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Penetration Testing

Delivered by highly skilled and certified cybersecurity professionals, these services place penetration testing at the core, simulating real-world attack scenarios to rigorously assess your security posture. Through controlled exploitation techniques, they uncover hidden vulnerabilities across systems, applications, and networks, providing deep, actionable insights and clear remediation priorities—empowering you to make smarter, risk-driven decisions about cybersecurity investments and strengthen your overall resilience.

Adversary Simulation & Security Testing

  • Attacker-centric security insight
  • Penetration testing across networks, apps, cloud, infrastructure
  • Readiness testing across the full attack lifecycle
  • Proactive defense alongside MDR & MRC services
  • CREST accreditation for high-assurance testing standards
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AN ELITE TEAM

Our exceptional team at Obrela Labs is a fusion of seasoned penetration testers and dedicated security researchers, distinguished by their unwavering commitment to the offensive side of cybersecurity. Certified and highly skilled, they possess a stellar track record, with extensive experience collaborating with global enterprises and government institutions worldwide.

With engagements across diverse aspects of reverse engineering and assurance testing, their mission is to proactively strengthen clients’ cybersecurity defenses.

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KNOW YOUR ENEMY

With Obrela Labs, we don’t just respond to challenges—we anticipate them, ensuring your digital assets remain secure. By understanding the attacker’s perspective, we provide organizations with critical insights that strengthen defenses and enhance resilience against evolving cyber threats. Through advanced threat intelligence, continuous research, and real-world analysis, our experts uncover emerging attack patterns before they become widespread risks. This proactive approach empowers organizations to stay one step ahead and build a stronger, more adaptive security posture.

GLOBAL SECURITY COMMUNITY

We take pride in our role as catalysts for innovation, sponsoring and leading open-source security projects, and actively contributing to the global security community. Our dedication extends to providing real-world solutions for evolving threats, ensuring that your organization stays one step ahead of potential adversaries.

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Don’t just respond on threats,

Predict them

Leveraging Research and Offensive Capabilities, Obrela Safeguards Digital Assets with Invaluable Cyber Defense Insights. With a focus on understanding the attacker's perspective, we equip organizations with invaluable insights to fortify their defenses.

WHY OBRELA

Experience Meets Operational Depth

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    Delivered by global experts with real-world experience.
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    Designed to support both technical teams and business leaders.
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    Insights grounded in operational evidence, not just theory.
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    Aligned with real cybersecurity programs and resilience frameworks
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Ready to Strengthen Your Cyber Posture?

Contact us to identify the right advisory engagement for your organisation. Obrela brings deep expertise, structured methodology, and operational experience to every assessment and engagement.

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TYPES OF PENETRATION TESTING SERVICES

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  • The Web Application Penetration Testing simulates a malicious application user that attacks the application in scope – assuming knowledge of credentials by attempting to circumvent the application’s logic or by taking advantage of potential application’s security weaknesses in order to obtain unauthorized access to the data served by the application with respect to the confidentiality, integrity and availability of the latter.

    More specifically, the attack vectors within the context of the testing will evaluate the ability of a malicious user to:

    • Obtain unauthorized access to sensitive data
    • Modify, corrupt or destroy data
    • Attack application’s users
    • Perturb the application and its components
    • Change or introduce software, malicious or otherwise

    The objective of the testing is (a) to discover – in depth – and exploit any security weaknesses in the application, (b) to identify the level of risk associated with these weaknesses and (c) to recommend countermeasures to mitigate the associated risk.

    In-depth, fully OWASP compliant manual assessments on every area of interest i.e. Authentication, Session Management, Access controls, Input validation, Business Logic, is performed by Labs’ highly skilled and certified Penetration Testers. Exploitation upon authorization is included in order to identify synergies among identified vulnerabilities.

    The testing is conducted by combining industry leading automated testing tools with Obrela Labs’ manual testing methods that aim to identify and exploit vulnerabilities according to the OWASP framework

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  • The External Black Box Penetration Testing simulates an external actor from the internet, without any previous knowledge of the infrastructure and/or configuration, that attacks the external facing network services on the target perimeter. The approach is goal oriented and aims to demonstrate the maximum impact of a successful attack that could allow a third party to obtain unauthorized access to the data served by the systems in scope with respect to the confidentiality, integrity and availability of the latter.

