Segmentados Administración sistemas y redes TI

The presence  of Shadow IT, i.e., the unauthorized or unmanaged use of IT technologies and services by employees, poses challenges and risks of considerable magnitude.The rapid adoption of personal devices and applications, as well as accessibility to cloud services, have increased the complexity of the security landscape. This situation poses a risk that can compromise the confidentiality and integrity of the organization's information. 

In recent decades, the need to control processes remotely to improve efficiency, productivity and accelerate decision making on industrial systems has led to the interconnection of operation technologies (OT) with information technologies (IT). This interconnection has given rise to a number of security risks in industrial control systems, and to meet these challenges, specific tools and technologies have been developed and adapted to help ensure cybersecurity in industrial environments. One such tool is the Security Operations Center (SOC).In this article we will focus on the importance of advanced monitoring in a SOC OT. 

Firmware analysis can help to uncover potential vulnerabilities that would otherwise never have been discovered.Although there are multiple types of attacks on IoT and IIoT devices, this guide focuses on the firmware of these devices to check for potential vulnerabilities, using security testing and reverse engineering to allow for an in-depth analysis of the firmware.

Information security standards have become increasingly important in recent years, as more and more legal requirements oblige companies to demonstrate a certain degree of cybersecurity compliance. The IEC 62443 family of standards describes in its various sections the requirements for the secure implementation of an ICS (Industrial Control System) and represents a guarantee of cybersecurity in industrial environments. This article deals with IEC62443-3-3 covering cybersecurity of industrial systems.

The increase of malware specifically designed to run on systems that support industrial processes creates a need in the industry that can be partly covered by different technological solutions. This article will focus on the different options available on the market to detect malicious files that aim to modify the operation of industrial environments or simply cause denials of service.Both portable and agent-deployed solutions can be an option, and this article will reflect on these and other options as well as provide guidelines on when it is best to use one solution or the other.

The evolution of communications in society is also having an impact on the industrial world. With the arrival of 5G, many industrial companies have considered migrating some of their communications to take advantage of the characteristics of this new mobile communications band, such as the reduction of latency times, the increase in connection speed or the exponential increase in the number of devices that can be connected to the network. These characteristics fit perfectly with the industrial mentality, where there are a multitude of interconnected devices between which there cannot be a communication cut due to the criticality of the processes they implement. This article aims to comment, in addition to all the advantages that 5G provides to the industry, the different uses that can be given currently and the complexity of implementing these communications in some devices for subsequent deployment in the industry. Also, to specify possible vulnerabilities in communications using 5G networks.

External access provides great convenience to workers, as it allows them to access any industrial equipment deployed in the field from the office or even further away. However, this type of access can pose a number of security problems for the company. This article reviews the main problems and how to solve them.

Within the industrial world, systems can be detected that do not have all their cybersecurity capabilities activated. This can occur for a variety of reasons, but if detected, each case must be analyzed to get the most out of each device. The ability to robustly configure programs, services or other nuances within industrial systems is called bastioning and allows, among other things, to prevent assets from having a large exposure to the network or the solutions deployed in the system from having vulnerabilities resulting from misconfiguration.In this article, we will begin by explaining what hardening is and how to apply it to our industrial network, along with some good practices to follow.

When a security incident occurs in an ICS (Industrial Control System), depending on the severity of the incident, it can generate a serious problem, both at a productive and economic level, as well as in the security of the people working in the industrial system.Therefore, in this article following the one entitled "Good practices for the recovery of industrial systems (I)", response plans will be discussed from a point of view oriented to current regulations, as well as their applications and necessity in critical industrial environments, such as the energy sector. 

When a security incident occurs in an ICS (Industrial Control System), depending on its severity, it can generate a serious problem, both at a productive and economic level, as well as in the security of the people working in the industrial system.Therefore, in this first article of a series on this subject, we will explain precisely the recovery plans, some general guidelines for their development and some conclusions on the use and applicability of these plans.

In recent years, the constant technological evolution has made possible a large number of advances that would have been unthinkable years ago. In industrial environments, one of the latest developments that promises to stand out and is here to stay are virtual PLC.The virtualization of these controllers will make it possible to decouple the hardware from the software, i.e. the software will be installed in the engineering stations, while the hardware will remain in another area outside the production area.

IDSs are passive elements that are in our network to ensure its security, but what would happen if all our communications were encrypted, or would this protection measure be enough to ensure that my network is protected? These questions and more will be discussed in the following article to provide solutions and advice focused on industrial environments.