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  • By Mercurius
    • Hawk – Free CTI
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  • Solutions
    • 01 – Offensive Security
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    • 05 – Cyber Governance
    • 06 – Fraud Prevention
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  • Pillar 01 · Discover · Ethical Hacking

We don’t run a pentest. We prove the attacker’s path.

Elite ethical hacking by certified offensive squads. We exploit your environment like a real adversary, chain findings up to business impact and confirm every fix with a retest.

  • OWASP · OSSTMM · MITRE ATT&CK
  • Manual-led testing
  • BR · CL · US
Request a scoping call

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Start with a free external scan

Manual exploitation by OSCP, OSWE and CRTO operators · Operating in Brazil, Chile and the US

Attack Path → Crown Jewels RED TEAM
External Recon TA0043 · exposed asset Initial Access TA0001 · web exploit Priv. Escalation TA0004 · misconfig Lateral Movement TA0008 · cred reuse Crown Jewels
5 steps · 0 alerts triggered ● objective reached

5 squads

One specialist lead per attack surface

100% manual

Scanners for coverage, people for exploitation

Retest included

We confirm every fix holds

Purple Team

Detection validated in every engagement
OSCP
OSCP+
OSWE
OSCE
CRTO
CRTP
CPTS
eWPTX
eMAPT
CWES
CRISC
  • Why this is not a regular pentest

A pentest lists what is broken. Ethical hacking proves what it costs.

Both start with a list of targets. Only one ends with the certainty that the risk is gone.

We use scanners too. They give us coverage. The value is in what comes after: the people who chain findings, bypass controls and reproduce how breaches actually happen.

Low-risk findings, chained together, are how real breaches happen. That is what we test.

Pentest
Red Team
PTaaS
CVSS 4.0
OWASP
MITRE ATT&CK
Retest

Definition

What is Ethical hacking?

Ethical hacking is the authorized simulation of a real attack against an organization’s systems, applications and people. Certified operators exploit vulnerabilities manually, chain them into realistic attack paths and measure the business impact, so the organization can fix what matters before an adversary finds it.

It goes beyond a vulnerability scan or a checklist pentest: the result is proof of what an attacker could reach, not a list of possibilities.

Market pentest compared with Mercurius ethical hacking
Criterion Market pentest Mercurius ethical hacking
ExecutionAutomated scan with a quick manual checkManual exploitation by certified operators
DepthIsolated findingsLow-risk findings chained into a real path to your critical assets
TeamGeneralist testersA dedicated squad per specialty, with built-in backup
ReportA list of vulnerabilitiesCVSS 4.0, OWASP, MITRE ATT&CK, CWE and business impact
AudienceThe IT teamEngineers, CISO and board, each with their own report
After the reportProject closedRetest, debrief and remediation follow-up
CadenceA yearly snapshotContinuous testing with PTaaS, at every release
  • Who runs your engagement

Five offensive squads. One specialist leading each front.

Six certified analysts organized by attack surface. Each one leads a specialty and backs up another, so no engagement depends on a single person.

  • Who runs your engagement

Mercurius technical leadership

CTO and Associate Partner directing the squads, SOC, forensics and vulnerability management.

  • Across every squad

Purple Team analyst

CPTS, CWES, CDSA and HTB MVP 2025. Validates detection and response in every engagement.

Cloud

Cloud pentest, IAM and workloads

Lead certifications
OSCP+ · CAPen · CAP · CNSP
Backup

API squad

Web Applications

Web AppSec and advanced exploitation

Lead certifications
eWPTX · eMAPT · CWES · CRTP
Backup

AI / LLM squad

API

APIs and system integrations

Lead certifications
CompTIA PenTest+
Backup

Cloud squad

AI / LLM

LLMs, agents and chatbots

Lead certifications
eCPPT · eWPTX · CEH · CASA
Backup

Web Apps squad

Infra & Network

Network, Active Directory and red team

Lead certifications
OSCP · OSCP+ · CRTP
Backup

Purple Team

Track record in Hack The Box Pro Labs (Offshore, APTLabs, RastaLabs, Dante, Zephyr), managed bug bounty with Synack Red Team and Yogosha, and CTF competitions.

  • Engagements

The right scope for where you are today.

Red Team & Adversary Simulation

Assumed breach
OT/ICS
Detection & response

Objective-driven, stealthy operations that emulate a real threat actor end to end. We test whether your team detects and responds before a business objective is reached, including OT/ICS environments, without stopping production.

When you need to measure resilience, not just exposure

Penetration Testing

Internal
External
Infrastructure

Internal and external testing of networks and infrastructure with the manual depth scanners miss. Every finding comes with proof of exploitation and remediation steps your engineers can act on.

When you need audit-ready evidence for PCI DSS, ISO 27001, SOC 2 or LGPD

Application & API Security

OWASP Top 10
API Top 10
Code review

Web apps, mobile apps and APIs tested for business-logic flaws, authentication and authorization gaps. We also review the code that automated tools cannot reason about.