    More specifically, the attack vectors within the context of the Penetration Testing will evaluate the ability of an external actor to:

    • Obtain unauthorized system or network privileges
    • Obtain unauthorized access to sensitive data
    • Modify, corrupt or destroy data
    • Eavesdrop network communications
    • Change or introduce software, malicious or otherwise

    The objective of the Penetration Testing is (a) to discover and exploit security weaknesses on the perimeter in scope, (b) to identify the level of risk associated with these weaknesses and (c) to recommend countermeasures to in order to mitigate the associated risk.

    The Penetration Testing is conducted remotely, by combining industry leading automated testing tools along with Obrela Labs’ manual testing methods that aim to identify and exploit both known and unknown software flaws, misconfigurations and operational/control weaknesses while the testing is focused on in-depth coverage.

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  • The Internal Penetration Testing services simulate a malicious agent (e.g. employee, vendor, contractor) that has access on the internal network, without previous knowledge of the infrastructure and/or configuration – attacking the internal corporate network and systems. The approach is goal oriented and aims to demonstrate the maximum impact of a successful attack initiated from the internal network that could allow an attacker to obtain unauthorized access to the data served by the systems in scope with respect to the confidentiality, integrity and availability of the latter.

    More specifically, the attack vectors within the context of the Penetration Testing will evaluate the ability of an internal actor to:

    • Obtain unauthorized system or internal network privileges
    • Obtain unauthorized access to sensitive data
    • Modify, corrupt or destroy data
    • Eavesdrop network communications
    • Change or introduce software, malicious or otherwise

    The objective of the Penetration Testing is (a) to discover and exploit security weaknesses on the internal network, (b) to identify the level of risk associated with these weaknesses and (c) to recommend countermeasures to mitigate the associated risk.

    The Penetration Testing is conducted by combining industry leading automated testing tools  along with Obrela Labs’ manual testing methods that aim to identify and exploit both known and unknown software flaws, misconfigurations and operational/control weaknesses, while the testing is focused on in-depth coverage.

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  • The Mobile Application Testing simulates a malicious application user that attacks the application in scope – assuming knowledge of credentials – by attempting to circumvent the application’s logic or by taking advantage of potential application’s security weaknesses in order to obtain unauthorized access to the data served by the application, with respect to the confidentiality, integrity and availability of the latter.

    More specifically, the attack vectors within the context of the testing will evaluate the ability of a malicious user to:

    • Obtain unauthorized access to sensitive data
    • Modify, corrupt or destroy data
    • Perturb the application and its components
    • Change or introduce software, malicious or otherwise

    The objective of the testing is (a) to discover -in depth- and exploit security weaknesses on the application, (b) to identify the level of risk associated with these weaknesses and (c) to recommend countermeasures to mitigate the associated risk.

    Includes in-depth, pre- and post authenticated content of the server-side part of the application, its roles and the client application on user’s mobile phone. Fully OWASP compliant, Obrela’s highly skilled and certified Penetration Testers perform manual assessment on every area of interest i.e. Authentication, Session Management, Access controls, Input validation, Business Logic. Exploitation upon authorization is included in order to identify synergies among identified vulnerabilities.

    The testing is conducted using a combination of industry leading automated testing tools along with Obrela Labs’ manual testing methods that aim to identify and exploit vulnerabilities according to OWASP framework.

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  • CREST Certified

    CREST Certified

    Obrela Labs proudly holds CREST certification, a global mark of excellence in the field of cybersecurity. This certification demonstrates Obreela Labs’ unwavering commitment to maintaining the highest standards of professional competence and ethics within the industry.

  • OBRELA SUPPORTS COMMIX

    OBRELA SUPPORTS COMMIX

    The Commix tool, created by Anastasios Stasinopoulos, Team Leader at Obrela Labs, automates the process of detection and exploitation of command injection vulnerabilities. Anastasios started the development of Commix – a short for [comm]and [i]njection e[x]ploiter – approximately eight years ago, after realizing that only a couple of scanning tools were able to identify but not actively exploit command injection vulnerabilities. Βy developing this tool, he was hoping to fill this gap. After writing up a research paper regarding that issue, which was accepted and presented at Black Hat 2015, the journey began.

OUTCOMES

Achieve Clear, Measurable Security Improvements

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    Greater visibility into risk and control gaps
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    Confidence in compliance alignment
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    Evidence-based prioritisation
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    Improved security maturity
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    Actionable, investor and auditor-ready reporting
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ACCREDITATIONS

Accreditations