The Radiflow Cyber-Security Blog

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The headache caused by protecting unmanned distributed sites

In recent years, the awareness for securing industrial control systems (ICS) has greatly increased. Since around 2014, many companies have started implementing cyber security solutions to protect their ICS networks from potential cyber incidents. In most companies,...

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Are Schools Ready for Cyber Attacks?

When parents send their children to school, they believe that the school will educate them, teach them manners, and prepare them for the real life. But before the teaching starts, both kids and parents should have confidence in the school environment, the quality of...

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Detection of unauthorized changes in the PLCs’ logic

The Deep-Packet-Inspection (DPI) protocol for industrial network traffic is one of the fundamental technologies currently used in protecting ICS networks. Using this technology, security products are able to accurately identify the industrial commands and parameters...

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Calculating the Cost of a Power Outage

What is the cost of a power outage caused by a cyber-attack? And how does one calculate the predicted cost? Beyond the actuary purpose of estimating the cost of a power outage caused by a cyber-attack, the predicted cost can also inform decision makers as to the...

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Analysis of the Ukrainian Outage

As the smoke starts to clear around the Ukrainian power outage–a significant case of a confirmed cyber-attack that left tens of thousands of people in the dark–more and more details are being confirmed about the chain of events that led to the outage. In this paper we...

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Seeing in the Dark: ICS Network Visibility

In this post I will describe the usage of an IDS (Intrusion Detection System) tool for achieving Network Visibility in ICS networks. This post will be divided into two sections. First, I will cover the operational and security needs in Network Monitoring. Second, I’ll...

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