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In previous articles an introduction was given to the 61850 regulation and the different protocols of which it consists. As explained in those articles, the GOOSE and SV (Sample Values) protocols, included in the standard, use multicast frames. Security is very difficult to implement in this type of frame, but there are a number of measures that make possible to raise the security level.

This post sets out some lines of action that must be followed to deal with a DrDoS cyberattack based on the TFTP protocol; it describes in detail the prevention, identification and response phases that must be undertaken.

This post sets out some lines of action that must be followed to deal with a DrDoS cyberattack based on the NTP protocol; it describes in detail the prevention, identification and response phases that must be undertaken.

This post sets out some lines of action that must be followed to deal with a DrDoS cyberattack based on the DNS protocol; it describes in detail the prevention, identification and response phases that must be followed.

In recent years we have witnessed the evolution of the electrical grid and the development of new technologies produce what we know today as the smart grid. This evolution continues to this day and the trend seems to point to greater interconnection between end consumers and the grid, which increases possible attack vectors. Over the course of this article, we shall see the security measures that will be used in the electrical grid of the future.

This article reviews the origin and development of the best-known types of denial-of-service attacks, placing special emphasis on Reflected Distributed Denial of Service attacks, analysing their main characteristics, operation, and consequences, as well as the measures necessary to mount a good defence against them.

Various studies with threat analysis or malware distribution campaigns affecting Spain and identified through incident management undertaken by INCIBE-CERT. The aim is to increase knowledge of the more technical details and characteristics of the threats so that organisations can implement appropriate detection and protection measures.

In this post, an office document, a .doc file with macros, will be analyzed through the static and dynamic analysis of the sample in a controlled environment, in order to identify the actions carried out by the Emotet malware.

With the arrival of industry 4.0 to companies’ productive processes, including IIoT and Cloud, the need to control and monitor the ICS that remotely make them up arises. However, said access points should be established securely and in a controlled manner, mainly due to the criticality of these assets. This article discusses good practices, tools and methods that can be used to establish remote connections to OT networks as securely as possible.