Tutorial
Physical Layer
Data Link layer
Network Layer
Routing Algorithm
Transport Layer
Application Layer
Network Security
Misc
- Router
- OSI vs TCP/IP
- TCP vs UDP
- Transmission Control Protocol
- TCP port
- IPv4 vs IPv6
- ARP Packet Format
- ARP Table
- Working of ARP
- FTP Client
- FTP Commands
- FTP Server
- I2C Protocol
- Sliding Window Protocol
- SPI Protocol
- IP
- ARP Commands
- ARP
- Address Resolution Protocol
- ARP and its types
- TCP Retransmission
- CAN protocol
- HTTP Status Codes
- HTTP vs HTTPS
- RIP Protocol
- UDP Protocol
- ICMP Protocol
- MQTT protocol
- OSPF Protocol
- Stop and Wait Protocol
- IMAP Protocol
- POP Protocol
- CIFS
- DAS
- DIMM
- iSCSI
- NAS (Network Attached Storage)
- NFS
- NVMe
- SAN
- Border Gateway Protocol
- Go-Back-N ARQ
- RJ Cable
- Difference between Connection-Oriented and Connectionless Service
- CDMA vs. GSM
- What is MAC Address
- Modem vs. Router
- Switch Vs. Router
- USB 2.0 vs 3.0
- Difference between CSMA CA and CSMA CD
- Multiple access protocol- ALOHA, CSMA, CSMA/CA and CSMA/CD
- URI vs URL
- IMAP vs. POP3
- SSH Meaning| SSH Protocol
- UTP vs STP
- Status Code 400
- MIME Protocol
- IP address
- proxy server
- How to set up and use a proxy server
- network security
- WWW is based on which model
- Proxy Server List
- Fundamentals of Computer Networking
- IP Address Format and Table
- Bus topology and Ring topology
- Bus topology and Star topology
- Circuit Switching and Packet switching?
- Difference between star and ring topology
- Difference between Router and Bridge
- TCP Connection Termination
- Image Steganography
- Network Neutrality
- Onion Routing
- Adaptive security appliance (ASA) features
- Relabel-to-front Algorithm
- Types of Server Virtualization in Computer Network
- Access Lists (ACL)
- What is a proxy server and how does it work
- Digital Subscriber Line (DSL)
- Operating system based Virtualization
- Context based Access Control (CBAC)
- Cristian's Algorithm
- Service Set Identifier (SSID)
- Voice over Internet Protocol (VoIP)
- Challenge Response Authentication Mechanism (CRAM)
- Extended Access List
- Li-fi vs. Wi-fi
- Reflexive Access List
- Synchronous Optical Network (SONET)
- Wifi protected access (WPA)
- Wifi Protected Setup (WPS)
- Standard Access List
- Time Access List
- What is 3D Internet
- 4G Mobile Communication Technology
- Types of Wireless Transmission Media
- Best Computer Networking Courses
- Data Representation
- Network Criteria
- Classful vs Classless addressing
- Difference between BOOTP and RARP in Computer Networking
- What is AGP (Accelerated Graphics Port)
- Advantages and Disadvantages of Satellite Communication
- External IP Address
- Asynchronous Transfer Mode (ATM)
- Types of Authentication Protocols
- What is a CISCO Packet Tracer
- BOOTP work
- Subnetting in Computer Networks
- Mesh Topology Advantages and Disadvantages
- Ring Topology Advantages and Disadvantages
- Star Topology Advantages and Disadvantages
- Tree Topology Advantages and Disadvantages
- Zigbee Technology-The smart home protocol
- Network Layer in OSI Model
- Physical Layer in OSI Model
- Data Link Layer in OSI Model
- Internet explorer shortcut keys
- Network Layer Security | SSL Protocols
- Presentation Layer in OSI Model
- Session Layer in OSI Model
- SUBNET MASK
- Transport Layer Security | Secure Socket Layer (SSL) and SSL Architecture
- Functions, Advantages and Disadvantages of Network Layer
- Protocols in Noiseless and Noisy Channel
- Advantages and Disadvantages of Mesh Topology
- Cloud Networking - Managing and Optimizing Cloud-Based Networks
- Collision Domain and Broadcast Domain
- Count to Infinity Problem in Distance Vector Routing
- Difference Between Go-Back-N and Selective Repeat Protocol
- Difference between Stop and Wait, GoBackN, and Selective Repeat
- Network Function Virtualization (NFV): transforming Network Architecture with Virtualized Functions
- Network-Layer Security | IPSec Modes
- Next - Prev Network-Layer Security | IPSec Protocols and Services
- Ping vs Traceroute
- Software Defined Networking (SDN): Benefits and Challenges of Network Virtualization
- Software Defined Networking (SDN) vs. Network Function Virtualization (NFV)
- Virtual Circuits vs Datagram Networks
- BlueSmack Attack in Wireless Networks
- Bluesnarfing Attack in Wireless Networks
- Direct Sequence Spread Spectrum
- Warchalking in Wireless Networks
- WEP (Wired Equivalent Privacy)
- Wireless security encryption
- Wireless Security in an Enterprise
- Quantum Networking
- Network Automation
- Difference between MSS and MTU
- What is MTU
- Mesh Networks: A decentralized and Self-Organizing Approach to Networking
- What is Autonomous System
- What is MSS
- Cyber security & Software security
- Information security & Network security.
