RCS for Business offers a modernized, verified, branded, and secure messaging experience compared to traditional SMS. Here is a clear overview of how RCS secures messages and protects business-to-consumer communications.
Data Encryption
RCS for Business message are encrypted in transit and at rest, but not end-to-end. RCS employs multi-layered encryption to protect message data during transmission and storage:
- Encryption in Transit: Messages sent via RCS are encrypted while traveling across network boundaries—specifically between the end-user’s device (both Android and iOS), Google’s servers, and messaging platforms (such as Sinch).
- Encryption at Rest: Messages stored temporarily on server infrastructure (like Google’s servers) are encrypted while resting on the disk.
- On-Device Storage: Messages stored locally on the recipient's phone rely on the device’s native operating system security (for example, device passcode, storage encryption).
Business Verification & Fraud Prevention
Unlike standard SMS, which is vulnerable to spoofing and "smishing" (SMS phishing), RCS for Business introduces strict identity verification features:
| Security Feature | Benefit |
| Verified Sender Identity | Businesses undergo carrier and partner verification before sending messages, making it harder for scammers to impersonate trusted brands. |
| Branded Profile | Verified business profiles display company logos, brand colors, and official contact information directly within the messaging interface. |
| Trust Badges | Visual verification badges confirm to the recipient that the message originated from an authenticated business entity. |
Summary
By combining in-transit and at-rest encryption with verified business identities, RCS significantly reduces the risk of phishing attacks, protects sensitive interaction data, and provides consumers with a trusted messaging channel.
Read the Sinch Blog post for the latest RCS Security information.
For more information on RCS, visit the Sinch RCS product page.
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