Red Hot Cyber. The Cybersecurity Blog
What is cyber hacktivism? History, motivations, hacking, consequences, and evolution.
The term “hacktivism” is a combination of the English terms “hacking” and “hacktivism” and was coined to describe the use of computer hacking for political or socia...
Disloyal employees. Let’s find out who they are and how to protect ourselves from this growing threat.
In the digital age, cybersecurity is a critical issue for any company handling sensitive data. However, not all risks are external. In fact, employees themselves often pose a threat to an organization...
Bullying and cyberbullying: what it is and how to protect yourself.
News reports are highlighting an ever-increasing number of cases of cyberbullying, some with dramatic outcomes (see incitement to suicide). Cyberbullying is a new form of psychological violence, an in...
What are Botnets? A Journey Through Malware, Cyber Threat Intelligence, and OSINT
The Internet provides a sea of information. We often talk on RHC about Open Source Intelligence (OSINT) and Cyber Threat Intelligence (CTI), i.e. those intelligence disciplines that deal with the rese...
What is a zero-day and the risk of targeted cyber attacks
Zero-day vulnerabilities are one of the greatest cybersecurity risks for organizations. These are unknown and unpatched vulnerabilities that attackers exploit to penetrate computer systems and comprom...
Discovering Scattered Spider: The Criminal Threat Using Advanced Tactics and Techniques
By Cyber Defense Center Maticmind (Andrea Mariucci, Riccardo Michetti, Federico Savastano, Ada Spinelli) The Scattered Spider threat actor, UNC9344, made its appearance in 2022 with two targeted attac...
Tasting the Exploit: HackerHood testa l’exploit su Wing FTP Server del CVE‑2025‑47812 da Score 10
This tool is intended solely for authorized educational and penetration testing purposes. The author assumes no responsibility for any misuse or damage caused by this software. Always ensure you have ...
What is cyber warfare? Between geopolitics, economics, and technology.
Cyber warfare is a form of conflict that takes place at the cyber and digital level. This form of warfare has become increasingly widespread in recent years, thanks to the growing dependence of modern...
Critical Vulnerability in the Linux Kernel: A New Privilege Escalation
A critical double-free vulnerability has been discovered in the pipapo set module of the NFT subsystem of the Linux kernel. An unprivileged attacker can exploit this vulnerability by sending a special...
RHC interviews Sector16, one of the most active hacktivist groups of 2025. “Let’s destroy the present for a better future”
In recent months, two disturbing episodes have shaken public opinion and the Italian cybersecurity sector. The first concerned an Italian hospital, violated in its most sensitive heart: videos of pati...
Featured Articles

The term “hacktivism” is a combination of the English terms “hacking” and “hacktivism” and was coined to describe the use of computer hacking for political or socia...

In the digital age, cybersecurity is a critical issue for any company handling sensitive data. However, not all risks are external. In fact, employees themselves often pose a threat to an organization...

News reports are highlighting an ever-increasing number of cases of cyberbullying, some with dramatic outcomes (see incitement to suicide). Cyberbullying is a new form of psychological violence, an in...

The Internet provides a sea of information. We often talk on RHC about Open Source Intelligence (OSINT) and Cyber Threat Intelligence (CTI), i.e. those intelligence disciplines that deal with the rese...

Zero-day vulnerabilities are one of the greatest cybersecurity risks for organizations. These are unknown and unpatched vulnerabilities that attackers exploit to penetrate computer systems and comprom...

Magnus Carlsen beats ChatGPT at chess without losing a piece!
Magnus Carlsen beat ChatGPT at chess without losing a single piece, while his virtual opponent lost all his pawns. The Norwegian grandmaster posted screenshots of the game on the social network X on July 10. The artificial intelligence admitted defeat

Putin imposes restrictions on foreign software that has “strangled” Russia
The Kremlin press office reported that Russian President Vladimir Putin has instructed the government to develop additional restrictions on software (including “communications services”)produced in hostile countries by September 1, 2025. The list of instructions was drawn up following a meeting

How an LLM Really Works: Costs, Infrastructure, and the Technical Choices Behind Big Language Models
In recent years, large language models (LLM, Large Language Models) such as GPT, Claude, or LLaMA have demonstrated extraordinary capabilities in understanding and generating natural language. However, behind the scenes, running an LLM is no child’s play: it requires significant

Sophos fixes vulnerabilities in Intercept X for Windows
Sophos announced that it has resolved three separate security vulnerabilities in Sophos Intercept X for Windows and its installer. These vulnerabilities, designated CVE-2024-13972, CVE-2025-7433, and CVE-2025-7472, have been rated High severity. The security bulletin, with Release ID sophos-sa-20250717-cix-lpe, was updated

Three score 10 bugs have been detected in Cisco ISE and ISE-PIC: urgent updates required.
Several vulnerabilities have been identified in the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) products that could allow a remote attacker to execute arbitrary commands on the underlying operating system with administrative privileges. Cisco has

OMGCable: The Thin Red Line Between Penetration Testing and Covert Surveillance
In 2021, during one of my explorations into the increasingly blurred boundary between hardware and cybersecurity, I wrote an article with a title that today sounds almost prophetic: “Even a cable comes to life”.At the time, we were talking about

What is SIM Swapping? Here’s how it works.
Redazione RHC - July 19th, 2025
These days, smartphones are in practically everyone's pockets. We use them for entertainment, sending messages, storing notes, taking photos, transferring money, and even "making phone calls," which is what they...

What are zero-day brokers? Discovering the underground market of security vulnerabilities
Redazione RHC - July 19th, 2025
Zeroday brokers are intermediaries who buy and sell software vulnerabilities that are unknown to the manufacturers and organizations that use them. These vulnerabilities, known as "zerodays," are exploited by cybercriminals...

Apache Tomcat DoS Vulnerability: CVE-2025-53506 Under Analysis
Redazione RHC - July 19th, 2025
The Apache team recently fixed a denial-of-service (DoS) vulnerability classified as high severity. There's a new inconvenient guest in data centers around the world. It's called CVE-2025-53506 and it doesn't...

Magnus Carlsen beats ChatGPT at chess without losing a piece!
Redazione RHC - July 18th, 2025
Magnus Carlsen beat ChatGPT at chess without losing a single piece, while his virtual opponent lost all his pawns. The Norwegian grandmaster posted screenshots of the game on the social...
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