M.S., S. and Abubakar Ibrahim, A. 2026. SSL/TLS Certificate Validation Tool for Pre-Authentication Captive Portals: Certificate Validation in Captive Portals. International Journal on Perceptive and Cognitive Computing. 12, 1 (Jan. 2026), 26–33. DOI:https://doi.org/10.31436/ijpcc.v12i1.649.