Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at February 2, 2020. (more…)
Category: DDoS Mitigation
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Policies for Building the Defense-in-Depth System for Industrial Control Networks For the sake of ICS security protection, we can build a defense-in-depth system by implementing the following policies: (more…)
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ICS Information Security Assurance Framework ICS Security Assurance Principles In response to related compliance requirements put forward by the industry and the country, the ICS information security assurance framework will be developed to combine both technology and management, taking full account of the enterprise's business requirements and ICS operating characteristics....
ICS Information Security Assurance Framework 11
2.4 ICS Security Trend All in all, with IT and OT converging at a rapid pace, ICSs will be exposed to more threats that are evolving faster and faster. The threat evolution is reflected in the following aspects: (more…)
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2.3.2 ICS Vulnerability Trend As industrial control has been delving deeper in recent years, more and more ICS vulnerabilities are discovered by researchers. As vulnerabilities publicly available are only a small portion of those hidden in ICSs, the possibility of ICS vulnerabilities being stashed as potential cyber weapons cannot be...
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2.3 Vulnerabilities in ICS Assets Most ICS security mechanisms are short of authentication, encryption, and audits, and therefore such ICS assets are rather vulnerable. When connecting to the Internet, ICSs are susceptible to external probes or identification via special fields included in information returned through public or private communication protocols,...
