Leap Security
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Find Critical Security Risks Before Attackers Do

I run focused, manual security audits for startups and teams shipping fast — covering auth, APIs, business logic, and common real‑world attack paths.

Trusted by a 56,000+ cybersecurity community Clear scope • Clear report • Practical fixes
CVE-2025-54100

Leap Security helped find a critical Microsoft RCE

Manual audit uncovered CVE-2025-54100 – a remote code execution vulnerability in Microsoft products. Full disclosure and coordinated fix.

View Microsoft advisory

Built for teams that ship fast — and can’t afford a breach.

Perfect if you: handle user accounts, payments, or sensitive data
have a public API or mobile app backend
are launching soon / scaling users / preparing investors
need an expert review without hiring a full‑time AppSec engineer

Not a fit if you:

  • want a “guaranteed secure forever” certificate (nobody legit offers that)
  • need 24/7 SOC monitoring (different service)

What the audit covers

🔐

Authentication & Sessions

login flows, password resets, tokens, session management

🔑

Authorization & Access

IDOR, privilege escalation, role boundaries

📡

API Security

broken object level auth, rate limiting, schema validation

🧠

Business Logic

abuse paths, payment/credits, workflows that can be bypassed

🛡️

App Hardening

headers, CORS, caching issues, error leaks, secrets exposure

📦

Dependencies & Misconfig

risky packages, cloud/storage exposures, unsafe configs

What you get

  • 📄 Professional PDF report with severity ranking (Critical/High/Medium/Low)
  • 🔍 Clear reproduction steps + evidence
  • 🛠️ Practical remediation guidance (what to change, not just “fix this”)
  • 📞 1 debrief call to walk through everything
  • Optional re-test after fixes (paid or included — your choice)

“You’ll know what matters, what can wait, and what needs fixing today.”

See the report format before you hire

finding preview
sample

Reflected XSS on /search

Medium

Reflected input is rendered without proper output encoding, enabling JavaScript execution in the browser.

Example Payload
"-alert(1);//
Recommended Fix

Apply output encoding and validate/normalize user input.

severity + impact explained in plain English
proof and steps included
prioritized remediation

How it works

1

Request

You tell me what you’re building and what you want audited.

2

Scope & Access

scope, timeline, staging preferred.

3

Audit

manual + targeted automation.

4

Report + Call

walk through fixes.

5

Re‑test (opt.)

verify patches.

Pricing

Security Audit · starting at $300

Pricing depends on: size of app + number of roles, endpoints, staging availability, deadline.

Request a Quote

Why Leap Security

Research-driven approach (not checklist-only)
Clear communication with dev teams
Actionable reports focused on fixes
Built around modern web app attack paths

🔗 public work / CVEs / talks — leapsecurity.io/writeups (example)

Frequently asked questions

Do you guarantee finding every vulnerability?

No. Security is risk reduction, not a guarantee. I provide a thorough assessment within scope.

Do you test production?

Prefer staging. Production is possible in limited/safe ways if required.

Will you sign an NDA?

Yes.

How long does an audit take?

Typical: 3–10 days depending on scope.

What do you need from us?

Test accounts, feature walkthrough, API docs, staging URL, contact.

Do you provide a re‑test?

Yes, optional or included depending on scope.

Want a security review before your next release?

Tell me what you’re building. I’ll respond with scope + price.

Response time: within 24–48 hours