
Chukwuka Onyekwelu
Senior Incident Manager | CSOC & Forensics
Salary / Daily rate
Turku, Finland
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Certified Incident Manager with 5+ years in cybersecurity and SIEM administration at leading banks. Proven expertise in threat detection, incident response, and GRC compliance. Specialized in CSOC operations, VAPT analysis, and IAM solutions to protect enterprise infrastructure and ensure regulatory compliance.
Work experience
CSOC Analyst
Standard Bank Group
Nov 2022 - Aug 2024
1 year 10 months
Lagos, Nigeria
Responsible for performing security monitoring and incident handling to ensure Confidentiality, Integrity, and Availability of information assets for the Standard Bank Group. • Led the review and investigation of SIEM-flagged incidents, resulting in a 50% reduction in false positives • Conducted weekly vulnerability assessments, identifying and mitigating risks across 200+ enterprise systems. • Collaborated with cross-functional teams to investigate and remediate security incidents including malware outbreaks, data breaches, and unauthorized access attempts. • Protect against insider and admin privilege abuse by leveraging on different monitoring tools. • Monitored and maintained cyber recovery portal to ensure timely response to cyber incidents such as Ransomware and data recovery. • Coordinate multiple concurrent external IT and Cybersecurity audits in support of several stakeholders
GTBank
Mar 2019 - Dec 2022
3 years 10 months
Lagos, Nigeria
Cyber Security and Incident Response Analyst
Jun 2019 - Dec 2022
3 years 7 months
Lagos, Nigeria
Manages a team that monitors the information technology environment for vulnerabilities, unauthorised activities, acceptable use policy/procedure violations, intrusion into and out of the network, and provides direct support for the Cyber incident response process. Review of incidents flagged on SIEM and remediation of Incidents Monitoring compliance to Security policies e.g., Password Sharing, multiple logins etc. Monitoring of firewall configuration changes on Firewall analyzer Administration and maintenance of SIEM. Administration and maintenance of File Integrity Monitoring tool (FIM). Administration and maintenance of Next Generation Firewall (NGFW). Manage URL classification and ensure blocking of blacklisted IPs on Next Generation Firewall (NGFW). Daily monitoring and reporting on systems joined to the domain Daily monitoring and reporting on review of access and errors on servers. Creation of new security policies on Network Access Control (NAC) Solution, IPS/IDS Security Solutions User administration on Network Access Control (NAC) Solution Defining Security and Audit policies for databases on DAM. Monitoring and reporting on Antivirus and Patch Compliance Status for endpoints and servers. Ensure that critical assets are monitored and activities from various data sources logged, to aid forensics investigation and audit. Policy configuration and reviews to suit the changing landscape. Using Web Application Firewall tools both On-premises and Cloud to monitor and detect changes. Conducts extensive research to identify industry trends and its application in our environment whilst ensuring compliance. Conduct reviews of Unauthorised application in the environment to avoid being compromised.
Trainee
Mar 2019 - Jul 2019
5 months
Lagos, Nigeria
Cyber Security Journalist
Facereon ™
Jan 2019 - Aug 2019
8 months
London, UK
Responsible for investigating and reporting on the latest threat landscape in cyber security. My day to day would consist, but not limited to: • Using Open Source Intelligence to examine known/unknown cyber threats • Research on state propaganda and opposing viewpoints to file stories • Report on internet attacks and data breaches
Diamond Bank Plc
Jun 2018 - Mar 2019
10 months
Lagos, Nigeria
Regulatory Compliance Executive
Sep 2018 - Mar 2019
7 months
Lagos, Nigeria
○Perform risk assessments to understand the level, significance and scope of risks. ○Prepare training materials and conduct AML/CFT training, KYC/CDD, training, Suspicious transactions training for all staff bank wide. ○Identify potential KYC/AML policy amendments in the course of reviews and make appropriate recommendations. ○Keep up to date with, and understand, relevant laws and regulations ○Monitor compliance with laws, regulations and internal policies ○Monitor and report unusual/suspicious transactions ○Educate employees on not only the regulations but also the impact to the organisation if these are not complied with ○Investigate irregularities and non-compliance issues ○Report back to business functions on current risk and compliance performance ○Highlight or escalate areas of concerns ○Contribute to robust and effective compliance controls within the organisation ○Review marketing materials, presentations and websites to ensure compliance with regulatory requirements ○Assist in the gathering of internal information in response to regulatory requests ○Perform various general administrative duties (such as file creation and maintenance of ongoing administrative projects). ○Collaborate with other departments to create a culture of compliance.
Graduate Trainee
Jun 2018 - Dec 2018
7 months
Lagos, Nigeria
Marketing Teacher
National Youth Service Corps
Nov 2016 - Dec 2017
1 year 2 months
Edo state, Nigeria
Research new topic areas, maintaining up to date subject knowledge and devise and write new curriculum material Prepare pupils for qualification and external examinations. Mark work, give appropriate feedback and maintain records of pupils progress and development.
Student Ambassador
Middlesex University
Dec 2011 - Mar 2015
3 years 4 months
Hendon London
○ Worked with the UK Student Recruitment and Outreach Team at on-campus and off-campus activities as a Student Ambassador. ○A positive student role model encouraging young people to consider university as a viable and attractive option. ○Offer support to all the young people and fellow staff members involved in the activities, in a safe and friendly manner. Off-Campus activity duties: ○To work with the UK Student Recruitment and Outreach Team providing support for activities at schools, colleges and other off-campus venues. ○Promote Middlesex university to prospective students, parents, teachers and careers advisors. ○Deliver presentations drawing on own experiences of education. On-Campus activity duties: ○To lead, encourage and support students during on-campus activities. ○To assist with the upholding of any rules at on-campus events. ○Encourage students to explore HE as a viable option for their future.
Customer Information Assistant
Transport for London
Dec 2013 - Jul 2014
8 months
London, UK
• Worked as part of a team that helps customer with replacement buses and other services when transport for London closes some part of the underground for maintenance and engineering work
Education
Turun yliopisto - University of Turku
Master's degree
2024 - 2026
2 years 1 month
Middlesex University
Bachelor of Science (BSc)
2013 - 2016
3 years 1 month