Olajumoke O

Manager, Threat Intelligence and Hunting,

MTN Group • Full time

Oct 2023 - Present • 2 yrs 7 mos

Designed and deployed digital protection and brand monitoring solutions across 18 countries, uncovering threat campaigns and safeguarding customer trust. • Authored the company’s first threat intelligence strategy and operational processes, aligning intelligence to business and product security decisions and objectives. • Established supply chain threat monitoring capability, identifying vulnerable third-party libraries and advising developers, reducing risk of dependency-based compromise by 40 percent. • Implemented a centralized IOC validation and management process, improving incident response speed and reducing false positives, which enhanced IR efficiency by 30%. • Built a threat analytics dashboard to centralize threat visibility, empowering SOC teams to prioritize based on high-fidelity intelligence. • Collaborated with engineering and product security teams to update controls based on intelligence, improving endpoint hardening and reducing false positives. • Collaborated with security operations and engineering to embed threat intelligence into detection and response, driving a 25% reduction in security incidents. • Conducted adversary hunting operations that identified and disrupted 3 major DDoS attempts, with results presented to senior leadership to influence strategic countermeasures and security funding. • Pioneered structured threat-hunting methodologies that reduced incident recurrence by 20%. • Mentored junior analysts in OSINT research and adversary attribution, increasing team proficiency and raising internal CTI maturity.

Threat Intelligence Specialist

Cybersafe Foundation • Part time

Jan 2022 - Dec 2022 • 11 mos

Led regional threat intelligence partnership initiatives, strengthening collaboration and intelligence exchange across African cybersecurity communities. • Developed OSINT tradecraft and automation scripts to scrape malicious infrastructure data, doubling indicator coverage. • Produced a landmark research report on African cyber threat actors, widely cited by regional partners and enhancing understanding of localized TTPs. • Designed evolving threat models to protect startups and civil society organizations in repressive environments, improving resilience against surveillance and targeted attacks. • Collaborated with research teams to collect, analyze, and disseminate OSINT reports, empowering community partners to mitigate ongoing phishing and ransomware threats. • Advocated for open-source intelligence–driven security approaches, helping position the foundation as a thought leader on African CTI. • Trained 10+ analysts in OSINT methodologies and adversary attribution, raising internal CTI maturity score by 2 levels

Cyber Threat Intelligence Analyst

CyberPlural • Part time

Apr 2021 - Mar 2022 • 11 mos

Improved enterprise threat detection by 30% through the rollout of structured intelligence processes and SOC use cases. • Developed curated intelligence mapped to MITRE ATT&CK, enriching SOC content and enhancing detection of evolving threats. • Pioneered a bi-weekly webinar series on emerging threats, positioning the organization as a thought leader in the local community. • Established partnerships with external CTI providers, expanding visibility into brand abuse and supply chain attacks. • Authored training and upskilling resources (slide decks, video lessons, datasets) that built internal CTI expertise across the team.