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Security and Compliance
Last updated May 6, 2026
DuoCircle has been examined under SOC 2 Type II annually since 2022 by an independent CPA firm. We are CSA STAR registered for six product services. Our control environment is documented, audited, and publicly verifiable to the extent appropriate. The full SOC 2 report is available to customers and serious prospects under a Mutual NDA we publish in advance, so the only step between you and the report is a single signature on a form you have already read.
SOC 2 Type II
Item	Detail
Trust Services Criteria	Security, Availability, Confidentiality, Processing Integrity
Standard	AICPA SSAE 18 / Trust Services Principles 2017 (TSP section 100A)
Type	Type II, with reporting period of operating effectiveness
Cadence	Annually since 2022
Auditor	Hancock Askew & Co, LLP
Audience	Users with a business need, under Mutual NDA
Trust Center
Our standard security and compliance documentation is published at trust.duocircle.com, including SOC 2 Type II reports, security policies, and standardized vendor assessment responses. Most enterprise procurement teams find what they need there without having to ask. The SOC 2 Type II report itself is gated behind the Mutual NDA below, which you can read in advance.
How to request the SOC 2 report
Review the NDA. We publish the Bonterms Mutual NDA at /legal/mutual-nda/ with our cover-page values. Read it before you reach out.
Email [email protected] to request the report. Tell us the legal entity name and the email of the authorized signer.
Sign electronically. Most exchanges complete within one business day.
Receive the report. Same business day in most cases, immediately on receipt of the executed NDA.
No procurement gauntlet, no redline cycles, no two-week back-and-forth. If your organization requires its own NDA form, send it. We accept reasonable customer paper without comment in the great majority of cases.
CSA STAR Registry
Public trust posture, no NDA required. The CSA STAR self-description summarizes our compliance environment without disclosing the SOC 2 report itself. Use it for early-stage diligence.
Item	Detail
Registry entry	cloudsecurityalliance.org/star/registry/duocircle
Level	Level 1, CAIQ Lite, subset of CCM v4.1
Services listed	Alumni Forwarding, AutoSPF, DMARC Report, Outbound SMTP, Phishing Protection, Tenant Migration
Cadence	Annual self-assessment
Technical and organizational security measures
The current control set is summarized below and described in full in the Security Measures section of the DPA.
Encryption in transit using TLS 1.2 or higher for all customer-facing endpoints
Encryption at rest for databases, object storage, and backups using industry-standard ciphers
Multi-factor authentication required for all production system access and all administrative interfaces
Role-based access controls with least-privilege defaults; quarterly access reviews
Centralized logging, real-time alerting, and 24x7 on-call rotation
Vulnerability scanning, dependency monitoring, and timely patching
Independent penetration testing on a regular cadence
Documented incident response procedures with named breach-notification responsibilities
Background checks for employees with access to customer data, where permitted by law
Mandatory annual security training for all personnel
Vendor security review for any subprocessor with access to customer data
Reporting a vulnerability
If you believe you have found a security issue in any DuoCircle product, email [email protected]. We acknowledge reports within one business day and most often the same day. We do not require a CVE pre-assignment; we just want the details. We do not pursue legal action against good-faith security research that follows responsible disclosure norms (no destructive testing, no exfiltration of customer data, reasonable embargo on public disclosure, and a real way to reach you).
Compliance scope statement
DuoCircle’s services are designed for general commercial email use. We are not a HIPAA covered entity nor a HIPAA Business Associate by default. We do not currently offer FedRAMP-authorized cloud services. PCI DSS Level 1 cardholder data must not be transmitted in mail bodies through services not specifically provisioned for that data class. Customers with regulatory obligations beyond general commercial use should contact [email protected] before deployment so we can confirm fit.
Earlier versions
The document previously published as the DuoCircle SOC 2 Reports page is superseded by this Security and Compliance statement.
Questions about this document?
DuoCircle LLC, 5965 Village Way, Suite 105-234, San Diego, CA 92130. Email [email protected] for legal inquiries, or [email protected] for everything else.
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