Network Attacks & Isolation in IoT PDF

Network Attacks , Architecture and Isolation in the Internet of Things (IoT) The Internet of Things (IoT) presents a unique set of challenges for network security due to the increasing number of connected devices, many of which have limited secur...

Network Attacks , Architecture and Isolation in the Internet of Things (IoT) The Internet of Things (IoT) presents a unique set of challenges for network security due to the increasing number of connected devices, many of which have limited security features. This makes them vulnerable to various network attacks. Network attacks exploit vulnerabilities in network infrastructure and connected devices to gain unauthorized access, steal data, or disrupt operations. Common attacks targeting IoT devices include: Denial-of-service (DoS) attacks: Overwhelm a device or network with traffic, making it unavailable to legitimate users. Man-in-the-middle (MitM) attacks: Intercept communication between devices to steal data or inject malicious code. Malware infections: Spread malicious software to compromise devices and gain control over their functionality. Network Isolation: A Crucial Defense Network isolation is a security strategy that separates devices and networks to limit the impact of a compromise. This helps to prevent attackers from spreading laterally across a network and accessing sensitive data. Here are some key techniques for implementing network isolation in IoT: Virtual Local Area Networks (VLANs): Create separate virtual networks within a physical network, allowing for segmentation of devices based on their trust level. Demilitarized Zones (DMZs): Isolate devices that require direct internet access, such as web servers, from the internal network. Firewall rules: Restrict communication between devices based on specific criteria like IP addresses, ports, and protocols. Network Access Control (NAC): Enforces policies to ensure only authorized devices with appropriate security configurations can connect to the network.