SecureStrings is a versatile USSD platform designed for mobile network providers (MNOs) and service providers. It enables seamless, secure interactions while capturing significant revenue across various streams.
Integrated with advanced security features like encrypted transactions and secure access controls, SecureStrings minimizes vulnerabilities and ensures safe transactions.
With a range of adaptable use cases, it simplifies customer interactions, optimizes operations, and enhances engagement.
Use cases

Mobile banking
SecureStrings provides a secure, accessible platform for mobile banking, empowering customers to manage finances on the go. Features include checking balances, paying bills, and transferring funds. Its advanced security safeguards sensitive financial data, ensuring compliance in regulated environments.

Customer self-care
Empower customers with self-service options via simple USSD menus. Users can check balances, update personal information, and activate services without customer support, improving satisfaction and reducing operational costs.

Interactive marketing
Directly engage customers with interactive campaigns, promotions, and surveys. SecureStrings enables real-time campaign adjustments and provides analytics for customer insights, helping MNOs optimize marketing strategies and target outreach effectively.

Device configuration and alerts
SecureStrings streamlines device setup and enables notifications for updates, billing reminders, or promotions. This helps MNOs reduce churn, keeping customers informed and engaged.

Airtime top-ups
SecureStrings makes it simple for customers to quickly add airtime to their mobile accounts. The platform supports fast, reliable transactions that let users recharge their balances within seconds, so they experience minimal interruption and stay connected whenever needed.

Balance Inquiries
Customers can check their airtime or data balances directly through user-friendly USSD menus. This real-time access to account information helps users stay aware of their usage, making it easier to manage expenses and plan ahead. The process is intuitive, so even those with basic mobile devices can monitor their account status with ease.
Case Study: Revenue impact for leading African MNO
Our solution has driven substantial value for a major African MNO by supporting:




Why Choose SecureStrings by M.M.?

Advanced security for banking integrations
SecureStrings is built with robust security, including masked interactions, secure access protocols, and compliance with industry standards, ideal for secure financial operations and mobile transactions.

Integrated campaign management
Design, launch, and monitor campaigns directly within the platform to streamline customer engagement with personalized, data-driven outreach.

Customizable data insights
Real-time, customizable reports help MNOs track performance, optimize offerings, and respond to customer needs effectively, supporting strategic, customer-centric decisions.

Flexible pricing options
SecureStrings offers both fixed-cost and transaction-per-second (TPS) pricing models. Fixed-cost pricing allows for predictable budget management, while TPS pricing accommodates high-traffic needs, enabling MNOs to select the model that best aligns with their operational and growth strategies.

Scalable performance
Built on a flexible, distributed system, SecureStrings grows with your needs. It handles increasing volumes of USSD sessions effortlessly, so as your traffic rises the platform remains reliable without demanding extra hardware investments. Your system stays responsive during peak periods, giving you peace of mind as your user base expands.

Continuous availability
SecureStrings offers built-in redundancy with active/active or active/standby configurations. If one component encounters issues, another takes over immediately, keeping downtime out of the picture. Hot-code upgrades let you apply fixes and improvements on the fly, so your service stays uninterrupted and dependable.

Seamless integration
The platform connects easily with your existing business systems and supports charging solutions like Nokia SurePay, Alcatel ICC, and Huawei CBS. Data flows naturally between SecureStrings and your operations, which simplifies revenue collection and daily management. It fits right into your ecosystem without the hassle of complex setups or compatibility issues.