Mojeed Olaleye
Cyber Security Analyst @Vosyn
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WORK HISTORY
Cyber Security Analyst @Vosyn
Contribute to the development and operationalization of security frameworks, standards, and controls across cloud, identity, and endpoint environments, aligning with NIST CSF and ISO 27001 best practices.• Provide security guidance to engineering and business teams, advising on risk mitigation strategies, secure architecture, and identity governance across Microsoft Defender and Azure ecosystems.• Lead and support incident response activities by investigating complex security events across SIEM, endpoint, and email systems, performing root cause analysis, and improving containment strategies.• Enhance threat detection and monitoring by designing and tuning KQL-based analytics rules in Microsoft Sentinel, improving alert fidelity and aligning detection logic with MITRE ATT & CK techniques.• Strengthen identity and access management by implementing and enforcing MFA, RBAC, and Conditional Access policies, while conducting periodic access reviews to reduce privilege-related risks.• Collaborate cross-functionally with IT, security, and compliance stakeholders to improve security operations, automate reporting, and enhance visibility into security metrics, risk posture, and control effectiveness.
EDUCATION
Canadian College of Technology and Business (CCTB)
Diploma, Cybersecurity and Risk Management
ABOUT MOJEED OLALEYE
Cybersecurity Analyst with over 5 years of experience in SOC operations, incident response, and threat detection across enterprise, cloud, and hybrid environments. I specialize in identifying and responding to security threats by correlating data across SIEM, endpoint, email, and network systems, helping organizations strengthen their overall security posture. I have hands-on experience with Microsoft Sentinel (KQL), Defender XDR, Active Directory, and IAM controls (MFA, RBAC, Conditional Access). My work focuses on improving alert fidelity, reducing false positives, and accelerating incident response through detection tuning, log analysis, and automation using PowerShell and Python. In my roles, I have contributed to measurable security improvements, including increasing detection accuracy, reducing phishing-related incidents, and strengthening identity security across large user environments. I also support security programs aligned with NIST CSF, ISO 27001, and CIS Controls, ensuring both operational effectiveness and compliance readiness. Core Areas of Expertise: Security Operations (SOC), Incident Response, Threat Hunting SIEM & XDR: Microsoft Sentinel, Defender Suite, ELK Stack Identity & Access Management: Active Directory, MFA, RBAC, Conditional Access Cloud Security: Azure, AWS fundamentals Network & Endpoint Security: IDS/IPS, DNS security, Zero Trust Vulnerability Management: Qualys, risk tracking, remediation Automation: PowerShell, Python, Bash I am focused on building and improving detection and response capabilities while working in collaborative security environments that prioritize proactive defense and continuous improvement.
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