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Network security situations have become increasingly complicated and important, and information security has been promoted to national level, despite the increasing attention has been paid to IT security, government's network is still vulnerable.
Official government websites play an increasingly important role in government affairs, like press release, propaganda, and E-Government services. If a government's offcial website has been attacked or its web page has been tampered, it will affect the government image. Government's official websites face security challenges in the following areas:
● Network architecture security
● Transmission security
● Network boundary security
● Detection and auditing
● Access control and identity authentication security
● System vulnerability
As the wave of mobile network and cloud computing become prevalent and information technology keeps developing, the global telecommunications industry has undergone tremendous changes. The rapid development and adoption of the Internet technically makes intruders much easier to hack into target systems, resulting in increasingly serious network and information security problems. Nowadays, network attacks have gradually switch to large-scale, automated and collaborative attacks. Due to the crucial role and great importance of the telecommunications industry, these incidents adversely affect national security, business operations, and customer interests. Therefore, telecom carriers have to face the challenges of establishing a reliable information security environment and substantially increasing their threat defense capabilities.
The financial industry has faced a great opportunity during recent years. Taking advantage of information technology, financial institutions effectively reduce costs of resources, promote work efficiency, improve service quality, and enhance competitive strength. Information technology plays an increasingly important role in financial services. In turn, more and more business processes rely on information technology. However, information technology also brings new risks and challenges to the financial industry.
With the rapid growth of financial industry and increasing diversity of financial products and services, the financial industry becomes more dependent on information systems. The business development requires increased network nodes and business systems, leading to much more complicated interconnection between application systems and network systems. There are also more and more external interconnections and internal users. In this context, information systems are facing both external and internal risks.
In particular, information systems are built based on data centralization. Information security risks may cause immeasurable impacts on financial services and even the entire financial system. Moreover, an exponential growth in the information system scale leads to complicated dependency between internal objects, and problems in the fundamental processes are likely to cause systematic breakdown.
With the inevitable convergence of Operational Technology (OT) with Information Technology (IT). The industrial control systems increasingly use Ethernet and TCP/IP networks as the network infrastructure, migrate from industrial control protocols to the application layer, use wireless networks such as WLAN and GPRS, and adopt standard commercial operating systems such as Windows OS, devices, middleware, and general technologies. The security of an industry automation control system determines the secure production of critical industrial sectors. Industry automation manufacturers are hard-pressed to ensure the security of increasingly open production control networks. Industrial control systems mainly face the following internal and external threats:
●Deterioration of external security environment
●Increasing internal threats
●External Staff’s Threats
Industrial control digitalization and automation is an emerging area, but it does not receive enough attention, as management staffs lack security knowledge and awareness. To ensure the security and reliability of an industrial control system, the following requirements must be met:
●The vulnerability scanning system and the audit system must be available to prevent vulnerabilities of industrial control systems that exist in devices, software, or protocols.
●Specific protection measures designed for various attacks must be available at the network boundary.
●Stability and ease to use for security products of internal staffs in industrial environments must be met.
With the evolution of technologies and the increasing demands from end users, small and medium-sized enterprises' networks become increasingly complex. Employees expect a working environment where they can get online faster for work whenever and wherever they want. At the same time, more than 60% network threats are aimed at small and medium-sized enterprises. As the attacks targeting at small and medium-sized enterprises keep increasing, their network environments are getting more difficult to manage. These threats include malicious software, virus, worm, Trojan, phishing, ransomware, intrusion, DDoS attack, illegal wireless access, and spam. A security system that is easy to use and integrates multiple functions becomes increasingly important for small and medium-sized enterprises.
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