Threat Hunter - Senior
EY
Thiruvananthapuram, Kerala, India · United Kingdom · London, UK · Manchester, UK
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Job Description: Senior Cyber Threat Intelligence Analyst
Position Overview: We are seeking a highly skilled and experienced Senior Cyber Threat Intelligence Analyst to join our cybersecurity team. The ideal candidate will have a strong background in threat intelligence monitoring, report writing, and the use of various threat intelligence platforms. This role requires a proactive individual who can develop and sustain custom threat intelligence feeds, integrate them into SIEMs, and provide in-depth reporting tailored to client needs. The candidate must be comfortable working in the EST timezone (evening shift for overlap with onshore/client team ) and be on-call for high-priority urgent tasks.
Key Responsibilities:
- Monitor and analyze threat intelligence using tools such as ZeroFox, Digital Shadows, or similar platforms.
- Write comprehensive and technical cybersecurity reports with strong attention to detail.
- Utilize OSINT, IOC lookup and validation, Domain Registrar lookups, VirusTotal, and Dark Web search for threat intelligence gathering.
- Develop, sustain, and enrich custom threat intelligence feeds using platforms like MISP, with scripting in Python, Azure, and Linux.
- Manage threat intelligence feeds using platforms such as Anomali, ThreatQ, Cyble, Cyware, OpenCTI, and MISP.
- Integrate threat intelligence feeds into common SIEMs, particularly Microsoft Sentinel.
- Execute domain and social media account takedowns as necessary.
- Create custom, in-depth reports specific to client requirements.
- Apply knowledge of MITRE ATT&CK, D3F3ND frameworks, and the Cyber Kill Chain in threat analysis.
- Utilize Excel and/or Power BI for data visualization and graph creation.
- Experience with excel data cleansing, VLookups, Pivot Tables
- Prepare and deliver PowerPoint presentations and reports to stakeholders.
- Maintain strong verbal and written communication skills in English.
- Work independently under pressure and prioritize tasks effectively.
- Be available for on-call duties for high-priority urgent tasks.
- Collaborate with Managed Security Service Providers (MSSPs) for backend and client-facing work.
Qualifications:
- Minimum of 3 years of experience with threat intelligence monitoring tools.
- At least 1 year of experience in threat intelligence report writing.
- Proficiency with OSINT, IOC lookup and validation, Domain Registrar lookups, VirusTotal, and Dark Web search.
- Experience with scripting in Python, Azure, and Linux.
- Familiarity with one or more threat intelligence platforms for feed management.
- Experience integrating threat intelligence feeds into SIEMs, especially Microsoft Sentinel.
- Proven experience with domain and social media account takedowns.
- Strong understanding of MITRE ATT&CK, D3F3ND frameworks, and the Cyber Kill Chain.
- Excellent English writing skills.
- Proficiency in Excel and/or Power BI for data visualization.
- Strong experience with PowerPoint presentations and reporting.
- Strong verbal English and presentation skills.
- Cybersecurity certifications (e.g., COMPTIA, SANS GIAC, ISC, EC-Council) are a plus.
- Certifications specific to cyber threat intelligence are an asset.
- Ability to work in the EST timezone (evening shift for overlap with onshore/client team ).
- Strong analytical skills and ability to prioritize tasks effectively.
- Experience working with MSSPs for backend and client-facing work.
Preferred Skills:
- Experience with additional threat intelligence platforms.
- Advanced technical writing and reporting skills.
- Strong analytical and problem-solving abilities.
- Ability to work independently and as part of a team.
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