Offensive
Red Team
We simulate the real adversary to reveal how your organization could be breached, before someone does it for real.
- Pentest
- Red Team Operations
- Vulnerability Assessment
- Phishing Simulation
Kazenri Security · Portugal
Simulated attacks.Real defense.
Cybersecurity in Portugal: offensive and defensive security by professionals who think like the adversary. We identify intrusion paths and strengthen your ability to prevent, detect and respond.
Experience
Our team's experience.
Experience of our professionals in vulnerability research and bug bounty programs
Fronts
Two fronts. One mindset.
Offense and defense driven by the same adversarial reasoning. Pick where to start.
Defensive
Blue Team
We monitor, detect and respond with people who know the attack from the inside. Defense designed by those who have been on the other side.
- SOC / MDR
- CSIRT
- Threat Intelligence / Hunting
- Advisory
- Audit
- Training
The loop
Those who attack know what defense needs to see.
01
Red identifies
Every offensive operation exposes the real intrusion path: the credential, the pivot, the blind spot.
02
Blue transforms
Defense turns each path into detections, response and controls that hold against the next attack.
03
The loop raises maturity
Validate, fix, test again and keep improving. That repetition, not a one-off report, is what changes the outcome.
About
Intelligence to anticipate. Precision to protect.
Kazenri Security was born from the conviction that protection starts with understanding: knowing the environment, recognizing the signals and anticipating the paths an adversary may exploit. Our approach combines the offensive perspective with defensive reasoning, turning technical knowledge into decisions that strengthen protection.
Kazenri is a name created for the brand, inspired by kaze, the Japanese word for wind. We associate that inspiration with logic, method and precision. We call it the logic of the wind: recognizing subtle signals and acting before the threat becomes evident.
Kazenri Security is the Portuguese operation of an international cybersecurity team.
Kazenri Security
Why choose Kazenri Security?
Offensive security that supports informed decisions.
We assess the security of your assets through clearly defined objectives and human analysis. We deliver evidence and recommendations to support decisions and guide remediation priorities.
Testing tailored to your environment
We define the assessment scope around your assets, objectives and operational requirements. Priorities and testing boundaries are agreed before testing begins.
Human validation of findings
We review findings in context to reduce false positives and understand the impact of identified vulnerabilities. Our recommendations are supported by evidence.
Clarity for management and technical teams
We communicate results through executive and technical reporting. Management gains an understanding of business impact, while technical teams receive information to guide remediation.
Retesting within an agreed scope
For projects that include retesting, we reassess remediated findings within the scope and time window agreed in the proposal to verify whether the identified vulnerabilities have been resolved.
Let’s identify what makes sense to assess in your organisation.
Book a conversationDifferentials
Technical excellence and business judgment.
The points that change what your organization receives at the end of the engagement.
Operational experience
Professionals with a track record in intrusion testing, vulnerability research and incident response, on both sides of the board.
Contextual severity
Every vulnerability is rated by real impact and exploit likelihood in your environment. Critical means critical.
Prioritized remediation
Every finding ships with proof of concept, context and a remediation plan ranked by actual risk.
Technical and executive reports
A technical document for the team to execute the fix and an executive document for leadership to understand risk in impact and cost.
Automation with human oversight
An internal orchestration platform amplifies the team in attack and detection. AI handles volume and speed; the professional decides and validates.
Focus on critical assets
We map critical assets before testing, so every operation hour goes to what matters most to the business.
Team qualifications recognized internationally
- OSCP
- PNPT
- C-ADPenX
- CRTP
- CRTE
- CRTA
- eJPT
- eWPTX
- eMAPT
- CMPen-Android
- CMPen-iOS
- CRTO
How we work
The path to digital resilience.
Four phases, each with a decision point before the next.
01
Diagnostic
An initial 30-minute technical conversation to understand business context, critical assets, credible threats and what is worth testing.
02
Scope
A tailored proposal: what your organization needs, in the time it takes, without inflating operator days.
03
Execution
Professionals steering the tooling, with a decision point before every high-impact action, in an agreed window and without friction in production.
04
Results presentation
Delivery plus a remediation session: the technical team gets direction and leadership gets a risk synthesis.
Sectors
Sectors where a breach means material damage.
We work in regulated or critical sectors where an incident affects continuity, data, payments or contracts.
Financial
Banks, fintechs and asset managers: payment protection, customer data and fraud prevention.
Public Sector
Public bodies and critical infrastructure: service continuity and data protection.
Retail and E-commerce
Online stores and payment providers: fraud and account takeover defense.
Industrial
OT/IoT networks, shop-floor security and supply chain.
Services
Business continuity and protection of customer and provider data.
Healthcare
Electronic health records and critical hospital systems.
Blog
Team notes.
Technical analysis and the perspective of people who practice offensive security.
AI ·
AI doesn't pentest on its own: the role of human oversight
AI-automated pentesting has become a marketing commodity. Why operator-driven AI finds vulnerabilities an autonomous agent rarely reaches, and how to spot the difference before you sign anything.
6 min read · Kazenri Security Team
Contact
30-minute diagnostic.
Bring your organization's context and priorities. Leave with an assessment of your exposure and a recommendation on scope and investment.
Contact channels