c
cyberlondon

M Rahman

@cyberlondon

Cyber Security Specialist Microsoft Sentinel and Defender XDR

United Kingdom
English
About me
Welcome to CyberHouse London. I am an enterprise Cyber Security Specialist with 10+ years of experience across government, financial services and regulated environments. I specialise in Microsoft Sentinel, Defender XDR, security monitoring, analytics rules and alert tuning. Specialized Services:: Microsoft Sentinel Health Checks Microsoft Defender XDR Health Checks Analytics Rule creation and tuning KQL-based detection improvements False-Positive Reduction & SOC Optimization My approach is practical and focused on improving security visibility, detection quality and SOC effectiveness.... Read more

Skills

c
cyberlondon
M Rahman
Offline • 

See my services

Technical Support
I will perform microsoft defender xdr and sentinel health checks and tuning rules
From$80 / projectMore details

Portfolio

Work experience

Public

Cyber Security Specialist

Public • Full-time

Jul 2020 - Present • 6 yrs 2 mos

Key responsibilities include: • Microsoft Sentinel health checks and optimisation • Analytics rule creation, tuning and maintenance • KQL query development and detection engineering • Microsoft Defender XDR administration and configuration • Security monitoring and threat detection improvements • False positive reduction and alert quality enhancement • Incident investigation and security event analysis • SOC process optimisation and security visibility improvements • Vulnerability management and remediation oversight • Security policies, standards and procedures development • Cyber risk assessments and third-party security reviews • NCSC Cyber Assessment Framework (CAF) and compliance activities • Security awareness and cyber resilience initiatives • Support for penetration testing, security audits and remediation programmes