Oluwaseunara Adetunji

• Detected suspicious login and endpoint threats using Microsoft Sentinel, handled incident triage and escalation across hybrid environments.

• PowerShell scripts were written to automate compliance reports, reducing effort by 95% as well as audit readiness time.

Established device compliance and security baselines using Microsoft Intune to enhance endpoint security compliance.

• IT facilitated audit readiness to ISO27001 by having real-time documentation of asset and access controls.

• 40% reduction of Azure cloud security incidents by using RBAC, Conditional Access, and Intune endpoint policy.

• Achieved Cyber Essentials certification for two client companies by establishing secure access controls as well as threat management methods.

• Developed cybersecurity awareness training that increased simulated phishing success rates by 25%.

• Led the hardening of Active Directory, reducing risks around account compromise, enhancing auditing output

• Optimized legacy software to improve its efficiency, thereby increasing the processing speed by 35% and reducing downtime.

• Updated legacy system applications to current standards, with 35% rise in efficiency level.

• Migrated websites of customers to HTTPS along with full HSTS and CSP configurations, eliminating fundamental web vulnerabilities.

• Cross-Platform, performance-optimized, quality standards surpassing internal standards, delivered.