Email Security

Active Defense and Extended Protection for Microsoft 365 Users

Defenders need to be right every single time. Attackers, on the other hand, need to be right just once.

Protect Your Microsoft 365 Investment

While Microsoft 365 is a robust service offering, it misses significant phishing, malware and business email compromise attacks. And, while email security add-ons like Exchange Online Protection (EOP) or Advanced Threat Protection (ATP) have fairly good basic spam and malware filters, they will not reliably stop malicious spam or your end-users from gaining access to malicious emails haphazardly dumped into their junk email folder by Microsoft 365.

Enhance Native Microsoft 365 Email Security

  • Includes predictive heuristic, human and machine learning based intelligence
  • Specifically identifies evolving malicious emails and targeted threats
  • Provides layers of defense from spam, malspam, phishing and email compromise
  • Constantly fine-tuned to ensure a high degree of accuracy
  • New rules and threat intelligence are continually added to the detection and protection engines
  • Powered by industry-leading threat intelligence and Trustwave SpiderLabs Email Security Research and Malware Analysis Team

Better Together – Microsoft 365 and Trustwave MailMarshal Cloud

Microsoft 365 detects spam, and malspam to a much lesser extent when compared to the detection rates generated by Trustwave MailMarshal. Suspicious emails detected by Microsoft 365 are not quarantined from end user access giving cyber attackers, through their targeted victims, an extended opportunity to unleash malicious code into a computer network.

Conversely, combining the proprietary defense filters in Trustwave MailMarshal with the built-in security protections in Microsoft 365 delivers unprecedented detection and extended protection in real time by proactively detecting suspicious email, removing them from end user access and shielding well-intentioned end users from falling prey to known and targeted attacks. All at a per user, per year cost considerably less than upgrading to Microsoft 365 E3 or E5 license subscriptions.

Suspicious Email Detection Rate

When Trustwave MailMarshal cloud-based services are layered on top of Microsoft 365


Malware (Malspam)

Malware (IR Cases)

Business Email Compromise

White Paper

In, Out and Around: 360° Security for Microsoft 365

If your organization is using or plans to move to Microsoft 365, learn what to expect from an email security, data protection and management perspective.

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