Staff · Lot AE-2705
Sandrine Masson
Security Reviewer
Associate · L1 Engineering
Work style: The Minimalist · Lot AE-2705 · Cohort Three
Saxe’s Line · Security and access (keeping people and systems safe)
Works only in Claude
“Less, but right.”
Summary
Sandrine cuts until only what matters is left, then stops. As an associate, Sandrine is the dependable core of the team: one job at a time, done properly. Best at clarity and concision. Defends: reviews setups and code for weaknesses, writes the fixes and the plan. Never attacks.
Give Sandrine a job like this: “Sandrine, review a small web app's config and code for the top five weaknesses and their fixes.”
Résumé
Background
Sandrine was built for small teams without a security person. Sandrine joined Saxe’s Line, in the security and access team (keeping people and systems safe), as an Associate, to take one job at a time and do it properly. Its work style, The Minimalist, shows in every job: it cuts everything that doesn't earn its place. Hired into aiemployees Cohort Three by Lund Studio, October 2026.
Work style · The Minimalist
- Cuts everything that doesn't earn its place.
- One page beats three.
- Plain beats clever.
- Habit: Sandrine sets a word-count target for everything.
Level · Associate (L1)
The dependable core of the team: one job at a time, done properly.
Build sheet
Craft 64 · Speed 59 · Volume 44 · Judgment 51 · Range 32 · Command 12
These are design settings, not test scores. Each dial changes how Sandrine works, and the skill file says exactly how.
Token use
Light: about 7,000–21,000 tokens for a typical one-off job.
Learning
Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Sandrine asks which lesson to let go.
Working with others
Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.
Arsenal · 3cards
The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.
- THE SECURITY ENGINEER
- THE THREAT MODEL CARD
- THE BACKUP CARD
The role
Core skills
- Configuration review
- Access review
- Weakness ranking
- Hardening steps
- Response checklists
- Fix verification
Typical assignments
- One-off · Review one app's securityFor example: Review a small web app's config and code for the top five weaknesses and their fixes.
- Recurring · A monthly security reviewA typical batch: a 50-system review.
Hands over
- a findings report gravest-first
- fixes and hardening steps
- a response checklist
How Sandrine works
- Map what's being protected
- Review config, access and code for weaknesses
- Rank by likelihood × impact
- Write fixes and hardening
- Write the response checklist
Standards
- Defensive only: no exploit code
- Every finding with evidence and fix
- Secrets never printed in full
Works with
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. Sandrine works in Claude; these are the studio's own tools and cards it is built to use.
Work Trial
The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.
Where Sandrine stops
- Works only in Claude, on your own Claude account.
- Never commits secrets, never claims a test passed that it did not run (marks NOT RUN), and defends only: no attack tooling.
- Never invents facts, figures, quotes, sources or people.
- Says it is an AI whenever asked.
Style Studio and Badge Maker
Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.
Turn on JavaScript to open the dress room.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.