Trustwave Unveils New Offerings to Maximize Value of Microsoft Security Investments. Learn More

Trustwave Unveils New Offerings to Maximize Value of Microsoft Security Investments. Learn More

Managed Detection & Response

Eliminate active threats with 24/7 threat detection, investigation, and response.

Co-Managed SOC (SIEM)

Maximize your SIEM investment, stop alert fatigue, and enhance your team with hybrid security operations support.

Advisory & Diagnostics

Advance your cybersecurity program and get expert guidance where you need it most.

Penetration Testing

Test your physical locations and IT infrastructure to shore up weaknesses before exploitation.

Database Security

Prevent unauthorized access and exceed compliance requirements.

Email Security

Stop email threats others miss and secure your organization against the #1 ransomware attack vector.

Digital Forensics & Incident Response

Prepare for the inevitable with 24/7 global breach response in-region and available on-site.

Firewall & Technology Management

Mitigate risk of a cyberattack with 24/7 incident and health monitoring and the latest threat intelligence.

Offensive Security
Solutions to maximize your security ROI
Microsoft Exchange Server Attacks
Stay protected against emerging threats
Rapidly Secure New Environments
Security for rapid response situations
Securing the Cloud
Safely navigate and stay protected
Securing the IoT Landscape
Test, monitor and secure network objects
Why Trustwave
About Us
Awards and Accolades
Trustwave SpiderLabs Team
Trustwave Fusion Security Operations Platform
Trustwave Security Colony
Technology Alliance Partners
Key alliances who align and support our ecosystem of security offerings
Trustwave PartnerOne Program
Join forces with Trustwave to protect against the most advance cybersecurity threats

Email Security & Management

Capture 99.99% of malware and exploits with extensive policy controls & layered protection against email-based threats.

Improve Cyber Resiliency with Layered Email Security

Email is the number one attack vector used by threat actors who are continuously increasing their sophistication. An organization can only be secure with a multi-layered approach to email security. Trustwave MailMarshal’s layered security reduces false positives and protects against spam, gateway attacks, viruses, phishing attempts, and malicious URLs.


Layered Security

Catch what others miss & protect against ransomware, business email compromise (BEC), phishing, malware, and zero-day exploits.


Management Flexibility and Control

Achieve granular control, policy management,
and compliance tasks through a single portal.


Ease of Implementation

Set up and start protecting email within minutes with built-in rule sets.


Track Record of Success

25 years of leadership in email security services supported by Trustwave SpiderLabs elite threat detection security team.

99.99% Malware and exploit capture rate

Powered by telemetry from 5,000+ global MSS/MDR clients

0 clients reported ransomware infection or major incidents

130+ built-in policies for fast implementation

< 0.001% false positives

Complements Microsoft 365, Azure Rights Management Services (RMS), and other cloud email solutions



Layering Trustwave MailMarshal with Microsoft 365
delivers greater protection

Learn More


Flexible Deployment Options That Fit the Needs of Your Business



Retain on-site, granular control of your email environment and gain industry leading protection.



Combine a software-based on-premises or SaaS-delivered cloud deployment to furnish additional layers of protection.



Achieve improved email security and save money by complementing your web-based email gateways.

Free Offer

Try our MailMarshal M365 Email Scanner to identify all the threats that have passed your email security tool in the last 30 days that MailMarshal would have caught.


Comprehensive Protection with Maximum Control


Extensive Policy Controls

Implement custom policy configurations based on trigger points, content filtering and other policies for greater control.

Data Loss Prevention (DLP)

Scan outbound emails and attachments to provide full DLP-level inspection to manage confidential data and meet stringent industry and regulatory requirements.

Advanced Detection and Filtering

Stops external phishing, business email compromise and other threats by scanning for email anomalies, inconsistencies, and malicious behavior in the email’s structure, content, attachment, and links.


Customizable Business Email Compromise (BEC) Protection

Avoid targeted phishing and BEC attacks through the combination of email security measures, employee education and best practices.


Time of Click URL Scanning

Validates every URL and webpage at the time of click and not just at the time of receipt to ensure you are protected anytime and from any device.

Additional Management & Security Modules


Advanced Threat Protection

Identifies, catches, neutralizes and blocks, in real-time, websites that serve up suspicious or malicious code to company users and provides zero-day protection against phishing, blended and targeted threats.


Comprehensive Email Archiving

Provides a systematic approach to save and protect the data contained in email messages to enable fast retrieval. This tool plays an essential role at companies in which data permanence is a priority.


Image Analyzer

Automatically scans and sorts images entering the company via email into two categories – offensive and normal and acceptable. Protects employees, customers and suppliers from exposure to inappropriate and illegal content helping to reduce legal liability.


Malware Analysis Sandbox

Proactively prevents advanced malware and provides a safe environment in which to execute and observe malicious code or to encourage threats into exposing themselves. It also reduces the amount of time between infection and remediation, mitigates the risk of breaches, and detects zero day or unknown attacks.


Simple, Advanced Email Encryption

Email users can securely send emails containing sensitive or confidential information and documents to any recipient around the globe without requiring the recipient to download or install any software.

Frequently Asked Questions

What is secure email?

How to send email securely?

What is the most secure email approach?

What are the types of email security?

How does Trustwave MailMarshal complement Microsoft 365?

What is an email security gateway?

What are the benefits of using secure email?

Can a firewall block email?

Get Started

Learn more about how our specialists can tailor a security program to fit the needs of your organization.