研究基于变压器和CNN-BiLSTM在物联网中的入侵检测方法
Chunhui Zhang1, Jian Li1, Naile Wang1
1School of Cyberspace Security, Beijing University of Post and Telecommunications, Beijing 100876, China.
Sensors (Basel, Switzerland)
|May 14, 2025
概括
本研究介绍了物联网 (IoT) 网络的混合入侵检测模型,显著提高了异常流量检测的准确性. 先进的模型克服了复杂攻击和不平衡数据的挑战,增强了物联网安全性.
科学领域:
- 计算机科学 计算机科学
- 网络安全 网络安全
- 网络工程 网络工程
背景情况:
- 物联网 (IoT) 设备越来越容易受到网络攻击,原因是复杂的网络和开放的通信.
- 传统的入侵检测系统 (IDS) 与各种物联网攻击矢量,数据不平衡和功能提取作斗争.
- 准确检测异常网络流量对于物联网安全至关重要.
研究的目的:
- 为物联网环境开发一个强大的入侵检测系统.
- 解决单个模型在捕获复杂物联网流量特征和长序列依赖性方面的局限性.
- 改进少数类攻击样本的检测,处理特征冗余.
主要方法:
- 一种混合CNN-BiLSTM-变压器模型被提议用于全面的特征提取和依赖性分析.
- 边界线-SMOTE被用来缓解数据类不平衡问题.
- 使用了结合XGBoost,Chi-square (Chi2) 和相互信息的特征选择策略.
主要成果:
- 拟议的混合模型在CIC-IDS 2017数据集上实现了99.80%的准确性.
- 该模型在BoT-IoT数据集上获得了97.95%的准确性.
- 实验结果表明,与传统入侵检测方法相比,其性能优越.
结论:
- 混合CNN-BiLSTM-变压器模型有效地检测物联网环境中的异常流量.
- 数据平衡和特征选择的整合提高了检测准确性和效率.
- 拟议的方法在物联网网络安全方面取得了重大进展.
相关概念视频
01:23Instrument Transformers
63
Instrument transformers, comprising voltage transformers (VTs) and current transformers (CTs), play crucial roles in power substations by providing isolated replicas of current or voltage for measurement and protection purposes. Voltage transformers reduce the primary voltage to levels suitable for relay operation and measurement, while current transformers scale down the primary current. The primary winding of a current transformer often consists of a single turn, achieved by threading the...
63
01:27Transformers in Distribution System
98
Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
98
01:16Types Of Transformers
936
Transformers can provide desired voltages to a circuit by modifying the number of turns in the secondary windings.
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
936
01:26Transformers
1.0K
A device that transforms voltages from one value to another using induction is called a transformer. A transformer consists of two separate coils, or windings, wrapped around the same soft iron core. However, they are electrically insulated from each other.
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
1.0K