Minimize Risk - Maximize Control

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Email, calendar, and contact data often include confidential and regulated information. But when mobile users or external systems need access, Exchange is typically exposed to the internet—or proxied through risky third-party solutions. This creates serious vulnerabilities.

CB Super Secure Exchange Server Sync solves this by eliminating direct access. It allows content to be synchronized across networks without opening your Exchange ports or creating any external attack surface. Data leaves your environment only through validated, filtered, and secured pathways—ensuring your compliance with regulations like GDPR, HIPAA, ISO 27001, and internal security policies.

Secure External Access for Sensitive Environments

CB Super Secure Exchange Server Sync is purpose-built for environments where exposing internal Exchange infrastructure is non-negotiable. It enables secure synchronization of sensitive mailbox content—emails, calendar entries, contacts, tasks—between internal and external systems without opening ports, exposing Exchange Web Services, or compromising your security perimeter.

Executive Mobile Access

Allows C‑suite and privileged users to access redacted calendar entries, emails, or contacts securely on mobile devices—without exposing your Exchange infrastructure.

Data‑Diode & Relay Integration

Supports deployment with one‑way hardware diodes or secure relay designs—ensuring content always flows outward only, under tight policy control.

Cross-Network Synchronization

Enables synchronized mailbox data flow across segmented environments (e.g., classified ⇄ unclassified zones), with enforced filtering and audit logs for every exchange.

Audit-Ready Compliance

Maintains full traceability of sync events for internal review or regulator scrutiny—supporting GDPR, HIPAA, ISO 27001, and internal governance models.

Built to Keep Exchange Behind the Firewall

CB Super Secure Exchange Sync isolates internal Exchange servers from external systems through a dual-instance relay architecture.

The solution can be deployed across two separate networks (e.g., DMZ and intranet, or air-gapped environments), with one-way synchronization and optional integration with data diodes.

The relay receives validated, filtered data from the internal Exchange via CB Exchange Server Sync, then safely delivers it to the external system. No inbound connections are required. No open Exchange services are exposed.

thumbnail cbSync what sets it apart

Security Without Compromise

Secure & Resilient Operations

Zero Exposure Architecture

Internal Exchange servers remain inaccessible to external systems—no open EWS, SMTP, or MAPI ports.

Flexible One-Way 
or Two-Way Sync

Validated One-Way Sync

Flexible one‑way or two‑way synchronization, with enforced policy-based controls on what content moves across environments.

Content Filtering & Redaction

Content Filtering & Redaction

Integrate the Exchange/Outlook Data Filter add-on to Redact sensitive information—redact subjects, attachments, and shorten body text

Comprehensive Data Synchronization

Universal Mailbox Support

Secure synchronization for emails, calendar entries, contacts, and tasks—with filtering per user, group, or department.

Secure Relay & Data‑Diode Compatible

Secure Relay & Data‑Diode Compatible

Built to support hardened data relay setups and one-way diode communication for high-assurance deployments.

Comprehensive Auditing & Compliance

Comprehensive Auditing & Compliance

Full logs of sync activity ensure traceability for compliance reviews, audits, and forensic analysis.

Start Your Secure Sync Journey Today