Ethical Hackers OS · est. 2026

The operating system for ethical hackers.

Manage engagements. Write reports. Run recon. Track earnings. One workspace — built for serious bug bounty hunters.

Start your descent Try Terminal

open tools

flags solved

writeups

Four modules.

One depth profile.

Field

Curated bug-bounty writeups and disclosures — real vulnerabilities, distilled to the technique.

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Lab

Hands-on CTF challenges across web, crypto, forensics, pwn. Every solve earns Fathoms.

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Arsenal

Open security tools — PentX, FILEx, CSPy. Run them, fork them, ship a PR.

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Terminal

Browser-based recon shell. DNS, subdomains, CVE lookup, JWT decoder — no install needed.

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One profile. Six depths.

Every action earns Fathoms. Your rank advances as you go deeper.

Surface

0ƒ to start

Shallows

from 250ƒ

Twilight

from 750ƒ

Midnight

from 1,500ƒ

Abyssal

from 3,000ƒ

Hadal

from 6,000ƒ

Read a Field report+25ƒ

Crack a Lab flag+50–200ƒ

Publish a Draft post+50ƒ

Merge an Arsenal PR+100ƒ

From the field.

Full leaderboard

Top divers

max

0 solves · 1d streak

100ƒ 2

rest

0 solves · 0d streak

0ƒ 3

sakthi

0 solves · 0d streak

0ƒ

Latest writeups

criticalIDOR to full account takeover via predictable UUIDv14m highBlind SSRF reaching cloud metadata through a PDF renderer6m highStored XSS via Markdown image onerror in a comment field3m criticalJWT alg confusion: forging tokens by switching RS256 to HS2565m

All writeups

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Free to join. Start earning Fathoms today.

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