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Denis GitongaDG
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Denis Gitonga

@denisgitonga

I investigate, contain and reduce cyber risk across MSSP client environments.

Kenya
Message

At Silensec, I support a diverse MSSP client portfolio through security monitoring, incident response, threat detection, vulnerability management and security advisory services. I investigate alerts across Microsoft Defender for Endpoint, CrowdStrike, Wazuh, Darktrace and Cynet, translating findings into clear remediation priorities.

I've built my cybersecurity practice across network operations, security assessments and incident response, including work with Palo Alto, Cisco ISE, AWS and Azure. I combine threat hunting, risk assessment and client reporting to help teams reduce exposure, maintain SLAs and strengthen operational resilience.

Experience

Work history, roles, and key accomplishments

SI
Current

Security Consultant

Silensec

Nov 2024 - Present (1 year 10 months)

Work in an MSSP environment supporting a diverse portfolio of clients through security monitoring, incident response, threat detection, vulnerability management, and security advisory services. Review and validate cybersecurity incidents and risks using SIEM, endpoint, network, and threat-intelligence telemetry.

CS

Cyber Security Consultant

Cybersecurity Services

Mar 2021 - Nov 2024 (3 years 8 months)

Delivered cybersecurity services covering security monitoring, incident investigation, vulnerability management, security assessments, and client reporting. Supported incident response by analyzing endpoint behavior, network activity, and system logs, and escalated high-risk incidents.

Education

Degrees, certifications, and relevant coursework

Dedan Kimathi University of Technology logoDT

Dedan Kimathi University of Technology

Bachelor of Science, Electrical and Electronic Engineering

Bachelor of Science in Electrical and Electronic Engineering from Dedan Kimathi University of Technology.

Tech stack

Software and tools used professionally

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