- Developer: Trustmi
- Supported By: Mimecast Support
- Documentation: View
- Release Date: January 2026
- Integration Version: 1.0
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Developed by Trustmi
The Mimecast + Trustmi integration extends email and BEC protection into ERP and payment systems to prevent costly, fraudulent, and misdirected payments resulting from socially engineered attacks.
Mimecast detects and blocks email-based threats such as phishing, malware, ransomware, and business email compromise (BEC). Trustmi’s Agentic AI solution complements Mimecast by detecting vendor impersonation, account takeover, and other social-engineering techniques, and by validating the financial-system actions where fraud happens, including vendor onboarding, bank-account changes, invoice manipulation, and payment runs.
By correlating email threat signals with real-time financial-system behavior, the joint solution identifies high-risk payment activity and blocks fraud before funds leave the organization. This closes the gap between email security and payment execution, delivering end-to-end protection from the initial social-engineering attack to the final transaction.
Together, Mimecast and Trustmi help security and finance teams reduce payment-fraud risk, strengthen internal controls, and gain confidence that every dollar goes to the right place, every time.
Attackers use compromised or convincingly impersonated email accounts to request payment changes, new bank details, or out-of-cycle payments. Mimecast detects suspicious email activity and account behavior, while Trustmi validates vendor and bank-account changes and payment runs, blocking fraudulent payments before funds are released.
Fraudsters impersonate executives, finance leaders, or vendors using realistic language and timing rather than malicious links or attachments. Even when emails appear legitimate, Trustmi detects inconsistencies in vendor identity, payment instructions, and historical behavior, preventing unauthorized requests from turning into payment fraud.
Attackers register domains that closely resemble legitimate vendors or internal users to submit payment requests or bank-detail updates. Mimecast identifies suspicious domains and sender behavior, and Trustmi correlates these signals with attempted vendor-master or payment changes to stop fraudulent payments at execution.
Spoofed emails mimic trusted senders to pressure finance teams into approving payments quickly. Mimecast flags spoofing indicators at the email layer, while Trustmi ensures any related invoices, bank changes, or payment approvals are validated against expected patterns before money moves.
Fraudsters submit forged invoices or altered documents designed to pass manual review. Trustmi detects anomalies in invoices, attachments, and payment instructions, and blocks payments that deviate from established vendor and transaction baselines, even when the email itself appears harmless.
Explore prerequisites, API, and configurations for Mimecast integrations.