Guides

Guides

25 October 2024

NFC (Near Field Communication) is a technology that has revolutionized digital payments by enabling quick and contactless transactions by bringing two compatible devices close together. However, despite its convenience, this technology raises significant cybersecurity issues that must be carefully considered to protect users' sensitive data. NFC is a short-range communication technology [...]

Guides

24 October 2024

Antivirus quarantine is a fundamental function in computing, but many users do not fully understand its purpose and how to use it correctly. This article will explain in detail what antivirus quarantine is, how it works, and why it is essential for protecting your system. Antivirus quarantine is a function designed [...]

Guides

16 October 2024

Table of contents Following the last article on spoofing in general, today we will delve into one particular type: email spoofing.  What is email spoofing?  What is email spoofing? It’s a technique used by cybercriminals to send emails that appear legitimate but actually come from forged sources. This spoofing attack [...]

Guides

16 October 2024

Phone spoofing is a fraudulent practice where scammers disguise the phone number they are calling from, making the phone call appear to come from another source. This technique is used to deceive the call recipient into thinking that the call is from a legitimate number, such as a call center, [...]

Guides

14 October 2024

The security of our Wi-Fi networks is essential to protect personal and business data. A key component of this security is the network security key. We have already addressed network security keys in previous articles, but we have received further questions that we will answer in this article. The network [...]

Guides

14 October 2024

In the context of cybersecurity, data protection is crucial. One effective way to ensure data security is through the use of system images. A system image is an exact copy of a computer's hard drive, including the operating system, installed programs, and files. This tool is essential for Windows backup [...]

Guides

11 October 2024

As mentioned in previous posts, antispam filters are essential tools to protect our email inbox from unwanted messages.  Among the various types of filters available, the static antispam filter stands out for its simplicity and effectiveness. In this article, we continue our exploration of antispam methods and explain how a static [...]

Guides

11 October 2024

Unwanted email represents one of the main issues of modern electronic communication. To combat this threat, various spam filters help keep your inbox clean. Among these, the Bayesian spam filter is one of the most effective and widely used methods. In the third article dedicated to spam filtering methods, we [...]

Guides

10 October 2024

Atispam is a fundamental technology in cybersecurity designed to protect users from unwanted emails and spam calls. Its main function is to identify and block unsolicited communications, which may include unwanted advertising, phishing attempts and malware. But how exactly do these systems work, and what are the most effective methods to combat [...]

Guides

10 October 2024

In yesterday's article, we talked about antispam filters. In this article and the following ones, we will delve deeper into the methods, starting with the heuristic antispam method, which is particularly used for email spam. Email is one of the main communication tools. However, with the increase in email usage, there [...]

Guides

9 October 2024

Google's history documents all searches made and websites visited, offering a convenient way to access past information. However, this tool can pose a risk to users' privacy and security. It is therefore essential to regularly manage, view and delete Google history to safeguard one's personal data.

Guides

9 October 2024

Certified Electronic Mail (PEC) is an essential service for public bodies and companies, providing secure communications with legal value comparable to registered mail. It uses the TLS 1.2 protocol to protect data transfer and employs digital signatures to ensure that contents have not been altered, thus increasing the integrity and [...]

Guides

8 October 2024

Rootkit drivers are an advanced form of malware that installs itself at the kernel level of the operating system, making them particularly dangerous and difficult to detect. These rootkits gain administrator privileges and deeply integrate into the system, modifying drivers to mask their presence and allow other malware to operate [...]

Guides

8 October 2024

Side channel attacks are an emerging threat in the field of computer security that exploit the physical behaviour of hardware during cryptographic operations. These attacks look at aspects such as power consumption, execution time and electromagnetic emissions of the device, allowing attackers to obtain sensitive information such as cryptographic keys. [...]

Guides

7 October 2024

Direct Memory Access (DMA) attacks pose a serious threat to computer security by exploiting the ability of hardware devices to directly access a system's memory, bypassing the central processor and thus also software security controls. This article discusses the nature of DMA attacks, illustrates how they work, and suggests security [...]

Guides

7 October 2024

In the IT security landscape, memory scraping represents one of the most insidious threats. This type of attack targets the volatile memory of computer systems, with a particular focus on POS (Point of Sale) systems. Let's take a look at how memory scraping works, what risks it entails, and how [...]

Guides

4 October 2024

Rowhammer attacks pose a threat to the security of DRAM memories, which are commonly used in computing devices. This attack technique exploits an inherent vulnerability in DRAM, where repeated accesses to certain rows of memory cells can induce bit flip errors in adjacent rows. This effect is due to the [...]

Guides

3 October 2024

Bluebugging is a type of cyber attack that takes advantage of weaknesses in Bluetooth connections to gain unauthorized access to mobile devices. This attack allows hackers to take control of devices, access confidential data and send messages or make calls without the owner's permission. The attack takes place through insecure [...]

Guides

3 October 2024

Cyber security is crucial in our daily lives to protect information systems and personal and corporate data. This discipline is based on five fundamental aspects of ICT, which are the cornerstone of cyber security policies and information protection practices.

Guides

1 October 2024

The importance of Android smartphone security has grown significantly due to the increase in cyber threats. It is essential to adopt protection strategies to safeguard Android devices and personal data. In this article, we will examine various methods of securing Android phones and offer useful tips for keeping your device [...]

Guides

30 September 2024

Computer ports are essential for communication between the PC and other devices or networks. There are two main types of ports: physical and virtual. Physical ports, such as USB and serial, allow the connection of peripheral devices such as mice, keyboards and printers. Virtual ports, managed via TCP/IP protocols, regulate [...]

Guides

26 September 2024

Data security is crucial when disposing of a hard disk drive, whether it is part of a personal, corporate or public entity system. Final data destruction and proper disposal of these devices are essential to prevent unauthorised retrieval of sensitive information and to minimise environmental impact. This article discusses best [...]

Guides

25 September 2024

The security of video cards is a fundamental but often underestimated aspect of computer security. These hardware components, essential for displaying images and video on the computer, can become vulnerable if not properly protected. Keeping drivers up-to-date and following security best practices are crucial steps to protect your system. Graphics [...]

Guides

24 September 2024

Updating software is crucial for the security and efficiency of computers and mobile devices. This article will explore topics such as how often to look for software updates, where to download them, how to perform them, and the definition of software itself. Updates are important for fixing bugs and security [...]