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Zscaler to End SMS OTP Support on August 7, 2026: A Guide to Number Reassignment for SIM Swap Attack Protection
As Zscaler ends SMS OTP support and NIST restricts SMS-based authentication, this guide explains how to protect against SIM swap attacks by reassigning phone numbers and migrating to more secure methods.
How to Purchase Business Numbers After FCC's Proposed Rules: A Practical Checklist for Supplier Verification and Internal Ledger
A practical guide for businesses on verifying voice service providers and building internal number management ledgers in response to the FCC's 2026 KYC proposed rules.
After NIST Classified SMS OTP as a 'Restricted Authenticator': How to Reassess 2FA SMS Verification Risks and Isolate Your Number
Explore NIST's new classification of SMS OTP as a restricted authenticator, understand the dual-layer risks of SMS 2FA, and learn how to reassign and isolate your phone numbers to reduce exposure.
eSIM vs Virtual Numbers: 2026 Guide to Separating Data and Identity Layers for Cross-Border Operations
Understand the fundamental difference between eSIM (data connectivity) and virtual numbers (identity verification) and learn how to configure them separately for successful cross-border business operations in 2026.
FCC 2026 KYC Rules Tighten: How to Choose a Country for Virtual Numbers?
With the FCC's proposed 2026 KYC rules targeting source numbers, choosing a country for virtual numbers must now prioritize compliance, traceability, and business alignment over cost.
