Cyber Security Researcher

3 weeks ago

Chennai, India Necurity Solutions Network Security Pvt Ltd Full time

Job Summary:

He/she is responsible for remediating vulnerabilities identified during internal and external vulnerability assessments and penetration testing (VAPT). This role involves sourcing appropriate tools or patches, coordinating with service providers, understanding and analysing vulnerabilities within the Organisation environment, and implementing solutions to ensure the security of IT assets.

Key Responsibilities:


• Remediate VAPT issues identified by internal or external teams for specific IP assets.


• Conduct network scanning and enumeration to identify live hosts, open ports, and services.


• Perform vulnerability assessment using automated tools and manual techniques.


• Source and implement tools or patches to address IT asset vulnerabilities as per recommendations.


• Apply VAPT scripts in the environment without causing business disruptions.


• Coordinate with internal and external service providers (server, desktop, network) to resolve issues within project timelines.


• Analyse vulnerabilities in IT assets, assess their potential impact on Organisation business operations, and resolve them accordingly.


• Monitor and analyse logs, perform log correlation, and detect anomalies using available facilities.


• Review, configure, and monitor security software(Crowd Strike and Symantec experience preferred) throughout the environment.


• Investigate security incidents, document findings, and report issues.


• Stay informed on external security advisories and communicate relevant information to team members to prevent potential threats.


• Apply IT asset hardening techniques to reduce the attack surface, especially concerning DNS security to prevent phishing and web-based attacks.


• Maintain awareness of existing security detection tools and systems at Organisation and enhance their usage on a day-to-day basis.


• Implement and ensure the security of internal and external DNS, as well as directory services.


• Establish a baseline of network activity and identify unusual or suspicious activities.


• Ensure proper configuration and updates for perimeter security methods including firewalls, wireless controllers, access points, antivirus, and anti-malware software.


• Monitor and control access to shared resources, ensuring appropriate credentials and controls are in place.


• Understand network protocols and leverage micro-segmentation to maintain secure access within the local network.


• Investigate security incidents, document findings, and report information security issues.


• Provide technical and functional support to the L1 team.

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