: Security measures for signaling that crosses between different mobile operators. Fraud Mitigation
Compliance with is not a "self-certify" checkbox. It requires a formal assessment by an authorized GSMA Security Assessment Lab . These are independent, accredited testing facilities. gsma fs.38
: Ensuring the integrity of signaling to prevent malicious rerouting. Active Defense Strategies : Security measures for signaling that crosses between
: While FS.38 recommends using encryption (like TLS) for SIP traffic, it warns that encryption alone does not stop all threats, such as insider attacks or attacks hidden within encrypted tunnels. gsma fs.38
