MAHADEVAN K
Chennai
Summary
Driven by a passion for cybersecurity, I excelled at Expeditors, leading advanced threat-hunting operations and enhancing cloud security through Conditional Access Policies. My expertise in SIEM and malware analysis, coupled with a knack for mentoring, significantly fortified organizational defenses. I thrive on tackling cyber threats with innovative solutions and collaborative teamwork.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Cybersecurity Specialist II
Expeditors
Chennai
12.2024 - Current
- Spearheading advanced threat-hunting operations to proactively identify and mitigate sophisticated cyber threats.
- Performed comprehensive security assessments and vulnerability scans to identify and mitigate potential security risks, ensuring the safeguarding of organizational assets and data integrity.
- Successfully implemented Conditional Access Policies in Azure to enforce adaptive controls, restricting access based on user and location risk levels, enhancing the security of cloud resources.
- Configured and maintained SIEM site collectors to streamline log ingestion from diverse organizational resources, enhancing real-time monitoring, threat detection, and incident response capabilities.
- Delivered targeted training sessions for junior analysts on malware analysis and SIEM rule crafting.
- Conducted an in-depth analysis of advanced persistent threats (APTs) and zero-day attacks using MDE XDR's threat detection capabilities.
Associate Cybersecurity Analyst
Expeditors
Chennai
12.2020 - 11.2024
- Conducted comprehensive penetration tests on networks, applications, and systems to identify and exploit vulnerabilities.
- Produced detailed reports outlining identified vulnerabilities, potential risks, and recommended remediation strategies.
- Implemented continuous monitoring of the organization's external assets, utilizing Mandiant ASM, ensuring a proactive approach to threat detection and response in order to safeguard against potential security risks.
- Analyzed network traffic logs, firewall logs, intrusion detection system alerts, and antivirus reports to identify potential threats.j
- Written well-crafted use cases in Microsoft Defender for Endpoint to keep up with the threat landscape pertaining to different APT groups.
- Effectively administered the Exabeam SIEM system, demonstrating expertise in crafting and optimizing rules.
- Regulated email security with respect to phishing, malware cases, and thwarted mass phishing campaigns.
- Conducted an in-depth analysis of various malware specimens, employing advanced techniques to dissect and understand their functionalities, origins, and potential impact on system security.
- Performed network monitoring and identified anomalies by leveraging the organization's XDR and SIEM solutions.
- Oversaw user sign-in logs to maintain a vigilant eye on access activities, promptly detecting and responding to any irregularities or security concerns for effective user account monitoring.
- Proactively identified and resolved issues related to TLS/SSL certificates by leveraging troubleshooting skills, ensuring secure and seamless communication within the network infrastructure.
- Implemented Access Control Lists (ACLs) on routers to enhance network security, effectively regulating and controlling traffic for optimal performance.
Education
Bachelors of Engineering - Computer Science & Engineering
Rajalakshmi Engineering College
Chennai, India10.2020
Skills
- Security information and event management
- Vulnerability assessment
- Web application security
- Intrusion detection systems
- Cloud security
- Public key infrastructure
- Digital certificates management
- Phishing awareness training
- Endpoint protection platforms
- Security operations center
- Malware analysis
- Threat intelligence analysis
- Penetration testing
Certification
- Certified Ethical Hacking v11
- Application Security for Developers
- Practical Malware Analysis & Triage
Accomplishments
- Received Organizational Award 'Curiosity' Person of the year.
- Active Participant in Capture the Flag events.
- Developed insightful technical content focused on current Malware trends, delivering comprehensive analyses and strategic insights to enhance cybersecurity awareness and proactive defense measures.
Languages
Tamil
First Language
English
Advanced (C1)
C1
Timeline
Cybersecurity Specialist II
Expeditors
12.2024 - Current
Associate Cybersecurity Analyst
Expeditors
12.2020 - 11.2024
Bachelors of Engineering - Computer Science & Engineering
Rajalakshmi Engineering College
Similar Profiles
Carlos Alonso SantosCarlos Alonso Santos
Regional Vice President Southwest Europe at ExpeditorsRegional Vice President Southwest Europe at Expeditors
Surjit PaulSurjit Paul
Pricing & Procurements Manager at ExpeditorsPricing & Procurements Manager at Expeditors
Ricardo PadronRicardo Padron
Warehouse Forklift Operator/ Merchandise Inspector at ExpeditorsWarehouse Forklift Operator/ Merchandise Inspector at Expeditors