Author: Cyber Analyst
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Cyberattack
What is a Cyberattack? A cyberattack is an intentional attempt by malicious actors to breach, disrupt, steal, or damage digital systems, networks, or data. These attacks can target individuals, businesses, or government infrastructures and often result in severe consequences, from financial loss to operational paralysis and reputational damage. In today’s digital age, understanding what a…
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Retraso en la NIS2 en España: impacto clave en la ciberseguridad europea
El retraso en la transposición de la Directiva NIS2 en España ha encendido las alarmas en Bruselas. La Comisión Europea ha colocado al país en su punto de mira por incumplir los plazos establecidos para incorporar esta directiva clave en materia de ciberseguridad. Este retraso no solo expone vulnerabilidades a nivel nacional, sino que también…
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Blacklist
What is a blacklist? A blacklist is a critical concept in cybersecurity used to block unauthorized, malicious, or suspicious entities such as IP addresses, email domains, or websites. These blacklists play a vital role in preventing spam, phishing, and malware distribution across the web 🌐 In cybersecurity, being on a blacklist means your IP address,…
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APT (Advanced Persistent Threat)
APT (Advanced Persistent Threat)? An Advanced Persistent Threat (APT) is one of the most serious cyber risks facing organizations today. These stealthy, sophisticated attacks are designed to infiltrate networks, stay hidden, and exfiltrate sensitive data over long periods. The goal isn’t to create chaos—it’s to steal intelligence, sabotage systems quietly, and stay under the radar.…
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Antivirus Software
What is an Antivirus Software? In today’s digital world, having reliable antivirus software is a fundamental layer of defense against the constant threat of malware, phishing, ransomware, and other cyber risks. Whether you’re managing a business or browsing from home, understanding what antivirus software is and how it works can be your first step toward…
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Qu’est-ce qu’une violation de données (data breach)
Dans un monde où les données sont le nouvel or noir, comprendre ce qu’est une violation de données est essentiel pour toute organisation connectée à Internet. Une violation de données survient lorsqu’une entité non autorisée accède à des informations sensibles, souvent à des fins malveillantes. Cela peut toucher les entreprises de toutes tailles, les institutions…
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Attack Surface
What is an Attack Surface? In the ever-evolving world of cybersecurity, understanding your attack surface is no longer optional — it’s essential. As organizations become more digital and interconnected, the potential entry points for attackers multiply. But what is an attack surface, and why should CISOs, IT teams, and business leaders care about it? 🤔…
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Chain IQ: Das neueste Opfer im Fokus von Hunters International – Fast 2 Millionen Dateien geleakt
Von Ransomware zu Extortion-as-a-Service Die Gruppierung Hunters International trat erstmals im Oktober 2023 in Erscheinung, vermutlich als Rebranding der zuvor von Strafverfolgungsbehörden zerschlagenen Ransomware-Gruppe Hive. Anfangs operierte Hunters International im klassischen Ransomware-as-a-Service (RaaS)-Modell mit Fokus auf Datenverschlüsselung und -exfiltration. Im Zuge weltweiter Repressionen, gesetzlicher Sanktionen und Verboten von Lösegeldzahlungen wandelte sich die Strategie: Anfang 2025…
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From Ransomware to Extortion-as-a-Service
Hunters International emerged in October 2023, likely as a rebrand of the Hive ransomware group, following the latter’s dismantling by law enforcement. Initially operating as a Ransomware-as-a-Service (RaaS) with support for data encryption and exfiltration, Hunters International soon evolved its strategy in response to global crackdowns, sanctions, and anti-ransom legislation. By early 2025, the group…
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Artificial Intelligence
What is Artificial Intelligence? In today’s digital age, few terms are as widely discussed or as misunderstood as Artificial Intelligence. From self-driving cars 🚗 to voice assistants like Siri and Alexa 🎧, artificial intelligence (AI) is rapidly transforming the way we live and work. But what is artificial intelligence, really? And how does it differ…