Email Security SME

2 weeks ago

Mumbai, Maharashtra, India Outworx Solutions Full time ₹ 8,00,000 - ₹ 12,00,000 per year

Level: L3

Lead the investigation of high and critical severity email security incidents flagged by Microsoft Defender for Office 365 (MDO).

Correlate alerts across Defender XDR (including Defender for Endpoint, Identity, and Cloud Apps) to build a complete incident storyline.

Use automated investigation and response (AIR) playbooks to identify impacted entities and take containment actions such as:

- Soft-deleting malicious emails.

- Removing suspicious inbox rules.

- Blocking sender domains or URLs

Perform forensic analysis of phishing, spoofing, and business email compromise (BEC) attacks.

Document root cause analysis (RCA) and lessons learned for each incident

Identify gaps in detection logic and recommend improvements to SIEM and SOAR teams.

Support in Providing recommendation for fine-tuning MDO policies such as anti-phishing, anti-spam, and safe links/safe attachments.

Collaborate with Microsoft Premier Support for platform-level bugs or advanced troubleshooting

Engage with the Microsoft DART team when sanctioned by the customer for deep-dive investigations

Update incident status in ServiceNow tool and ensure timely communication with stakeholders

Participate in CSIRT bridges and coordinate with customer Cyber Defense teams and Rapid Response Teams (RRTs)

Contribute to weekly/monthly dashboards and SLA/KPI reporting

Implement learnings from past incidents to prevent recurrence

Participate in quarterly tuning sessions and transformation workshops

Tool / Technology: Microsoft Defender for Office

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