Red Hot Cyber. The Cybersecurity Blog

Microsoft Exchange Server Penetration Testing: Techniques, Tools, and Countermeasures

Often, during penetration testing, we find ourselves with elevated access (Domain Admin) within an organization. Some companies stop there, thinking that obtaining Domain Admin is the ultimate goal. B...

Notepad++ under attack! How a fake DLL opens the door to criminal hackers

A new vulnerability affecting Notepad++ was released in September. The vulnerability has been identified as CVE-2025-56383, and details can be found on the NIST website. CVE-2025-56383 is a DLL hijack...

A dangerous zero-day zero-click exploit threatens billions of Android devices

Google has issued an urgent advisory regarding a critical vulnerability in Android that allows attackers to execute arbitrary code on the device without any user interaction. The Zero Click vulnerabil...

Does Microsoft use macOS to create Windows wallpapers? Probably!

On October 29, Microsoft released a wallpaper to commemorate the eleventh anniversary of the Windows Insider program, and it is speculated that it was created using macOS. Let us remember that Windows...

Louvre Theft: Windows 2000 and Windows XP on Networks, as Well as Simple Passwords

As we know, the thieves in the “theft of the century” entered through a second-floor window of the Louvre Museum, but the museum had other problems besides unprotected windows. Although Cu...

SesameOp: The Malware That Uses OpenAI Assistants for Command and Control

Microsoft has discovered a new malware, dubbed SesameOp , and published details of how it works . This backdoor was unusual: its creators used the OpenAI Assistants API as a covert control channel , a...

Eight 0-days worth $35 million sold to Russia by US insiders

Former US defense contractor CEO Peter Williams has pleaded guilty to selling ” eight sensitive, protected cyber exploits” to Russian zero-day broker Operation Zero. Court documents and a ...

Trump refuses to export Nvidia chips. China responds: “Don’t worry, we’ll do it ourselves.”

Reuters reported that Trump told reporters during a pre-recorded interview on CBS’s “60 Minutes” and on Air Force One during the return flight: “We’re not going to let an...

Goodbye, malware! In 2025, criminal hackers will use legitimate accounts to remain invisible.

A FortiGuard report for the first half of 2025 shows that financially motivated attackers are increasingly eschewing sophisticated exploits and malware. Instead , they are using valid accounts and leg...

Hanyuan-1: China’s room-temperature quantum computer challenges the US

China’s first atomic quantum computer has reached a major commercial milestone, recording its first sales to domestic and international customers, according to state media. The Hubei Daily, a st...

Featured Articles

Microsoft Exchange Server Penetration Testing: Techniques, Tools, and Countermeasures

Di Alessandro Molinari - 06/11/2025

Notepad++ under attack! How a fake DLL opens the door to criminal hackers

Di Manuel Roccon - 06/11/2025

A dangerous zero-day zero-click exploit threatens billions of Android devices

Di Redazione RHC - 05/11/2025

Does Microsoft use macOS to create Windows wallpapers? Probably!

Di Redazione RHC - 04/11/2025

Louvre Theft: Windows 2000 and Windows XP on Networks, as Well as Simple Passwords

Di Redazione RHC - 04/11/2025

As we know, the thieves in the “theft of the century” entered through a second-floor window of the Louvre Museum, but the museum had other problems besides unprotected windows. Although Cu...

China promotes global AI governance under the United Nations

On October 27, the Blue Hall Forum on the theme of "Improving Global Governance and Building a Community with a Shared Future for Humanity" was held a...

Redazione RHC - 27/10/2025 - 13:16

Australia: Microsoft accused of deceptive practices in Microsoft 365 renewals

Australia's competition watchdog, the ACCC, said subscribers to Microsoft 365 Personal and Family plans were being asked to pay higher prices for Copi...

Redazione RHC - 27/10/2025 - 13:01

Criminal Hackers Breach US Nuclear Weapons Production Facilities

Government hackers breached a nuclear weapons component manufacturing facility in the United States by exploiting vulnerabilities in Microsoft SharePo...

Redazione RHC - 27/10/2025 - 11:12

The secret behind Space Invaders’ speed? A technical limitation of the hardware

In 1978, Taito's Space Invaders captivated audiences with its seemingly ingenious gameplay: the more aliens you shot down, the faster the remaining on...

Redazione RHC - 27/10/2025 - 10:37

$2.8 billion in cryptocurrency stolen! Here’s how North Korea circumvents UN sanctions.

Member countries of the international monitoring group MSMT have concluded that North Korea is increasing its use of cybercrime and the remote work of...

Redazione RHC - 27/10/2025 - 09:28

CoPhish is coming! Microsoft Copilot Studio used to steal accounts

Attackers are using an advanced phishing technique, known as CoPhish, that leverages Microsoft Copilot Studio to trick users into granting unauthorize...

Redazione RHC - 27/10/2025 - 07:24

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