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Home > Resources Center > Blog

2021-05-14

Enterprise Information Security: Evolving Ransomware Threats to OT Networks

NetworkInformation Security

The largest fuel pipeline company in the United States was reported being attacked by Ransomware, and shut down all four of its major pipelines that serve the country. The hacker group called DarkSide infiltrated the pipeline’s network, extracted about 100GB of data, and threatened to leak the data onto the Internet. It demanded nearly US$5 million in order to decrypt all computers, servers and networks.

The cyberattacks on Operational Technology (OT) networks are increasing in frequency and severity, mainly due to the higher availability requirements of utilities and manufacturing industries. Due to the nature of business that requires continuous operation 24/7, there is nearly no downtime for IT infrastructure maintenance and system updates. The lack of important security updates, patches and features may cause the systems and networks vulnerable to cybersecurity threats. Another fact is such companies are more willing to pay a ransom in exchange for the opportunity to resume business after an attack, which makes the OT networks more vulnerable to cyberattacks.

In fact, the aging of OT infrastructure and the lack of effective network security solutions are the main reasons for the increase in vulnerabilities in Industrial Control Systems (ICS) and IoT infrastructure. According to Claroty's latest report, compared with the first half of 2020, ICS vulnerabilities increased by 33% in the second half of 2020, of which 71% were network vulnerabilities. In order to avoid ransomware attacks, companies should deploy OT and IT network security solutions as soon as possible to ensure network compliance, security, control and binding with industry standards. Effective ICS security solutions which consist of industrial firewall, sandbox, unified management platform, and next-generation firewall, can fully protect the OT networks from ransomware attacks and maintain business continuity.

► 3 Steps to defend against Ransomware: Detect, Intercept & Response! Read the related article

Analytic-driven Approach is the Solution to Cybersecurity Threats

The network convergence of OT and IT is on the rise. While protecting the security of OT systems, IT security is also unneglectable. In order to cope with the ever-changing cybersecurity threats, companies can adopt analytics-driven cybersecurity solutions, collecting big data from proactive monitoring of networks, systems and users for further analysis. These analytics help identify vulnerabilities and anomalies more accurately for remediation actions.

► How can analytic-driven cybersecurity solutions close the security gap? Read the related article

CITIC Telecom CPC is ready to provide customers with comprehensive managed security services at any time. TrustCSI™ MSS solutions make use of the advanced Security Information and Event Management (SIEM) technology to detect vulnerabilities and prioritize threats for timely remediation actions. These processes allow customers to review and refine their network security measures to strengthen their capabilities to respond to cyberattacks. Please feel free to contact our security consultants for a free security consultation! For more information about TrustCSI™ 2.0 Information Security solutions, please click here.

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