Tunde Taiwo
Cyber Security Analyst @DXC Technology
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WORK HISTORY
Cyber Security Analyst @DXC Technology
Tysons Corner, VA, US
Monitored enterprise-wide security events using Splunk, QRadar & Microsoft Sentinel, triaging high-priority alerts involving malware, ransomware, zero-day threats & privilege escalation. • Led end-to-end incident investigations by correlating logs from IDS/IPS, firewalls, proxies, EDR & cloud services to reconstruct attack timelines & produce detailed incident reports. • Performed advanced threat hunting using MITRE ATT & CK framework to identify threat actor TTPs, active campaigns & emerging malware targeting the business environment. • Analyzed network traffic using Wireshark & tcpdump, detecting C2 beaconing, port scanning, lateral movement & data exfiltration through DNS, HTTP/HTTPS & TLS anomaly correlation. • Developed Python & Bash scripts to automate log parsing, IOC enrichment & alert triage, improving team efficiency by 30% & reducing manual workload. • Supported SOC 2, HIPAA & PCI-DSS compliance audits by conducting gap assessments, preparing evidence documentation & remediating control deficiencies. • Managed vulnerability assessments using Nessus & Qualys, prioritizing findings by CVSS score & coordinating patch remediation across Windows & Linux environments. • Administered Active Directory, Azure Entra ID, Okta, MFA & PAM controls to enforce least-privilege access & reduce identity-based attack surface. • Conducted phishing email analysis & malware triage in sandboxed environments, generating IOC reports for SIEM ingestion & threat intelligence sharing. • Performed firewall rule reviews, VPN policy updates & proxy configuration audits to ensure alignment with zero-trust security principles. • Collaborated with cloud teams to monitor AWS & Azure environments using GuardDuty, CloudTrail & Azure Defender for suspicious activity & misconfigurations. • Maintained SOC runbooks & IR playbooks, continuously updating response procedures based on lessons learned from past incidents.
EDUCATION
Olabisi Onabanjo University(O.O.U)
Bachelor's degree, Computer Science
Purdue Global
Master's degree, Cybersecurity
U.S. Navy MILITARY SCHOOL
HVAC/IT
ABOUT TUNDE TAIWO
Cybersecurity Analyst with 6+ years of progressive experience across Security Operations, Incident Response, Threat Detection, and Cloud Security. Proven track record in monitoring and triaging high-volume security events using Splunk, QRadar, and Microsoft Sentinel, with deep expertise in MITRE ATT & CK-based threat hunting and detection engineering. Adept at securing hybrid cloud environments (AWS & Azure), managing vulnerabilities, and governing identity and access controls through IAM, MFA, and PAM frameworks. Skilled investigator in malware analysis, phishing response, and network traffic forensics (Wireshark, tcpdump), with hands-on automation experience in Python and PowerShell that has measurably reduced incident response times and elevated SOC efficiency. Brings a strong technical foundation in TCP/IP, DNS, Active Directory, and Windows/Linux administration, underpinned by zero-trust principles and compliance expertise spanning SOC 2, PCI-DSS, HIPAA, and NIST frameworks. Recognized for translating complex technical findings into clear executive reporting and driving cross-functional collaboration in high-pressure environments.
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