CASB

CASB (Cloud Access Security Broker) is a security technology used to control access to cloud services, increase security, and ensure compliance. CASBs monitor and manage traffic between employees, devices, and applications of companies and cloud-based services. This ensures that both corporate and personal cloud services are used securely and in a controlled manner.

The main features of CASB are:

Security and Threat Detection: CASBs ensure that security policies are enforced by controlling access to cloud services. At the same time, they monitor and detect security threats that may occur in the cloud environment. This is critical to preventing data breaches and cyberattacks.

Data Loss Prevention (DLP): CASBs monitor data transmitted to cloud-based applications and storage services and prevent sensitive information from being accessed or shared by unauthorized persons. This protects the security of confidential data and sensitive information.

Access Control and Authentication: CASBs provide user authentication and access control, ensuring that the right people have access to the right cloud resources. This makes it easier to implement identity-based security policies.

Compliance and Auditing: CASBs help companies meet legal and compliance requirements. By ensuring that specific security standards are implemented, companies are able to meet data protection and privacy requirements.

Usage Analytics and Reporting: CASBs identify anomalous activities and vulnerabilities by monitoring the usage of cloud services. They also provide detailed reports and analytics, helping companies make informed decisions about cloud security.

CASBs are an important security solution in today’s business world where cloud services are becoming more widespread. Companies are increasingly turning to CASBs to ensure that their employees use cloud resources securely and to protect sensitive data. Therefore, CASBs are a critical component of cloud security strategies..

ZTNA

ZTNA (Zero Trust Network Access) is a security model and technology used to control network access and provide security. Unlike traditional network security approaches, ZTNA is based on the principle of “trust nothing, verify everything”. This approach ensures that access requests are continuously verified based on factors such as user identity, device status, and context.

Key features and advantages of ZTNA are as follows:

Identity-Based Access: ZTNA allows users to access only authorized resources after verifying their identity. Authentication is usually supported by multi-factor authentication (MFA), which increases the level of security.

Context and Policy-Based Access: ZTNA evaluates access requests with contextual information such as device type, geographic location, time, and user role. In this way, security policies become flexible and adaptable.

Stealth Network Access: ZTNA increases security by preventing direct access to resources. Users can only access resources they are authorized to and cannot access resources that are invisible on the network. This makes it harder for external attackers to infiltrate the network.

Advanced Threat Detection and Response: ZTNA continuously monitors access requests and quickly detects anomalous activities. This allows proactive responses to security threats.

Cloud and Remote Work Support: ZTNA securely supports cloud-based services and remote workers. This overcomes the limitations of traditional on-premise security approaches and adapts to modern business needs.

ZTNA is a critical component of modern network security, helping companies build a secure and resilient network infrastructure. Going beyond traditional network security boundaries, ZTNA is an essential solution for business continuity and digital transformation..

LAN-WAN-WLAN Technologies

LAN (Local Area Network), WAN (Wide Area Network) and WLAN (Wireless Local Area Network) are the basic network technologies that enable communication between computers and other devices. Each offers different coverage and usage areas, enabling various network structures for businesses and individuals.

LAN (Local Area Network): A LAN is a type of network that connects computers and devices within a local area. It usually covers a limited area such as an office, school or home. LANs offer high-speed data transfer and low latency. They physically connect devices using wired connections (Ethernet). LANs are commonly used to create local networks for small and medium-sized businesses.

WAN (Wide Area Network): A WAN refers to networks that are geographically spread over a large area. It can cover a city, country or intercontinental regions. WANs create a large network by combining different LANs. This is usually done over the internet or private leased lines. WANs are suitable for extended business networks, global companies and long-distance communication needs.

WLAN (Wireless Local Area Network): WLAN connects devices together in a local area using wireless technology. WLANs transmit data via radio waves and generally use the Wi-Fi standard. WLANs eliminate the need for cables, providing flexibility for mobile devices, laptops, and other portable devices. They are widely used in homes, offices, cafes, and public areas.

These network technologies form the basis of modern communication and offer a variety of solutions for different needs. While LAN provides local connectivity and high-speed communication, WAN covers large areas and enables long-distance communication. WLAN offers the advantage of wireless connectivity and mobility. These technologies can be used together or separately to create flexible network structures that suit the needs of businesses and individuals..

Network Access Security (NAC)

Network Access Security is a set of policies, procedures, and technologies used to control access to a computer network, prevent unauthorized entry, and protect network resources. This security approach is critical to ensuring the security of data and devices on the network and forms part of the defense line against cyber threats.

