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SudoRange

A cyber range in a browser tab

Built and refined since 2021 on real cohorts. It runs on a locked-down device, over a poor connection, in a room with no admin rights. That is why it works in a lecture theatre and in a barracks.

A SudoRange learner profile showing level, labs completed, score, global rank, streaks and achievement badges
The range

Real machines, real flags, a score that means something

A lab is a self-contained challenge with its own brief and its own environment. Flags are the objectives inside it. Each flag carries a level and a score, so harder work earns more.

Target and attacker machines

Purpose-built vulnerable targets paired with fully loaded attack desktops, from 230+ machine templates.

Nothing to install

Everything runs in a browser tab, on managed and locked-down devices. No VPN, no admin rights, nothing to break.

Isolated and repeatable

Each session is sandboxed, so every learner starts from the same clean state.

Beginner to expert

From first contact with no prior knowledge to hard, competition-grade problems for strong practitioners.

Content and coverage

Mapped to the frameworks you already report against

21
CyBOK knowledge areas
41
Structured courses
12
Self-guided streams
13
ATT&CK tactics covered
The Cyber Security Body of Knowledge: 21 knowledge areas grouped into five categories
The 21 CyBOK knowledge areas in five categories. CyBOK © Crown Copyright, The National Cyber Security Centre, licensed under the Open Government Licence v3.0.

Content is mapped to the Cyber Security Body of Knowledge (CyBOK), so you can see which knowledge areas a course covers. The learner dashboard scores each person across the same five categories, so strengths and gaps are plain to see.

Certification-aligned

CompTIA Security+, Network+, CySA+, Tech+ and Project+. EC-Council Certified Ethical Hacker and the Essentials series: Ethical Hacking, Network Defense and Digital Forensics.

Specialist streams

OSINT, network protocols, applied cryptography, SQL injection, vulnerability management, forensics, packet analysis and cryptocurrency.

Also cross-tagged to the NIST Cybersecurity Framework and the Cyber Kill Chain. Content added every year since 2021, and fully translated into Japanese for our partner in Hiroshima.

Evidence for managers

Capability you can show, not attendance you can count

  • Per-learner analytics. Completion and score history across every lab and course.
  • Level-weighted scoring, so a score reflects the difficulty of the work.
  • Leaderboards for individuals and teams, which keep people coming back.
  • Exam mode for timed, scored assessment and certification preparation.
  • Cohort management: groups, assigned pathways, progress monitoring and export.
Request evaluation access A scoped trial for the people who will judge the content.
48,700+ labs completedRecorded on the platform
13.4 labs per learnerAverage depth of use
318,000+ flags capturedEach one a skill demonstrated
A SudoRange learner dashboard showing labs completed, flags, points, a radar chart of knowledge areas and score per day
One learner’s record: labs, flags and score by knowledge area and by day
Next step

See the range against your own course

Plan a programme Book a CTF or workshop
  • Planning a term or a year? We map the range against your course, syllabus or roles and set up evaluation access for the people who will use it.
  • Need something in the next few weeks? Tell us the group, the level and a date. We confirm availability and a price within one working day.
  • Just need to sit an exam? Book a Pearson VUE slot at our Brecon test centre.
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