Insights, guides, and updates from the JoltSMS team
Security
Carrier lookups flag VoIP numbers, causing delayed or failed OAuth SMS verifications. Use real SIM numbers for reliable 2FA and account access.
Security
Compare SMS 2FA, authenticator apps, and passkeys - learn which to use: passkeys first, authenticator apps as backup, and SMS only as a last resort.
Security
Enabling 2FA alone won’t satisfy SOC 2 — establish formal 2FA policies, centralized authentication logs, RBAC, and offboarding to be audit-ready.
Security
Platforms block VoIP and disposable numbers to stop fraud; learn how detection works and why carrier-issued real-SIM numbers reduce verification failures.