DuoCircle logo


DuoCircle is proud to partner with the Center for Internet Security® (CIS®) to offer U.S. State, Local, Tribal, and Territorial (SLTT) agencies an all-encompassing email security solution that guards against cyber threats, monitors domain integrity, and enables a fortified email environment.

Learn more

About DuoCircle

DuoCircle's commitment to excellence is evident in its SOC 2 Type 2 certification, ensuring top-notch security for products like Phish Protection and DMARC Report. With a focus on customer satisfaction, DuoCircle offers an array of email services with 24/7 support and service level agreements to meet the challenges of organizations of all sizes. DuoCircle’s dedication to security and reliability makes us a trusted partner to CIS and SLTT entities in the cybersecurity landscape.

DuoCircle Solution Overview

DuoCircle offers a suite of email security, deliverability, and routing solutions, including their premier products, Phish Protection and DMARC Report. Combined, these tools offer a robust defense against email threats.

  • DMARC Report: DMARC Report provides an essential solution for enhancing email security and domain trustworthiness. It offers detailed insights into email authentication processes, helping organizations identify and mitigate potential vulnerabilities in their email communication. By ensuring proper alignment of emails with DMARC standards, this tool plays a pivotal role in protecting domains from impersonation, phishing attacks, and other email-based threats. The DMARC Report is not just a tool for compliance; it's a comprehensive approach to maintaining the integrity and reliability of an organization's email infrastructure.
  • Phish Protection: Phish Protection is a comprehensive email security gateway designed to provide unparalleled protection against phishing, spam, viruses, and impersonation attacks. This single-tier service offers uniform, top-level security features for all users, ensuring every organization benefits from our robust defense mechanisms.

DuoCircle’s Phish Protection and DMARC Report are used to provide Multi-State Information Sharing and Analysis Center® (MS-ISAC®) and Elections Infrastructure Information Sharing and Analysis Center® (EI-ISAC®) member organizations with the Email Protection Service. However, member organizations can upgrade to a self-managed standalone version of DuoCircle’s solutions that provide additional product features and capabilities at a discounted price.


Email Protection Service (EPS) DMARC Report & Phish Protection by DuoCircle
Why Choose? A free service for basic email security A paid, self-managed service with additional security features
Who Should Choose? Any and all U.S. SLTTs U.S. SLTTs with in-house IT security resources wanting additional services
Provided by
 CIS DuoCircle
Deployable in Minutes
 checkmark  checkmark
Inbound Mail Screening
 checkmark  checkmark
Malware, Phishing, and Spam Protection  checkmark  checkmark 
Email Spoofing Protection  checkmark  checkmark
Malicious Link Protection
Basic Enhanced
Seamless Integration with Office365, Microsoft Exchange, and Other Hosted Email Platforms  checkmark  checkmark
DMARC Reporting Capabilities  checkmark  checkmark
Real-time Portal Access  x mark  checkmark
Detailed View of Inbound Message Information, Including Message Bodies  x mark  checkmark
Malicious and Spam Email Quarantine  x mark  checkmark
Ability to Whitelist or Blacklist Email Addresses, Domains, or Mail Servers Performed by CIS Performed by Organization

Pricing and Contact Information

MS-ISAC® and EI-ISAC® members, as well as other U.S. State, Local, Tribal, and Territorial (SLTT) governments, associated nonprofit organizations, and public education and healthcare institutions can purchase Phish Protection and DMARC Report by DuoCircle at the following discounted rates through CIS CyberMarket®:

DMARC Report

  • Monthly service priced based on the number of domains.
    • For 25 domains sending less than 2 million messages per month: 60% off in the first year, 40% off in the second year.
  • 24x7 Support: Prioritized customer support for U.S. SLTT entities, offering a higher level of service compared to regular customers.

Phish Protection

  • Base Plan: $24/month for 10 users [30% savings]
  • Additional Users: $1.00 per user/month. [60% savings]
    • >2500 users: $0.80 user/month
  • Free Trial: 60-day free trial with comprehensive onboarding support
Want to learn more about our special member pricing for DuoCircle? Fill out the form below.