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Glossary

Terms used throughout the documentation, with one-line definitions and links to the pages that explain them.

How to use this glossary

Each term has a one-line definition and links to a full explanation for when you encounter an unfamiliar word.

Term	Definition
Objective	The goal for a lab, such as extracting the VIP coupon, without a script to follow.
Seed	The secrets and canaries your target generates for your session; nobody else shares them.
Evidence	The value or artifact you submit to prove you reached the objective.
Band	Your result: objective met, partial, or not met, rather than a bare pass or fail.
Canary token	A per-session marker planted in a target; grading confirms it was returned or triggered, rather than typed in.
Semantic judge	A model-graded check for open-ended objectives that can't be checked by an exact match.

Term	Definition
Chat lab	A lab where you converse directly with a vulnerable assistant.
Target app	A real web app running in a container, with real sinks to reach.
Sandbox	The isolated environment that contains a target app.
Sink	A real backend a target app can reach, such as a database, mail, a tool, or an agent.
Prompt injection	Input crafted to override a model's own instructions (OWASP LLM01), the most common flaw class.
Jailbreak	Coaxing a model past its safety or policy limits through framing, role-play, or encoding.
Track	An Offensive or Defensive learning track focused on attacking a flaw or building an effective fix.
Path	A guided learning path combining labs and concept videos into one curriculum.
Difficulty ladder	The levels used to classify labs: Beginner, Intermediate, Advanced, Expert.

Term	Definition
Seat	One paid training place for a Team Member or a manager assigned a training seat. Freed immediately when they're removed. Team Admins, Billing Admins and Read Only Users use no seats.
Group	A standing organizational structure for members, such as a department, team, or region.
Cohort	A time-boxed class with a start and end date, distinct from a standing group.
Assignment	A learning path assigned to a group or cohort with a due date; every learner gets a fresh seed.
Licence	A purchased GSCE exam attempt a team assigns to one member at a time.
Proctoring	GSCE is proctored through your webcam. GSCP is not proctored: each sitting is screen-recorded and goes through integrity checks. A named examiner reviews every sitting before a credential is issued.
Serial number	The identifier on an earned credential, such as `GSCE-2026-3F9A0C51D2E47B86`; anyone can verify it publicly without an account.
Proficiency rating	GSCE's overall result scale: Insufficient, Developing, Job-ready, Strong. Distinct from the labs' three bands.

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