Hybrid Machine Learning Model for Detecting Bangla Smishing Text Using BERT and Character-Level CNN

Fuente: arXiv
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Autori principali: Tanbhir, Gazi, Shahriyar, Md. Farhan, Shahed, Khandker, Chy, Abdullah Md Raihan, Adnan, Md Al
Natura: Preprint
Pubblicazione: 2025
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author Tanbhir, Gazi
Shahriyar, Md. Farhan
Shahed, Khandker
Chy, Abdullah Md Raihan
Adnan, Md Al
author_facet Tanbhir, Gazi
Shahriyar, Md. Farhan
Shahed, Khandker
Chy, Abdullah Md Raihan
Adnan, Md Al
contents Smishing is a social engineering attack using SMS containing malicious content to deceive individuals into disclosing sensitive information or transferring money to cybercriminals. Smishing attacks have surged by 328%, posing a major threat to mobile users, with losses exceeding \$54.2 million in 2019. Despite its growing prevalence, the issue remains significantly under-addressed. This paper presents a novel hybrid machine learning model for detecting Bangla smishing texts, combining Bidirectional Encoder Representations from Transformers (BERT) with Convolutional Neural Networks (CNNs) for enhanced character-level analysis. Our model addresses multi-class classification by distinguishing between Normal, Promotional, and Smishing SMS. Unlike traditional binary classification methods, our approach integrates BERT's contextual embeddings with CNN's character-level features, improving detection accuracy. Enhanced by an attention mechanism, the model effectively prioritizes crucial text segments. Our model achieves 98.47% accuracy, outperforming traditional classifiers, with high precision and recall in Smishing detection, and strong performance across all categories.
format Preprint
id arxiv_https___arxiv_org_abs_2502_01518
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Hybrid Machine Learning Model for Detecting Bangla Smishing Text Using BERT and Character-Level CNN
Tanbhir, Gazi
Shahriyar, Md. Farhan
Shahed, Khandker
Chy, Abdullah Md Raihan
Adnan, Md Al
Computation and Language
Machine Learning
Social and Information Networks
Smishing is a social engineering attack using SMS containing malicious content to deceive individuals into disclosing sensitive information or transferring money to cybercriminals. Smishing attacks have surged by 328%, posing a major threat to mobile users, with losses exceeding \$54.2 million in 2019. Despite its growing prevalence, the issue remains significantly under-addressed. This paper presents a novel hybrid machine learning model for detecting Bangla smishing texts, combining Bidirectional Encoder Representations from Transformers (BERT) with Convolutional Neural Networks (CNNs) for enhanced character-level analysis. Our model addresses multi-class classification by distinguishing between Normal, Promotional, and Smishing SMS. Unlike traditional binary classification methods, our approach integrates BERT's contextual embeddings with CNN's character-level features, improving detection accuracy. Enhanced by an attention mechanism, the model effectively prioritizes crucial text segments. Our model achieves 98.47% accuracy, outperforming traditional classifiers, with high precision and recall in Smishing detection, and strong performance across all categories.
title Hybrid Machine Learning Model for Detecting Bangla Smishing Text Using BERT and Character-Level CNN
topic Computation and Language
Machine Learning
Social and Information Networks
url https://arxiv.org/abs/2502.01518