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Muster.

how it works

Connect it. Watch it attack.
Get proof.

No scoping call, no scheduling. Point Muster at your app and its AI agents run the attacker's loop against your live surface, then hand you the exact exploit and the fix.

Get started →

free to start · no sales call · first exploits in ~10 min

Mustered in minutes.

No agent to install. No pentest to schedule.
Connect Muster and watch it work.

01

Connect in 60 seconds

Paste your app's URL and optionally link your repo or cloud resources. Muster maps everything an attacker can reach.

app.mustersecurity.com/setup

your app url

https://app.acme.comConnect
mapping attack surface
✓Web appacme.com
✓APIapi.acme.com
✓Repogithub.com/acme/app
✓Dependencies214 packages
✓CloudAWS · 3 accounts
02

Watch the agents attack

Muster's AI swarms your app like real attackers, chaining auth bypass, IDOR, and injection at machine speed.

app.mustersecurity.com/run
6 agents activeexploits found 3
✓ EXPLOITGET /api/orders/4012another user's invoice
→ testingPOST /login × 500 (credential stuffing)
✓ EXPLOITGET /admin/users (no session)200 OK
✓ EXPLOIT?q=' OR 1=1 --12,904 rows
→ testingGET /files/inv_2231.pdf
✓ EXPLOITurl=169.254.169.254/latestcloud metadata
✓ EXPLOITreset-token replay (9 days old)logged in
→ testingGET /api/users/{id}/cards
✓ EXPLOITGET /api/orders/4012another user's invoice
→ testingPOST /login × 500 (credential stuffing)
✓ EXPLOITGET /admin/users (no session)200 OK
✓ EXPLOIT?q=' OR 1=1 --12,904 rows
→ testingGET /files/inv_2231.pdf
✓ EXPLOITurl=169.254.169.254/latestcloud metadata
✓ EXPLOITreset-token replay (9 days old)logged in
→ testingGET /api/users/{id}/cards
03

Get the proof, and the fix

Each exploit comes with proof and a one-line fix. Ship it, hit re-test, and watch it turn green.

app.mustersecurity.com/findings
HIGHOrder readable as another user✓ proven

GET /api/orders/4012 → 200 OK · belongs to user #12

fix Verify order.userId === session.userId before returning.

re-testing the fix
✓ verified fixed · holds on every deploy

The best way to understand it is to see your own findings.

Get started →

free to start · 1 app · results in ~10 minutes

or read how the continuous pen test works →