Cybersecurity for
SaaS, Companies and Organizations

There are bots scanning the internet for breaches 24/7. We help companies and organizations close real breaches before one of them finds yours.

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Get your free diagnostic

Every minute without a diagnostic is an open window. We respond within 1h.

🔒 Your data is never shared with third parties.

Your company might be exposed right now, and you don't know it.

Automated tools scan the entire internet 24 hours a day, non-stop.

It's not a hoodie-wearing hacker watching you. It's worse: it's thousands of automated bots running non-stop, knocking on every door on the internet, all day, without picking anyone in particular. Just waiting to find yours unlocked. And sometimes that takes minutes.

Most companies only discover the flaw after it's already been exploited. We're offensive security specialists. We find the real breach in your system before an attacker does, and we close it for good.

I want to know where I'm exposed

This isn't hypothetical

It's not one attack.
It's thousands, all the time.

While you scroll this page, this is already happening to your system too.

It never stops. Ever.

I want to know if they already found me

Who we are

Vultx Security doesn't hand you a PDF and disappear

We're offensive security specialists for SaaS and B2B startups. We find the real flaw in the application, API, or cloud infrastructure, and we close the door in the architecture.

We work with SaaS companies that already know they have exposure in production, but don't have anyone to close the full loop: from the technical finding to the architectural and governance decision, with no handoff between whoever finds it and whoever fixes it, and without the weight of a generic pentest built for a bank's corporate network.

Researcher-Grade Diagnosis

Methodology from someone who hunts vulnerabilities in real bug bounty programs, not an automated checklist.

No Handoff

Whoever finds the flaw is who designs the architectural fix. No context gets lost along the way.

Continuous Governance

Risk prioritization, board reporting, and remediation follow-through until the end.

Do you know where your company is exposed right now?

Find out in days, not months, with a diagnostic based on CIS Controls v8, the most widely used security framework in the world.

Starting point

Express Diagnostic

A quick check of the 5-6 most critical security points in your company. 30-minute conversation, report within 2 business days.

30-min conversation with a specialist
Straight-to-the-point report, no jargon
Clear recommendation for the next step

CIS v8 Maturity Assessment

Full evaluation of the 18 CIS v8 security controls, with a prioritized action plan and a live results presentation.

Evaluation of the 18 international controls
Risk report in business language
Action plan prioritized by urgency
Live presentation with the specialist

Complete offensive security for your SaaS

Pick the service that solves your need right now. Each one becomes a custom quote request, no fine print.

Web Application Penetration Testing

Manual offensive testing on your application, looking for the same flaws a real attacker would exploit.

API Penetration Testing

REST/GraphQL API security: authentication, authorization, data exposure, and business logic.

Cloud & Infrastructure Penetration Testing

Cloud configuration assessment (AWS/GCP/Azure), network, and external attack surface.

Source Code Review

Manual source code review looking for vulnerabilities no scanner finds on its own.

Red Team Exercise

Real, end-to-end attack simulation, testing people, process, and technology together.

Purple Team / TTPs

Collaborative attack-defense exercise, simulating real adversary tactics (MITRE ATT&CK).

Social Engineering Testing

Controlled phishing and pretexting, to measure how well your team resists manipulation.

Bug Bounty Program Management

Vulnerability reward program management, from triage to remediation.

Fractional CISO/CTO

Security and architecture leadership on demand: risk prioritization and remediation, without a full-time hire.

Flaws we found and fixed

Real findings, anonymized, no client or program name.

Web · SSRF

SSRF in an enterprise platform

Server-Side Request Forgery with access to internal cloud metadata (public bug bounty program).

Fixed

Auth · SAML

Authentication bypass in a fintech

SAML signature validation flaw allowing identity impersonation on a payments platform.

Fixed

API · IDOR/BOLA

IDOR in a B2B marketplace

Direct object reference with no ownership check, exposing other clients' order data.

Fixed

CMS · Account Takeover

Multisite network compromise via an outdated plugin

A vulnerability in an outdated CMS plugin allowed mass creation of 69 fake admin accounts and hijacking of the master account across a network of 12 sites sharing the same infrastructure. Incident response following NIST SP 800-61, with a surgical fix instead of a full migration.

Fixed

Offensive security built for the SaaS stack

Methodology from an active bug bounty researcher applied to your web application, API, and cloud infrastructure, not an automated scanner checklist, and not a generic pentest built for a bank's corporate network.

We map your entire SaaS

Web application, API, and cloud infrastructure: we test how a real attacker sees your system, not just what a scanner finds.

We find the real flaw

Manual exploitation, with the same technique bug bounty hunters use. No generic automated tool report.

We fix it with you

We don't stop at the PDF. We help close the breach in the architecture, with a prioritized action plan until the problem is gone for good.

Process security

Documented confidentiality process, from NDA to report delivery.

Before touching any of your systems, there's a signed NDA and testing scope (Rules of Engagement). From collection to delivery, every piece of evidence follows a documented chain of custody.

Isolated testing environment per client, never shared
Full-disk encryption, evidence stored in an encrypted vault
Raw evidence wiped after the final report is delivered
NDA and Rules of Engagement signed before any test begins

Researcher & Fractional CISO/CTO

Gabriel Sanabria

Founder, CISO & Fractional CTO

Active researcher in multiple public bug bounty programs, with dozens of critical vulnerabilities reported in production: from SSRF and authentication flaws to privilege escalation in APIs.

IT executive with 20 years of experience and a member of ISACA. Previously led technology, security, websites, and systems for Brazil's largest pizza chain. Today he works as Infra Ops & Security Lead for a multi-tenant SaaS platform used by major retail and pharmacy chains in Brazil, among other clients, in addition to managing website infrastructure for more than 100 shopping malls across the country.

Before Vultx Security, he co-founded and led the technology of a B2B fashiontech company with significant institutional funding and a strategic exit in 2020.

He mentors founders at the Brazilian Startup Association (ABStartups) on digital business, infrastructure, and SaaS security, teaches the university extension course at EFPD (Digital Products Training School), certified by Faculdade CTA, and is an ORCID-registered researcher, author of a paper on Outcome-as-a-Service (OaaS) published on SSRN. It's this mix of research, operating at scale, and business vision that grounds Vultx Security: security thought through from inside the system, not a generic outside report.