Product · 2 MIN READ · KIM MAHONEY · SEP 18, 2025 · TAGS: tech stack
TL;DR
- Expel MDR for Email now integrates with Sublime Security for enhanced threat visibility.
- This integration centralizes email security alerts and response within Expel Workbench™, alongside other security signals.
- Expel customers can now shift left in identifying email attacks before they hit their inbox with extended email threat coverage and streamlined security operations.
Another tool in your corner against email threats
Your SOC sees it every day: email remains a primary attack vector. Identity-based incidents, largely originating from emails, made up 68% of all incidents among Expel customers in 2024. We launched Expel MDR for Email to give you better visibility into email-based threats sooner in the attack lifecycle, and today we’re expanding that coverage with a new integration for Sublime Security.
What this integration means for your operations
Sublime Security joins our existing email security integrations alongside Proofpoint and Abnormal AI, giving you more options for comprehensive email threat coverage within your Expel MDR service.
Direct API integration means Sublime’s alerts flow into Expel Workbench™, where they’re processed and analyzed alongside data from across your entire environment.
Cross-platform correlation connects email security events with activity across your endpoint, network, and identity solutions. When an email security tool flags a potential threat, Expel automatically checks for related endpoint activity, suspicious logins, and other indicators to give you the complete picture.
Centralized response capabilities lets Expel analysts take response actions on your behalf, helping contain threats and mitigate risk faster on email threats through the same interface they use for all other security incidents, streamlining response workflows.
How it works in practice
Unified visibility: Sublime alerts appear in Workbench alongside all other security events, properly categorized and prioritized according to your existing incident classification system.
Automatic enrichment: Email security alerts get enhanced with relevant context from your other security tools, helping analysts make faster triage decisions and speeding up response times.
Consistent workflows: Expel analysts use the same procedures for email threats as they do for your other security incidents—no separate processes to learn or maintain.
Coordinated response: Remediation actions can be taken across email and other security tools through your standard Expel incident response procedures.
What your team gets
Expel customers with Sublime Security deployments get:
- Earlier stage email threat detection helping uncover potential threats before attackers are able to gain initial access.
- Integrated email threat visibility by integrating your Sublime alerts with other security signals in your tech stack.
- Streamlined alert triage with email security events investigated and available within your Expel dashboard.
- Cross-platform correlation and investigation that connect email threats to broader attack patterns.
- Unified incident response actions that automatically contain threats and help prevent users from falling victim to email-based attacks.
The bigger picture
This integration reinforces our commitment to comprehensive MDR coverage across all major attack vectors. With Sublime added to our email security integrations, you have more flexibility in choosing the email protection solution that best fits your environment while maintaining consistent detection and response capabilities through Expel.
Whether you’re already using Sublime or considering it as part of your email security strategy, this integration ensures your investment works seamlessly within your broader security operations.
Getting started
Considering adding email security coverage to your MDR service? Contact your Expel customer success team to discuss how MDR for Email, including our new Sublime integration, can enhance your security operations.
Ready to learn more? Check out Expel can help you shift left in detecting and blocking email threats.
MDR for Email with Sublime Security integration is available to Expel customers immediately. Email security coverage can be added to any existing Expel MDR service package.