- Security Engineer & Security Architect
- Protection Methods for Network Security
- Trusted Systems in Network Security
- What are Authentication Tokens in Network security
- Cookies in Network Security
- Intruders in Network Security
- Network Security Toolkit (NST) in virtual box
- Pivoting-Moving Inside a Network
- Security Environment in Computer Networks
- Voice Biometric technique in Network Security
- Advantages and Disadvantages of Conventional Testing
- Difference between Kerberos and LDAP
- Cyber security and Information Security
- GraphQL Attacks and Security
- Application Layer in OSI Model
- Applications of Remote Sensing
- Seven Layers of IT Security
- What is Ad Hoc TCP
- What is Server Name Indication(SNI)
Trusted Systems in Network Security
In network systems, a trusted system is a computer system or network that has been designed, implemented, and tested to meet specific security requirements. Trusted systems are used to protect sensitive information, prevent unauthorized access, and ensure the integrity and availability of data and systems.
A trusted system is typically designed with a set of security features, such as access controls, authentication mechanisms, and encryption algorithms, that are carefully integrated to provide a comprehensive security solution. These security features are often implemented using hardware, software, or a combination of both, and are rigorously tested to ensure they meet the security requirements of the system.
Trusted systems are often used in government, military, financial, and other high-security environments where the protection of sensitive information is critical. They are also used in commercial settings where the protection of intellectual property, trade secrets, and other confidential information is important.
Overall, a trusted system is one that can be relied upon to provide a high level of security and protection against various types of cyber threats, including malware, hacking, and other forms of cyber attacks.
In today's digital age, the security of computer systems and networks is more important than ever. Cyber threats are becoming increasingly sophisticated, and the consequences of a security breach can be severe, ranging from financial losses to reputational damage and legal liabilities. To address these challenges, many organizations are turning to trusted systems as a way to protect their information and assets from unauthorized access and cyber attacks.
A trusted system is a computer system or network that has been designed, implemented, and tested to meet specific security requirements. These requirements are often driven by the need to protect sensitive information, prevent unauthorized access, and ensure the integrity and availability of data and systems.
Trusted systems are designed with a set of security principles and practices that are used to build a system that can be trusted to operate securely. These principles include the following:
- Least Privilege: Trusted systems are designed to provide users with the minimum level of access necessary to perform their tasks. This principle ensures that users cannot accidentally or intentionally access information or resources they are not authorized to use.
- Defense in Depth: Trusted systems implement multiple layers of security controls to protect against threats. This principle involves using a combination of physical, technical, and administrative controls to create a comprehensive security solution.
- Integrity: Trusted systems ensure that data and systems are not modified or altered in an unauthorized manner. This principle ensures that data remains accurate and trustworthy over time.
- Confidentiality: Trusted systems protect sensitive information from unauthorized access. This principle ensures that sensitive data remains private and confidential.
- Availability: Trusted systems ensure that systems and data are available to authorized users when needed. This principle ensures that critical information and systems are accessible and operational at all times.
To meet these objectives, trustworthy systems are often constructed with a set of security features such as access restrictions, encryption, auditing, intrusion detection and prevention, and incident response. These elements are implemented utilizing a combination of hardware and software technologies to produce a complete security solution that can guard against a wide range of cyber threats.
Trusted systems are frequently employed in government, military, financial, and other high-security situations where the safeguarding of sensitive information is vital. They are also utilized in commercial contexts where intellectual property, trade secrets, and other private information must be protected.
Trusted systems are built with a variety of technologies and techniques to ensure their security. These include:
- Hardware-based security: Trusted systems often rely on specialized hardware, such as secure processors, to provide a secure environment for critical operations. These hardware-based solutions can provide a high level of security and are often used in environments where security is paramount.
- Virtualization: Virtualization is a technique that is often used in trusted systems to create multiple virtual machines running on a single physical machine. Each virtual machine can be isolated from the others, providing an additional layer of security.
- Multi-factor authentication: Trusted systems often use multi-factor authentication to verify the identity of users. This involves requiring users to provide more than one form of identification, such as a password and a smart card, before granting access.
- Encryption: Trusted systems often use encryption to protect sensitive data. Encryption involves converting data into a coded format that can only be decoded using a specific key.
- Auditing: Trusted systems often use auditing to track and monitor system activity. Auditing can help detect and prevent security breaches by identifying unusual or suspicious behavior.
Finally, trustworthy systems are an essential component of network security. They offer a high degree of security and protection against a variety of cyber risks, such as malware, hacking, and other sorts of cyber assaults. Trusted systems are built using a set of security principles and practices that allow them to be trusted to function safely. The concepts of least privilege, defense in depth, honesty, secrecy, and availability are among them.