Senior Security Researcher- NDR/IDS/IPS

3 days ago


bangalore, India Zyoin Group Full time

Experience: 6+ years in security detection authoring / network threat detectionLocation: Bangalore (Hybrid / Onsite as applicable)Required Skills & Experience6+ years of experience in security detection authoring, with strong expertise in:Network-based detections such as NDR, IDS, and IPS signaturesDesign and development of anomaly-based and behavioral detectionsTuning and optimization of detections to improve accuracy and reduce false positivesDeep understanding of networking fundamentals and protocols, including:TCP/IP, DNS, HTTP, and related protocolsNetwork authentication and directory protocols such as LDAP, NTLM, etc.Hands-on experience with protocol analyzers and packet inspectionStrong experience with Suricata/Snort rule authoring and network threat detection frameworksProven ability to research network threat vectors and develop high-quality security detectionsExperience using:MITRE ATT&CK frameworkPCAP analysisThreat intelligence feedsExposure to third-party firewalls, IDS/IPS, and network edge devices, including understanding their capabilities, configurations, and vulnerabilities (nice to have)Experience working in Managed Detection & Response (MDR) environments and learning multiple security technologiesStrong analytical and problem-solving skills, with the ability to help the team solve complex technical and security challengesSolid understanding of networking, protocols, and cybersecurity fundamentals



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