When you ship software every week and can’t ship breaches

Cloud Security Assessment

AWS
Azure
Google Cloud
IAM

We find and exploit misconfigurations and excessive privilege: the IAM, exposure and lateral-movement paths that turn one weak setting into full compromise.

When your perimeter is now your cloud configuration

Security for AI

LLM red teaming
Agents
Chatbots

Offensive testing of LLMs, copilots and agents against prompt injection, jailbreaks and data leakage, led by a dedicated AI / LLM squad.

When AI already talks to your customers or your data

Continuous testing (PTaaS)

Every release
Live findings

Recurring tests aligned with your release cycle. Findings arrive as they are validated, not in a PDF months later.

When a yearly snapshot no longer matches how fast you change

  • How an engagement works

We think like the attacker and work with the discipline of an auditor.

Every engagement follows a defined, low-risk process agreed with your team before a single packet is sent.

  1. 1

    Scope & rules

    Targets, objectives, allowed techniques, escalation contacts and safe windows, agreed in writing.

  2. 2

    Recon

    We map the real attack surface: the assets, identities and entry points an adversary would find first.

  3. 3

    Exploitation

    We exploit and chain findings to prove impact, with a live activity log and a defined stop procedure.

  4. 4

    Reporting

    Executive and technical reports, every finding rated by impact and mapped to your frameworks.

  5. 5

    Retest

    We come back after the fix, confirm the path is closed and debrief your team live.

  • What you receive

Findings your board understands and your engineers can fix.

Executive report

Risk in business language: financial, operational, reputational and regulatory impact, ready for the board and cyber-insurance review.

Technical report

CVSS 4.0, OWASP Top 10, MITRE ATT&CK and CWE for every finding, with evidence and reproduction steps.

Prioritized remediation

What to fix first, ranked by exploitability and business impact.

Compliance mapping

Findings aligned to PCI DSS, ISO 27001, SOC 2, LGPD and GDPR.

Retest & debrief

Validation that fixes hold, plus evidence for your auditors.

Findings Summary Engagement #MS-OS
Exposed admin interface → RCE CRITICAL
IAM over-privilege (cloud) HIGH
Broken object-level auth (API) HIGH
Credential reuse across segments MEDIUM
Attack path to crown jewels CONFIRMED
  • After the report

The finding doesn’t end in a PDF.

Because we also run exposure management and a 24/7 SOC, what we exploit today becomes what we prioritize and monitor tomorrow.

  • Discover

We validate the path

Our squads prove which findings an attacker can actually use.

  • Defend

We watch for it

Each technique we used becomes a detection rule in our SOC AI, operated 24/7.

See SOC AI 24/7

  • Exposure Management

We prioritize the fix

Validated findings go to the top of your remediation queue, with patch tracking.

See Exposure Management

  • FAQ

What security leaders ask before engaging.

What’s the difference between a pentest and ethical hacking?

Many pentests stop at a list of vulnerabilities, often from automated tools. Our ethical hacking engagements are led by certified operators who exploit and chain those vulnerabilities to prove what an attacker could reach, translate it into business impact and retest after the fix.

What’s the difference between a penetration test and a Red Team?

A penetration test is a scoped, time-boxed assessment that finds and exploits as many vulnerabilities as possible in a defined target. A Red Team engagement is objective-driven: it tests whether your detection and response can stop a determined attacker from reaching a specific business outcome. Pentests measure exposure. Red Teams measure resilience.

How do you protect production during testing?

Every engagement starts with a formal scoping and rules-of-engagement agreement: targets, allowed techniques, escalation contacts and safe windows. Our operators follow OSSTMM and OWASP methodologies, keep a live activity log and have a defined stop procedure. In OT/ICS environments we work without stopping production.

Is the retest included?

Yes. We retest the findings after your team applies the fixes, confirm the attack path is closed and deliver the evidence for your auditors.

Does it meet PCI DSS, ISO 27001 and LGPD requirements?

Yes. Independent penetration testing is an explicit PCI DSS control, supports the technical-measures requirements of LGPD and GDPR, and provides audit evidence for ISO 27001 and SOC 2. Every finding is mapped to the relevant framework.

Do you rely on automated scanners?

We use scanners for coverage, but every engagement is driven by experienced operators who chain findings, bypass controls and reproduce real attacker behavior. You receive validated, exploitable findings with proof of impact, not a scanner export full of false positives.

Why Mercurius for offensive security in Latin America?

We are offensive-led by design, operating in Brazil, Chile and the United States with delivery in Portuguese, Spanish and English. Our leadership includes a former Latin America CISO at one of the region’s largest banks, so engagements are run by people who understand regulators and boards across the region.

  • GET STARTED

Find your attack path before someone else does.

Tell us your environment and objective. We come back with a scoping proposal and the engagement we recommend. No obligation.

  • Response within 1 business day
  • NDA-first
  • Senior operator on the scoping call

Cybersecurity for critical organizations. Mercurius combines Offensive Security, SOC AI, Threat Intelligence, Vulnerability Management, Anti-Fraud and Cyber Governance to help organizations anticipate, detect and neutralize cyber threats before they impact operations.

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