Offensive security

Find the gaps before attackers do

Pentesting, audits and continuous security done by hand, using the same techniques that find critical bugs in the most hardened platforms in the world.

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Vulnerabilities reported and accepted at

PayPal
Shopify
Snapchat
OKX
MetaMask

And other Fortune 500 companies and global leaders in their sector, through their bug bounty programs.

View track record on HackerOne

If you're reading this, chances are

01A client or an investor is asking for a pentest report and you don't have one.
02Your last audit was an automated scan nobody on the team took seriously.
03You ship every week and nobody is watching what each release exposes to the world.

Services in this line

01Web & API pentestingManual penetration testing of web applications and REST/GraphQL APIs, with OWASP methodology and real bug bounty techniques.02Security auditsIn-depth review of code, architecture, authentication flows and cloud infrastructure.03Continuous securityRecurring bug bounty–style assessment: every new feature gets tested with an attacker's eyes.

What you get

Real findings, not noise

Every vulnerability comes with a reproducible proof of concept and business impact. If it can't be exploited, it isn't reported.

The report your client accepts

Executive summary for leadership, technical detail for your team. Ready to show in due diligence or to an enterprise customer.

Retest included

When your team fixes it, it gets tested again. The work doesn't end with the report — it ends when the flaw is closed.

How we work

A clear process from start to finish. No surprises in scope or in the invoice.

01
Scoping
One call to understand your product, your risks and your goals. Together we define what gets tested — or built.
02
Proposal
Within 48 hours you get a fixed proposal: scope, timeline and fixed price. No fine print.
03
Execution
Manual work and continuous communication. Critical findings are reported immediately, not at the end.
04
Delivery & retest
Final report or product, a review session with your team, and verification that the fixes actually work.

One consultancy, three disciplines

Problems rarely come alone: a slow application usually also has a badly indexed database and weak access control. Here you don't get referred to another vendor — it all gets solved under one roof.

Software consultingDigital products built with senior engineering judgment and security baked in from the very first design.Performance & infrastructureYour system, faster and cheaper. We measure before touching anything and prove the improvement with numbers.

Tell me what you need

An audit, a pentest or a digital product. Reply within 24 hours and a fixed proposal within 48.

Get in touch corp@crackonce.com