Network infrastructure devices are the components of a network that transport communications needed for data, applications, services, and multimedia. Configure basic device settings in part 1, you will set up the network topology and configure basic settings, such as the interface ip addresses, device access, and passwords on the router. The network security includes assurance of the limited access to sensitive information, the protection from unauthorized access, risks and potential security threats, and enhancement of network performance. Effective network security defeats a variety of threats from entering or spreading on a network. Network security includes the detection and prevention of unauthorized access to both the network elements and those devices attached to the network. Clearly the first step in securing iot devices is making sure that they are seen and acknowledged as existing on the network. Widespread adoption of these strategic principles and the associated suggested practices would dramatically improve the security posture of iot. Management sessions to network devices provide the ability to view and collect information about a device and its operations. These devices are ideal targets for malicious cyber actors because most or all. To minimize the risks, once identified on the network, there should be. Attach the devices shown in the topology and cable as necessary. Cisco best practices to harden devices against cyber attacks. It is a secure network architecture that extends security across the.
Controlling which devices can advertise routes for your network is an important security concern. Upon completion of this section, you should be able to. Securing your wireless network ftc consumer information. From there, these devices can then connect to the internet, as well as any other devices on your home network. Most households now run networks of devices linked to the internet, including computers, gaming systems, tvs, tablets, smartphones and wearable devices that access wireless networks. This can also prevent problems from devices broadcasting or babbling and effecting other devices. Strategic principles for securing the internet of things iot. The remainder of this chapter covers some basic techniques that should be a part of any basic router or switch configuration, regardless of its role or. If this information is disclosed to a malicious user, the device can become the target of an attack, compromised, and used to perform additional attacks. Guidelines for securing wireless local area networks wlans. Abstract pdf 211k empirical analysis of rate limiting mechanisms.
Guidelines for securing wireless local area networks wlans vi executive summary a wireless local area network wlan is a group of wireless networking devices within a limited. The prompt for user exec mode is the name of the device followed by an angle bracket. Mar 23, 2020 download chapter 2 securing network devices. Lab securing network devices topology addressing table device interface ip address subnet mask default gateway r1 g01 192. Areas of router security physical security place router in a secured, locked room install an uninterruptible power supply operating system security use the latest stable version that meets network requirements keep a copy of the os and configuration file as a backup router hardening secure administrative control. This chapter will focus on using routers and switches to increase the security of the network as well as. This means securing your wireless network is a key part of protecting your home. Attach the devices as shown in the topology and cable as necessary. Configure basic device settings in part 1, you will set up the network topology and configure basic settings, such as the interface ip addresses, device access, and passwords on the devices. But the security of those network devices is very important since one might be at some potential risk of data theft and the data alteration which can be dear to someone. This includes end user devices, servers, and network devices, such as routers and switches. Why is it so easy to hack ip cameras and iot devices. Trustsec is embedded technology in cisco switches, routers, wireless, and security devices. Keywords state model diagrams, network security, network encryption, diagram.
Topology addressing table device interface ip address subnet mask default gateway r1 g01 192. Configure basic security measures on the router part 3. A protected home network means your family can use the internet more safely and securely. Strategic principles for securing iot the principles set forth below are designed to improve security of iot across the full range of design, manufacturing, and deployment activities. A research on exposed medical systems and supply chain risks cyberattacks against the healthcare industry. A quick primer global life expectancy has been steadily increasing,9 and much of it can be attributed to advances in medicine and healthcare technology. Help protect yourself and your family by observing some basic guidelines and implementing the following mitigations on your home network. To keep your visitors from infecting your network with malware, many routers. Nac products enforce security policy by granting only security policycompliant devices access to network assets. For instance, you may set up one network for your computers, printers, and other computing devices, a second network for internet connectedappliances, and a third network for mobile devices. In this lab, you will configure the network devices in the topology to accept ssh sessions for remote management. Anyone with privileged access to a device has the capability for. Configure basic security measures on the switch background scenario it is recommended that all network devices be configured with at least a minimum set of best practice security commands.
Ansible gathers facts from managed devices scripts executed on managed devices data injection opportunity custom scripts included in fact gathering more data injection returned data is not properly quotedparsed privilege escalation not applicable to most network devices no. Vlans segregate your network based upon ports, protocols, mac addresses, port switches, etc. Jun 12, 2019 securing network services pdf complete book 10. Also this paper was conducted the network security weakness in router and firewall network devices, type of threats andresponses to those threats, and the. You should consider all paths the data travels, and assess the threats that impinge on each path and node. Securing network equipment with trust and integrity.
