GuardSec: A Multi-Modal Web Platform for Real-Time Digital Fraud Detection, Entity Verification, and Connection Security Analysis in the African Context

Original Abstract

Online fraud in Africa has reached epidemic scale, yet the few cybersecurity tools that exist are not available to ordinary citizens and are calibrated almost exclusively for SOCs and technically literate users operating on stable broadband connections. This mismatch is not incidental: it is the predictable outcome of a research culture that optimises for benchmark performance while systematically neglecting deployability, accessibility, and local threat context. This paper presents \textit{GuardSec}, a production-deployed, openly accessible web platform for real-time multi-modal digital threat verification, designed from the ground up for the African user context. The system enables any user with a browser to assess the legitimacy of URLs, websites, phone numbers, email addresses, and business entities in under five seconds, without registration, without an API key, and without cybersecurity expertise. A distinctive original component of GuardSec is the \textit{Mon Empreinte} (My Footprint) module, which performs a real-time security audit of the user's own connection and digital exposure: it analyses the visitor's IP address, geolocation, ISP identity, connection type, device fingerprint, browser configuration, and a set of twelve security indicators spanning network integrity, tracking exposure, and anonymisation status. This self-diagnostic capability transforms GuardSec from a passive verification tool into an active instrument of digital self-awareness, enabling users to understand not only whether an external entity is safe, but whether their own connection is compromised, tracked, or exposed. The platform additionally embeds \textit{Gilda}, a context-aware conversational security assistant that answers user questions about digital threats in plain language and issues personalised security recommendations on demand.