# Hacker0x01/hacker101

Source code for Hacker101.com - a free online web and mobile security class.

Repository: https://github.com/Hacker0x01/hacker101
Canonical: https://ross.abutalabs.com/products/hacker101
Homepage: https://www.hacker101.com
Language: SCSS
License: NOASSERTION
License Family: other
Topics: education, hacking, security, hackerone, hacker101, xss, clickjacking, csrf, web-security, session-fixation, unchecked-redirects, sql-injection, mobile-security, vulnerability
Last push: 2025-02-22T06:59:37+00:00

## Health v2 (maintenance only)
Score: 36/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 8, release rhythm 35, longevity 100
- inputs: {"age_days": 3201, "days_push": 557, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 14512, forks 2662 (observed 2026-08-28T04:11:07.193385+00:00)

## What it is
Hacker101 is a free online web and mobile security class from HackerOne, offering video lessons and capture-the-flag exercises. This repository contains the Jekyll source code for the hacker101.com website.

## Use cases
- learn web security for free
- get started with bug bounties
- practice hacking with CTF challenges
- learn about xss, csrf, and sql injection
- learn mobile security basics
- train as a security professional

## When to choose
- you want a structured, free introduction to web and mobile security
- you prefer learning through video lessons and hands-on CTF levels
- you're preparing for bug bounty hunting on HackerOne

## When to avoid
- you need a security scanning or testing tool rather than educational content
- you want advanced, specialized offensive security training beyond fundamentals
- you're looking for reference documentation rather than a course

## Facets
- artifact type: learning-resource
- maturity: active
- function: security, penetration-testing, developer-tools
- domain: security, education, web-development, penetration-testing
- platform: ruby, self-hosted
- tags: web-security, bug-bounty, ctf, hacking, jekyll, video-lessons, mobile-security, free-course, web-server

## Member repositories
- Hacker0x01/hacker101 (main) score 36

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:07.193385+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:12:30.501465+00:00, confidence not recorded.
  - readme: https://github.com/Hacker0x01/hacker101 (fetched 2026-08-28T04:11:07.193385+00:00, sha ae1e3ee0a0cb)
  - homepage: https://www.hacker101.com (fetched 2026-08-29T08:05:47.506544+00:00, sha fe65c217262a)
- Data as of 2026-08-30T08:39:29.467469+00:00.