Network access security consists of the following basic components:

Authentication and Authorization: The basis of network access security is to verify the identity of users and allow only authorized individuals to access the network. Security levels can be increased by using technologies such as multi-factor authentication (MFA).

Access Control Policies: Access control is used to determine which users can access which resources and data. These policies can be tailored to users’ roles, locations, device types, and other factors.

Network Segmentation: The division of a network into different sections to increase network access security. Segmentation prevents the spread of attacks and limits access to sensitive data. Virtual local area networks (VLANs) and network microsegmentation are used for this purpose.

Firewalls and IPS/IDS: Firewalls monitor network traffic and block dangerous or unauthorized activity. Intrusion prevention systems (IPS) and intrusion detection systems (IDS) increase security by detecting attacks and anomalous behavior on the network.

Encryption and Secure Communications: Encryption is used to secure data transmitted on the network. Technologies such as virtual private networks (VPNs) and secure transport layer security (TLS) prevent data theft by encrypting network traffic.

Network Access Security is vital to modern businesses and organizations. A well-implemented network access security strategy protects the integrity and security of the network by preventing data breaches, unauthorized access, and cyberattacks. It also helps meet legal and compliance requirements.

Network Packet Distribution (Packet Brokers)

Network Packet Brokers are a network device used to monitor and analyze network traffic. These devices collect, filter, and distribute data packets from the network to different analysis or monitoring tools, helping to improve the performance and security of the network. Network Packet Brokers are critical for network administrators and security teams because they provide a centralized platform to monitor and analyze traffic on the network.

The main functions of Network Packet Brokers are:

Traffic Collection and Copying: Packet distributors collect network traffic through physical links or port mirroring feature of network switches. The collected traffic is copied to be forwarded to different analysis and monitoring tools.

Traffic Filtering and Forwarding: Packet distributors filter and filter network traffic based on certain criteria. These criteria may include protocol types, IP addresses, port numbers, and other parameters. The filtered traffic is directed to the appropriate analysis or monitoring tools.

Load Balancing and Traffic Distribution: Network Packet Distributors provide load balancing by distributing traffic evenly across multiple monitoring or analysis tools. This ensures that traffic is distributed evenly across different systems and prevents overload at a single point.

Traffic Manipulation and Decryption: Some packet distributors can manipulate traffic to mask sensitive data or decrypt encrypted traffic. These features can be used to meet security and compliance requirements.

Network Packet Distributors are a valuable tool for network security and performance analysis. They play a critical role in monitoring security events, detecting network problems, and meeting compliance requirements. Packet distributors help manage the complex traffic of large networks and data centers, ensuring a reliable and secure network environment..

ICS and SCADA Security

ICS (Industrial Control Systems) and SCADA (Supervisory Control and Data Acquisition) systems are technologies used for the management of industrial processes and critical infrastructures. They are widely used in critical sectors such as electrical grids, water treatment plants, oil and gas lines, and manufacturing facilities. ICS and SCADA security is vital to protect these systems from cyber attacks and other threats, as such attacks can cause large-scale disruptions and damage.

The main elements of ICS and SCADA Security are:

Network Isolation and Segmentation: Isolating ICS and SCADA systems from general networks increases security. Network segmentation allows systems to operate at different security levels and prevents threats from spreading.

Access Control and Authentication: Strict access control policies should be implemented to allow only authorized personnel to access these systems. Multi-factor authentication (MFA) and role-based access control (RBAC) increase access security.

Firewalls and IDS/IPS: Firewalls protect ICS and SCADA systems from unauthorized access. Intrusion detection and prevention systems (IDS/IPS) monitor anomalous activities and block potential attacks.

Monitoring and Logging: Continuous monitoring of EKS and SCADA systems helps detect anomalous behavior. Comprehensive logs should be kept to investigate security incidents.

Patch Management and Security Updates: Security updates and patches should be applied regularly to fix vulnerabilities in EKS and SCADA systems. This strengthens defense against cyber threats.

Training and Awareness: It is important to train and raise awareness of personnel managing EKS and SCADA systems on security issues. Compliance with security rules reduces risks caused by human errors.

Disaster Recovery and Business Continuity: Disaster recovery and business continuity plans should be created against interruptions that may occur in EKS and SCADA systems. This ensures that critical services are restored quickly.

