Abstract
Cyberattacks are increasing in both number and severity for private, corporate, and governmental bodies. To prevent these attacks, many intrusion detection systems and intrusion prevention systems provide computer security by monitoring network packets and auditing system records. However, most of these systems only monitor network packets rather than the computer itself, so physical intrusion is also an important security issue. Furthermore, with the rapid progress of the Internet of Things (IoT) technology, security problems of IoT devices are also increasing. Many IoT devices can be disassembled for decompilation, resulting in the theft of sensitive data. To prevent this, physical intrusion detection systems of the IoT should be considered. We here propose a physical security system that can protect data from unauthorized access when the computer chassis is opened or tampered with. Sensor switches monitor the chassis status at all times and upload event logs to a cloud server for remote monitoring. If the system finds that the computer has an abnormal condition, it takes protective measures and notifies the administrator. This system can be extended to IoT devices to protect their data from theft.
Highlights
At run-time, physicallysecure secureprotection protection system (PSPS) starts with a computer with sensor switches broken by an an attacker, attacker, which is classified into physical intrusion types
We propose a security system to protect against physical computer intrusion, in contrast to previous papers that focus on network intrusion
Through the three sensor switches, this system can detect most of the behaviors used to enter the computer and has effective corresponding measures to prevent the theft of sensitive data
Summary
Many computers are affected by malware each day, and an increasing number of intrusion detection systems (IDS) target malicious activity of networks. Security Onion [2] provides free tools that can monitor network packages and check network security, while Suricata [3] designs network-based intrusion detection systems (NIDS) that provide real-time intrusion detection. Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affil-
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