Gsma Fs.38 2021 📢

Addresses risks associated with the interception or exposure of subscriber identity and metadata within SIP signaling.

FS.38 provides actionable guidance for and equipment vendors: gsma fs.38

Outlines scenarios where SIP vulnerabilities are exploited for financial gain, such as toll fraud or subscription fraud. Technical Recommendations Addresses risks associated with the interception or exposure

Provides the overarching "Baseline Security Controls" for the entire mobile ecosystem. gsma fs.38