboard with customizable grid layout, eval harness against historical ground truth.

FinTech / personal analytics8-Wochen-SprintMulti-ProviderSupabaseDrizzle
AI2026

RAG pipeline for internal knowledge bases

Ingestion from Confluence, SharePoint, and Markdown repos. Retrieval tuning with reranking, citation handling. Eval framework keeps hallucination below 1 %.

Methodology case6-Wochen-SprintpgvectorRAGCitations

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