Gsma Fs.38 Jun 2026

FS.38 is your standard of choice if your IoT device uses a SIM card (or eSIM) and connects via a mobile network. For purely Wi-Fi devices, ETSI EN 303 645 may be more appropriate.

: Outlines potential SIP-based attacks including fraud, privacy breaches, and Denial of Service (DoS) attacks. gsma fs.38

: It provides a governance-led framework for CSPs to conduct thorough end-to-end penetration testing on both enterprise and consumer Unified Communications (UC) networks, specifically for IMS-based systems. 🚀 Strategic Benefits Interoperability : It provides a governance-led framework for CSPs

GSMA FS.38 is a critical security document titled . It provides guidelines for securing Voice over LTE and Video over LTE services, specifically focusing on the interfaces and protocols used when SIP-enabled devices access mobile networks. 🛡️ Key Focus: Securing the Voice of the Future 🛡️ Key Focus: Securing the Voice of the

Bypass the SBC perimeter using corrupted signaling traffic to manipulate internal core infrastructure. Architectural Scope of FS.38

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| # | Control | Description | |---|---|---| | 12 | | A documented process to wipe all sensitive data (keys, credentials, logs) from the device at end-of-life or repurposing. | | 13 | Vulnerability Disclosure & Response | The vendor must provide a public point of contact for reporting vulnerabilities and a timeline for patching. | | 14 | Software Bill of Materials (SBOM) | Maintain an inventory of all open-source and third-party components to track known vulnerabilities (CVEs). |