Red Hot Cyber. The Cybersecurity Blog
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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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