Hello! I'm
Mehedi Hasan Nayem
Security Analyst @ Telco SOC | CySA+ | Threat Detection & Response | CrowdStrike | Next-Gen SOC
About Me
Know Me More
Mehedi Hasan Nayem
Security Analyst @ Telco SOC | CySA+ | Threat Detection & Response | CrowdStrike | Next-Gen SOC
I'm a cybersecurity professional with hands-on professional experience in protecting digital assets and empowering users to stay safe online.
Proven expertise in SIEM solutions, Threat detection & monitoring, log analysis, and incident response, working with renowned cybersecurity solutions including CrowdStrike (NG-SIEM, SOAR, EDR, UEBA, ITP, Falcon Complete, Falcon OverWatch, Dark Web Monitoring) and Vectra AI NDR.
Expertise in Python, Bash, and shell scripting for problem-solving and automation.
Gained valuable experience working with renowned organizations, including Grameenphone, Robi Axiata PLC, and Meghna Cloud.
Passionate about helping organizations by securing their digital infrastructure and educating users on cybersecurity best practices.
3+
Years of Experience
10+
Courses & Certificates
Experiences
Professional Experiences
Working as a Security Analyst for Grameenphone. Ensuring 24x7 enterprise threat detection & response, advanced alert triage & monitoring, leveraging industry-leading platforms including CrowdStrike Falcon and Vectra AI to neutralize complex attacks, analyze threat intelligence, and maintain high organizational security resilience.
Responsibilities:
- 24x7 security event monitoring using SIEM, EDR, NDR, and WAF.
- Investigate, triage, and respond to security incidents with multi-source correlation.
- Detect advanced threats including ransomware, lateral movement, and C2 activity.
- Leverage CrowdStrike Falcon and Vectra AI NDR for endpoint and network threat detection.
- Analyze IOAs, IOCs, and threat intelligence feeds to track adversary TTPs.
- Collaborate with IR, network, and cloud teams to enhance detection and response.
- Maintain incident records, case management, and shift handovers for continuous SOC operations.
Tools & Technologies: CrowdStrike (NG-SIEM, SOAR, EDR, UEBA, ITP, Falcon Complete, Falcon OverWatch, Dark Web Monitoring)
F5 WAF, Fortinet & Palo Alto NGFW, Vectra AI NDR
Worked as a vendor for Robi Axiata PLC focusing on security and IT service monitoring, tracking system alerts, responded to incidents quickly, and used ManageEngine ServiceDesk to handle tickets and keep operations running smoothly.
Responsibilities:
- Monitoring and escalating alerts to the responsible team
- Identify and instantly respond to the incident
- Validate different types of processes
- Manage ticketing from ManageEngine's Service Desk
- Manage change request (CR) process
Tools & Technologies: ManageEngine ServiceDesk Plus, Grafana, Dynatrace, and Enterprise IT Service Monitoring (ITSM) Platforms
I'm a security engineer at Meghna Cloud. My responsibilities are to monitor & analysis security logs and ensure the security of the infrastructure.
Responsibilities:
- SOC Monitoring & Log Analysis
- Vulnerability Detection & Documentation
- Security Incident Response & Reporting
- Threat Intelligence Analysis
- Systems Hardening and Configuration
- Patch & Vulnerability Management
- Open-Source SIEM Solution Configuration
- Research & Integration of Open-Source Solutions
- Cybersecurity Solution Development and more
Tools & Technologies: Wazuh, Kibana, Elasticsearch, Suricata, AlienVault OTX, MISP, Filebeat, Grafana
Versatile technology, security, and digital asset management professional at Adarsha. There I work to ensure the security and efficiency of digital assets, security, managemnet, and solve technical problems to make the working environment efficient at Adarsha.
Responsibilities:
- Ensure Security for digital assets and technical infrastructure
- Develop System and software base on demand
- Provide necessary technical support
- Data sourcing, Management & analysis
- Maintaining Software, Services, Digital assets & Security
- Train employees about technical and security awareness
- Research, Analyze & test software, services
- Objective Key Result (OKR) Methodology
I learned and grew with my dedicated team. Together, we worked on various projects, wrote blogs, prepared cybersecurity services, and trained cybersecurity professionals. As part of my team at SecurityMindPro, I also led the publication of CyberShield, the first Bengali cybersecurity magazine.
I worked as a training assistant in a collaborative cybersecurity course organized by 'BYEAH' and 'Shorobor' in partnership with 'SecurityMindPro'. I guided students, prepared tasks, and assessed assignments. It was a rewarding experience to manage and nurture aspiring cybersecurity professionals.
Projects
Notable Projects
Windows Event Log Analyzer
Mar 2022
Details
windows Event Log is like a Blackbox we can investigate any issue by analyzing the event logs. This program gets logs from the Microsoft event viewer, analyzes logs, and sends a log summary with full details of logs in a CSV file to the given email.
Explore POCCyberShield : The First Ever Bangla CyberSec Magazine
JUN 2023
Details
CyberShield is the first-ever Bangla cybersecurity magazine. I led the CyberShield project to bridge the digital divide and empower Bengali speakers with cybersecurity knowledge and skills. This ambitious project demanded extensive research, collaboration with experts, and meticulous attention to detail to produce high-quality content that is both accessible and informative. Despite the challenges, I persevered and successfully published the inaugural issue of CyberShield, which has been praised for its impact and become a valuable resource for Bengali speakers.
Read CyberShield
Skill Set
Skills
Technical Expertise
- SOC & Incident Response
- Threat Detection & Analysis
- SIEM & Log Management
- Endpoint Detection & Response
- Network Security & NDR
- Scripting & Automation
- Threat Intelligence
- NGFW & WAF Operations
- Open Source Security Tools Integration
Working Env.
Tools-Technologies & Working Environment
SIEM & Log Management
- CrowdStrike NG-SIEM
- Wazuh
- Elasticsearch
- Kibana
- Filebeat
Endpoint Detection & Response
- CrowdStrike Falcon EDR
- CrowdStrike Falcon Complete
- CrowdStrike OverWatch
- CrowdStrike UEBA
- CrowdStrike ITP
Threat Intelligence
- AlienVault OTX
- MISP
- CrowdStrike Dark Web Monitoring
Network Detection & Response
- Vectra AI NDR
- Suricata
- Snort
- WireShark
- Fortinet NGFW
- Palo Alto NGFW
- F5 WAF
VAPT Tools
- Metasploit
- Burp Suite
- Nmap
- Nikto
- OpenVAS
- OWASP ZAP
Programming & Web scripting
- Python
- Bash
- Shell
- HTML
- CSS
Testimonials
Valuable Testimonials
Mehedi H. Nayem
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M. Hasan Nayem
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Mehedi Hasan N.
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