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Omar A.OA

Omar A.

Cybersecurity Analyst - SOC N3 | Blue Team

€650/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Omar

Cybersecurity professional with over 5 years of experience in incident management and response.
of security, log analysis, use case creation, and active contribution to the evolution of technical
and organizational SOC capabilities. I also have 2 years of experience in software development,
strengthening my ability to understand technical environments.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • Econocom
    Cybersecurity Analyst - SOC N3
    April 2024 - Today (2 years and 2 months)
    Incident response and security alert handling (RUN)
    - Proactive monitoring and threat detection: Taking into account and in-depth analysis
    of alerts generated by security equipment (Cloud / On-premises).
    - Advanced investigation and real-time response: Incident analysis using
    specialized tools (SIEM, EDR, IDS/IPS, WAF, firewall) to identify attack vectors and
    potential impacts.
    - Optimization of detection rules to refine alert accuracy.
    - Preparation of detailed reports on security incidents,
    including investigation findings, corrective actions, and
    recommendations to strengthen the security posture.
    -Advanced Detection: Analyzing needs and designing new detection rules to
    improve threat monitoring and detection.
    - Rule Optimization: Adjusting detection
    rules to refine alert relevance and enhance responsiveness to emerging threats.
    -Development of incident response playbooks: Contribution to the development of playbooks detailing
    incident response steps, best practices, and appropriate corrective actions.
    - Planning and execution of vulnerability scans: Deployment and monitoring of monthly
    scans (WAS and VMDR) across all entities in different countries.
    to various attack scenarios.
    Projects:
    o Security supervision and management: Creation and management of supervision dashboards on
    Azure Sentinel and CrowdStrike, enabling real-time visualization of security events
    and rapid decision-making.
    o Deployment and optimization of Falcon Identity Protection (CrowdStrike): Implementation and
    adjustment of the solution to detect and block in real-time identity compromise attempts
    in a hybrid cloud environment, thereby strengthening resilience against threats.
  • AKKodis
    Cybersecurity Analyst
    October 2022 - March 2024 (1 year and 5 months)
    Security alert and incident management
    Threat monitoring and detection: Analysis, qualification, and handling of security incidents reported by defense equipment (SIEM, EDR, IDS/IPS, WAF, firewall), in both Cloud and On-premises environments.
    Incident response & escalation: In-depth investigation, identification of attack vectors and their potential impacts, with escalation to clients if necessary.
    Cybersecurity watch: Regular monitoring of vulnerabilities, emerging threats, and new attack techniques, to anticipate risks and adjust defense measures.
    Process optimization: Reduction of false positives by adjusting detection rules.
    Recommendations and remediation: Development of corrective measures adapted to detected incidents, and client support in their implementation, including post-remediation follow-up.
    Malware analysis
    In-depth malware study: Static and dynamic analysis of malware detected in monitored environments or received from clients.
    Threat identification: Determination of capabilities, objectives, obfuscation techniques, and infection vectors, to define concrete countermeasures.
    Continuous improvement: Use of analysis results to enrich detection rules and develop new protection strategies adapted to the context.
    Threat watch and analysis
    Monitoring of cyber trends, ongoing attack campaigns, and critical vulnerabilities, to adapt SOC defenses in real-time.
    Project:
    Development of a Purple Team infrastructure: Design and deployment of a platform for testing SOC security tools through realistic attack simulations. Objective: evaluate the effectiveness of detection mechanisms and continuously improve response capabilities through new use cases.
  • Capgemini
    Analyst - SOC
    August 2020 - September 2022 (2 years and 1 month)
    Security alert management & Incident Response
    - Continuous monitoring: Handling and analysis of security alerts reported by
    defense equipment (SIEM, EDR, IDS/IPS), with rapid assessment of impacts and
    risks.
    - In-depth investigation: Threat identification, incident classification, and implementation
    of appropriate remediation measures.
    - Detection optimization: Adjustment of rules and refinement of configurations to
    reduce noise and improve alert relevance.
    Advanced malware analysis
    - Static and dynamic malware examination: Behavioral analysis of malware
    detected in monitored perimeters, allowing identification of indicators of compromise (IOC).
    - Threat detection and neutralization: Study of infection vectors, persistence mechanisms,
    and evasion capabilities in order to propose effective countermeasures.
    Project
    o Study and deployment of Cuckoo Sandbox: Design and implementation of an automated
    malware analysis environment using Cuckoo Sandbox, allowing simulation of threat execution
    in a controlled environment to better understand their behavior and refine defense strategies.

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Education

  • SEC450: Blue Team Fundamentals: Security Operations and Analysis.
    2020
    SEC450: Blue Team Fundamentals: Security Operations and Analysis.
  • State Engineer in Computer Science and Networks
    ENSAO,
    2017
    Ingénieur d'Etat en Informatique et Réseaux

Skill set

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