JSON Meta Application Protocol — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
November 20, 2025
Last Seen
November 20, 2025

JSON Meta Application Protocol is a technology platform tracked across 2 threat clusters and 1 intelligence report mention on ThreatCluster. First observed November 20, 2025; most recent activity November 20, 2025.

Overview

JSON Meta Application Protocol (JMAP) is a modern, JSON-based protocol for metadata-rich application data exchange across services, notably used for email data synchronization. Its adoption shapes how data is transmitted and authenticated in client–server interactions, influencing the cybersecurity threat surface of mail and collaboration ecosystems.

Related Threat Clusters

  • Thunderbird 145 Introduces Native Microsoft Exchange Support

    Thunderbird has released version 145, which includes native support for Microsoft Exchange email through the Exchange Web Services (EWS) protocol. This update eliminates the need for third-party add-ons, allowing for…

    4 articles · Updated November 19, 2025
  • Thunderbird 145 Introduces Native Microsoft Exchange Support

    Thunderbird 145 has been released, providing full native support for Microsoft Exchange email via the Exchange Web Services (EWS) protocol. This update allows users in Microsoft Exchange environments to access their…

    4 articles · Updated November 21, 2025

Recent Intelligence Reports

  • Thunderbird 145 finally adds ‘native’ Exchange support — Theregister · November 20, 2025

CVSS v3.1 Breakdown