Segmentados Investigación y Análisis

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.

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.

Software Defined Radio (SDR) is the result of the technological evolution of conventional analogue radio. Its characteristics and operational capability make it a versatile device with both positive and negative applications within the field of cybersecurity.

Wireless communications encompass a set of protocols that are widely used in some industrial sectors. In particular, building automation is based on these protocols, mainly using the BACNET and Lontalks protocols, but also making use of new ZigBee and Bluetooth based devices for IIoT. This article will provide information on SweynTooth, a set of vulnerabilities that affect Bluetooth technology.

This post presents some lines of action to be followed in the case of having fallen victim to Ekans ransomware. It describes in detail the prevention, identification and response phases to be carried out.

With the aim of increasing cybersecurity knowledge, INCIBE-CERT has published a series of webinars in video format, so that, in a light and entertaining way, knowledge and technical aspects of cybersecurity can be expanded in various areas of interest, for both INCIBE-CERT's technical audience and anyone interested in cybersecurity.

In this new blog entry, we will analyze the features and describe the operation of a new ransomware called Ekans, initially known as Snake, which has a very specific design, aimed at infecting and blocking Industrial Control Systems (ICS).

GNSS (Global Navigation Satellite System) technology is deeply integrated into society to meet geolocation and time measurement needs; it is considered one of the most reliable and it is a critical element for certain industrial sectors. However, due to the advancement of the technology and its widespread use, GNSS are being compromised by cybercriminals.

Sodinokibi uses the RaaS (Ramsonware as a Service) model, which favours its rapid spread. In this article we present some lines of action that should be followed in the case of having been a victim of this sophisticated malware or if it is suspected that it could have infected our systems.

In the last few days there have been various reports, both nationally and internationally, of a ransomware campaign called NetWalker, also known as Mailto or Koko, which appears to target healthcare centers, taking advantage of the current state of alarm declared as a result of the COVID-19 pandemic.