Test it.
Train for it.
Master the hack.

Penetration testing, platform beta testing, corporate training, and mentorship. Community nights that run until sunrise.

See Hacknights What We Do

Penetration Testing Hacknights Platform Beta Testing Corporate Training Bootcamp Instruction Mentorship CTF Walkthroughs Community Sessions Penetration Testing Hacknights Platform Beta Testing Corporate Training Bootcamp Instruction Mentorship CTF Walkthroughs Community Sessions

01 About

Operators who test, teach, and show up in the room.

Cyber Sensei is a cybersecurity practice that lives in the work. We break applications, stress-test platforms, train teams, and mentor people breaking into the field.

We also build in public: Medium writeups, YouTube sessions, and all-night hacknights with communities that want the real thing, not a slide deck that ends at 5pm.

Offense & defense
Hands-on delivery
Community collaborations
Public writeups

lab Live floor

From a box named cybersensei-eh.

A slice of how a night actually moves. Recon, the web box, the flag, then dawn.

kali@cybersensei-eh : ~/hacknight-mmu

02 Explore

Go deeper where it matters.

The full story lives on its own pages, so the home page stays easy to read and the detail stays complete.

Work

Services on the ground, plus the AfricaHackon Dojo beta engagement.

Open work → 02

Hacknights

Overnight CTFs at MMU, with sold-out rooms, dawn walkthroughs, and floor mentorship.

Open hacknights → 03

Sessions

Stakenhub basics bootcamp, CTFROOM, Cyber Chief Circle, and partners we teach with.

Open sessions → 04

Writeups

Medium articles and YouTube walkthroughs you can learn from.

Open writeups → 05

Wins

Seven competition results from Kenya and the region.

Open wins → 06

Gallery

Frames from the nights, the sessions, and the crew.

Open gallery →

03 Why us

Dedication you can measure in hours and outcomes.

We stay until the walkthrough Hacknights end with creator-led reviews, not a silent scoreboard.
Platform + challenges + mentorship We host the CTF, write the boxes, and coach on the floor.
Industry voices in the room Guest gurus like steiner254 (HackerSavanna) bring bug-bounty reality to students.
Public proof of craft Medium writeups and community sessions show how we think under the hood.

04 Founders

Meet the founders.

Samuel Gachora

Co-Founder

Drives Cyber Sensei’s vision and strategy through practical security work, community sessions, and training that stays sharp.

LinkedIn →

Reuben Kanyoko