AI Workbench · Level 10 of 15
Privacy first
Level 10 of 15 in the AI Workbench: a free AI exercise at Advanced level, which takes about 25 minutes. Find the personal data in a ticket export and remove it, while keeping everything the analysis needs.
Free · no download · about 25 minutes. Your work is saved on this device. Updated 18 Oct 2026.
The brief
- Client
- Larkfield Telecom (fictional, hosted by OFORO)
- Site
- OFORO data desk
- Work order
- OFR-WO-110
- Data set
- Support tickets
- Task code
- AIW-10
- Difficulty
- Advanced
- Type of work
- Responsible AI
Find the personal data in a ticket export and remove it, while keeping everything the analysis needs.
Skills you practise
- Personal data
- Redaction
- Data minimisation
- Pattern rules
What the test checks
The acceptance test marks the skills this level practises.
- Personal data
- Redaction
- Data minimisation
- Pattern rules
In this lab
- Train models in your browser
- Vision inspection, prompts, RAG and safe agents
- Check the AI's work before you trust it
Levels in the AI Workbench
Previous: Fairness checkNext: Check the AI's work: finance
- Data health check
- Train and evaluate without leakage
- Choose the metric and the threshold
- Overfitting: tune the tree
- Vision inspection on the conveyor
- Prompt to spec
- Answers with sources
- A safe agent
- Fairness check
- Privacy first
- Check the AI's work: finance
- Check the AI's work: HR
- Check the AI's work: marketing
- Check the AI's work: healthcare
- Check the AI's work: project management
Part of the AI Workbench
Prepare data, train a model and check the AI's work against a brief.
Feeds these internships: AI and Machine Learning, Data Science and Analytics, Generative AI and Prompt Engineering, AI Agents and Automation, Computer Vision, AI for Finance and Accounting, AI for HR and Recruitment, AI for Digital Marketing and Content, AI in Healthcare and Pharma, AI for Project Management.