The authentication, authorization, and accounting aaa framework is vital to securing network devices. Securing your internet of things devices july 2017 introduction. Network connected devices, systems, and services are also increasingly integrated with and relied upon by our nations critical infrastructure, leading to a national dependency. The directive requires that an active screening capability for wireless devices be implemented on every dod network. Network security entails protecting the usability, reliability, integrity, and safety of network and data.
These devices include routers, firewalls, switches, servers, loadbalancers, intrusion detection systems, domain name systems, and storage area networks. Home network devices include modems, routers, and wireless. Information flows on a dedicated management network on which no production traffic resides. Assurance of network security is one of the most important moments for safe and correct working of the computer systems and networks.
Electrical and computer engineering, carnegie mellon university. This isolates your cameras from your printers, e mail servers, workstations, etc. Best practices for keeping your home network secure1 dont be a victim. One of the fundamental requirements in protecting the network is to secure the administrative access to any network device. Protecting the network and its traffic from inappropriate access or modification is the essence of network security.
The aaa framework provides authentication of management sessions, the capability to limit users to specific administratordefined commands, and the option of logging all commands entered by all users. This includes everything from preventing unauthorized switch port access to detecting and preventing unauthorized network traffic from both inside and outside the corporate network. Privileged exec mode privileged exec mode is password protected, and allows the use of all exec mode commands available on the system. Hubs are simple network devices, and their simplicity is reflected in their low cost. You will also use the ios cli to configure common, basic best practice security measures.
Rogue or malicious routes in the network can disrupt normal communications or cause confidential information to be rerouted to unauthorized parties. Best practices for keeping your home network secure. Securing network devices for ccna security 210260 iins. With cisco devices, administrative access to the device could allow someone to reconfigure features or even possibly use that device to launch attempts on other devices. In part 1, you will set up the network topology and configure basic settings, such as the interface ip addresses, device access, and passwords on the devices. In it, youll learn important techniques used to mitigate these threats, including control plane protection cppr and routing protocol authentication. Unless appropriate precautions are taken, malware can. Most households now run networks of devices linked to the internet, including computers, gaming systems, tvs, tablets, smartphones and. Perimeter devices cannot hide 7 perimeter devices cannot hide perimeter devices, be definition, are a barrier between security levels. Ziad zubidah ccnp security it security officer national.
The different devices in your house connect to your wireless network via these signals. At the edge of the network, devices including smartphones, cars, and robots will send and receive data over radio waves at 5g frequencies by connecting to a new. After securing one can ensure some good performance and can hence improve the productivity of his company. Red font color or gray highlights indicate text that appears in the instructor copy only. Cynthia wong, stan bielski, ahren studer, chenxi wang. They handle access authentication and authorization functions and can even control the data that specific users access, based on their ability to recognize users, their devices and their network roles. Pdf design and implementation of a network security model for. Securing network infrastructure devices cisa uscert. Design and implementation of selfsecuring network interface applications. Pdf chapter 2 securing network devices free download pdf.
The characteristics of the iot ecosystem also result in multiple opportunities for malicious actors to manipulate the flow of information to and from network. Some are pretty simple, while others are more elaborate. Iot devices in the enterprise could include timeattendance clocks, smart tvs, temperature gauges, coffee makers and the above mentioned ip cameras. In july 2016, the office of the director of national intelligence issued guidance requiring wids capabilities for continuous monitoring. Information flows across an enterprise production network, the internet, or both using regular data channels. The rest of the chapters in this book cover technologies and processes to secure the corporate network. It is recommended that all network devices be configured with at least a minimum set of best practice security commands. This course, securing network devices for ccna security 210260 iins, is one in a series of courses that meet all the objectives of the ccna security 210260 iins exam. Tcg network equipment guidance tcg guidance for securing network equipment document developed by tcg members including many involved in networking juniper, cisco, huawei, hpe and others intended to help equipment vendors use tcg technology to secure network infrastructure includes use cases, building blocks, and. Device interface ip address subnet mask default gateway. Nov 15, 2016 securing the internet of things network connected devices, systems, and services are also increasingly integrated with and relied upon by our nations critical infrastructure, leading to a national dependency. Guidelines for securing wireless local area networks wlans vi executive summary a wireless local area network wlan is a group of wireless networking devices within a limited geographic area, such as an office building, that exchange data through radio communications.
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