Unwana Essien

Cloud Security Architect @Cyblack

GB

Technical Skills: Proficient in CIS Controls (v8), NIST Cybersecurity Framework, network and cloud security, buffer overflow analysis, open-source intelligence, threat hunting, Microsoft Defender, Azure Sentinel, KQL Query and SIEM optimization.Key Achievements:Designed and deployed secure, scalable cloud environments with a strong focus on infrastructure hardening, application resilience, and Identity & Access Management (IAM) using Microsoft Azure services.Spearheaded threat intelligence initiatives to track and analyze emerging threats, delivering actionable Indicators of Compromise (IoCs) that enhanced threat detection rates by 30%.Developed and fine-tuned advanced detection rules within Azure Sentinel, integrating threat intel feeds, crafting custom automation scripts, and detecting sophisticated behaviors such as lateral movement and privilege Escalation.Streamlined incident response workflows and playbooks, reducing containment and resolution time by 30%.Security Awareness Training: Rolled out tailored security awareness campaigns via KnowBe4 and Wizer, achieving a 60%+ drop in phishing susceptibility across Deparments.Security Operations & Forensics: Involved in the day-to-day SOC operations, including continuous monitoring, triage, forensic investigations, and threat containment using Microsoft Defender Ivanti Security, Security Onion etc.Vulnerability & Malware Analysis: Performed comprehensive vulnerability assessments, OSINT-driven monitoring, malware analysis, and sandbox testing—producing in-depth remediation plans and incident response documentation.Penetration Testing: Conducted hands-on penetration tests against networks and web applications using tools such as Metasploit, BurpSuite, OpenVAS, and Nessus, mapping findings to work to implement redediations.Implemented Microsoft Defender DLP policies across Microsoft 365 (Teams, SharePoint, Outlook), enhancing data classification and reducing data leakage incidents by 40%.

Robert Gordon University

Master's degree, Information Technology with Cybersecurity

University of Calabar

Bachelor's degree, Physics - Physical Oceanography