Analyst working on code in a dark room

Cybersecurity Artisans · Portugal

We find the flaws before the attackers do.

From vulnerability assessment to incident response, CyberS3c delivers world-class cybersecurity services — offensive, defensive, forensic and governance — crafted in Portugal for organisations anywhere.

24/7
incident response (CSIRT)
7
team certifications (OSCP, CEH, CHFI…)
5
awards & distinctions
71
media appearances

Services

Four domains. One team.

Twelve services covering the full attack lifecycle — those who attack know how to defend.

01

Offensive

Penetration Testing

Find and fix exploitable flaws before attackers do.

Red Team

Full-scope attack simulation against people, process and tech.

Social Engineering

Phishing campaigns that measure and raise awareness.

Vulnerability Assessment

OWASP, NIST, ISO 27001 and PCI DSS aligned scanning and validation.

Source Code Review

Automated tooling plus manual review, per the OWASP guide.

02

Defensive

24/7 Monitoring

Web, social and Deep & Dark Web surveillance with real-time alerts.

Incident Response

Containment, eradication and recovery — with a dedicated CSIRT.

SOC Validation & Purple Team

Test and improve your detection capability, technique by technique.

03

Investigation

Digital Forensics

CHFI-certified analysts collect, examine and preserve evidence.

04

Governance

CISO as a Service

Senior, certified security leadership on a flexible model.

Regulatory Compliance

NIS2, GDPR and ISO 27001 — assessed, implemented, audit-ready.

Security Outsourcing

Specialist capacity embedded in your teams.

Case studies

Work that speaks for us

Clients are identified by sector only — confidentiality first.

100% of vulnerabilities fixed on retest

Home-banking penetration test

Portuguese financial institution

<72h from detection to recovery — no ransom paid

Ransomware incident response

Industrial SME

−60% phishing clicks after awareness training

NIS2 compliance audit

Public-sector entity

Incident response

CyberS3c CSIRT

A formally announced Computer Security Incident Response Team with public contacts and responsibilities under RFC 2350. If you are under attack, we answer.

CSIRT.CYBERS3C
status
operational
hours
business days, 09:00–18:00 WET
document
RFC 2350 · v1.0
contact
security@cybersec.pt

Contact

Security isn't installed.
It's crafted.

Tell us about your challenge — we reply within one business day. English spoken.