EKS and SCADA Security is important for ensuring the security of critical infrastructures. With the increase in cyber threats, a comprehensive and proactive security approach is required to protect industrial control systems. These security measures are necessary to ensure the safe, reliable and uninterrupted operation of critical infrastructures..

Content Filtering (Proxy)

Content Filtering (Proxy) is a security technology used to control internet traffic and block unwanted or harmful content. A proxy acts as a middleware to manage users’ internet access and provides network administrators with powerful tools to filter and monitor web traffic. Content filtering is an important security measure for businesses, schools, and other organizations because it protects users from dangerous content and ensures compliance requirements are met.

The main functions and features of content filtering are:

URL and Domain Filtering: Content filtering can block access to specific websites and domains. This helps to block harmful or inappropriate content from users.

Category-Based Filtering: Proxies can divide websites into different categories, limiting users’ access to sites in specific categories. For example, categories such as adult content, gambling, or social media can be filtered.

Content Analysis and Security Checking: Proxies can analyze the content of web pages to detect malware, phishing, and other security threats. It can also protect against SSL/TLS-based threats by analyzing encrypted traffic.

User Authentication and Policy Enforcement: Proxies can apply access policies to specific user groups or individuals by verifying the identity of users. This increases access control and security.

Logging and Reporting: Content filtering monitors network traffic and generates comprehensive logs and reports on user activity. This provides network administrators with information for security audits and compliance requirements.

Content Filtering (Proxy) helps businesses and organizations increase network security, protect users from malicious content, and meet regulatory compliance requirements. It also limits access to specific types of content to increase employee productivity, enabling more efficient use of resources. Proxy-based content filtering is a critical component of modern network security and an important line of defense against cyber threats..

Network Performance Management (NPP)

Network Performance Management (NPP) is a set of tools and techniques used to monitor, analyze, and optimize the performance of a computer network. The main purpose of NPP is to detect potential problems in the network, ensure efficient use of network resources, and improve the overall performance of the network. This process helps network administrators to better understand the network infrastructure and take measures to improve performance.

The main functions and components of Network Performance Management are:

Network Monitoring and Visualization: NPP tools continuously monitor network traffic and devices and provide real-time information about the status of the network. Network administrators use these visualizations to monitor traffic flow, bandwidth usage, and connection status.

Traffic Analysis and Bandwidth Management: NPP analyzes network traffic to detect high-bandwidth applications or abnormal traffic patterns. This information is used to optimize network resources and control bandwidth usage.

Alerts and Anomaly Detection: NPP tools continuously monitor network performance and generate alerts when certain thresholds are exceeded. This allows network administrators to detect and intervene in potential problems at an early stage.

Capacity Planning and Scaling: NPP evaluates the current capacity of the network to plan for future needs. This facilitates scalability and growth of the network.

Troubleshooting and Root Cause Analysis: NPP tools are used to identify and troubleshoot the source of network performance issues. This is critical to quickly resolve network outages and service quality degradations.

Network Performance Management is essential for managing the complexity of modern networks and optimizing network performance. A good NPP strategy helps to detect network problems in advance, improve network performance, and maintain uninterrupted business operations. It is also an important tool for ensuring efficient use of network resources and improving user experience..

SD-WAN

This approach provides a software-based solution for managing and optimizing traditional wide area networks (WANs). SD-WAN aims to manage network traffic more intelligently, use bandwidth efficiently, and improve the performance of wide area networks.

The main features and benefits of SD-WAN are:

Centralized Management: SD-WAN provides network traffic management and control from a central control point. This allows network policies and priorities to be set from a central location.

Optimized Traffic Management: SD-WAN intelligently manages and optimizes traffic. This ensures high performance of critical applications and efficient use of bandwidth resources.

Wide Access Options: SD-WAN supports multiple connection types, giving organizations the flexibility to use different connectivity options such as dedicated lines, DSL, wireless, and cellular networks.

Redundancy and Rapid Recovery: SD-WAN can quickly recover by automatically changing traffic routing when a network fault or outage is detected.

Enhanced Security: SD-WAN solutions provide the ability to better monitor network traffic and enforce security policies. This creates more effective protection against cyber threats.

Cost Savings: SD-WAN can reduce costs for organizations by more effectively utilizing network bandwidth resources. Especially if organizations use high-cost connections such as dedicated lines or MPLS to manage their wide area networks, SD-WAN can reduce these costs.

SD-WAN is often an important technology for large organizations, branch offices, data centers, and organizations looking to improve connectivity to cloud services and increase network performance. This approach makes network management more flexible and efficient, while also improving business continuity and security..