Last week, we were fortunate enough to attend the fantastic LABScon conference, organized by the SentinelOne Labs team. While there, we presented a workshop titled ‘Advanced Threat Hunting: Automating Large-Scale Operations with LLMs.’ The main goal of this workshop was…
VMware Tools and Aria 0-Day Vulnerability Exploited for Privilege Escalation and Code Execution
A zero-day local privilege escalation vulnerability in VMware Tools and VMware Aria Operations is being actively exploited in the wild. The flaw, tracked as CVE-2025-41244, allows an unprivileged local attacker to gain root-level code execution on affected systems. On September…
IT Security News Hourly Summary 2025-09-30 09h : 8 posts
8 posts were published in the last hour 7:3 : Silent Smishing : The Hidden Abuse of Cellular Router APIs 7:3 : Veeam RCE Exploit Allegedly Listed for Sale on Dark Web 7:3 : Apple Font Parser Vulnerability Enables Malicious…
Malicious Code in Fake Postmark MCP Server Steals Thousands of Emails
A newly discovered attack on the npm ecosystem has exposed a deceptive backdoor embedded in a malicious package impersonating Postmark. The package, named postmark-mcp, quietly siphoned off thousands of emails from unsuspecting developers and organizations, all with just one line…
VMware Tools and Aria 0-Day Under Active Exploitation for Privilege Escalation
Organizations using VMware hypervisors face an urgent threat as a local privilege escalation zero-day, tracked as CVE-2025-41244, is under active exploitation in the wild. Both VMware Tools and VMware Aria Operations’ Service Discovery Management Pack (SDMP) are affected, enabling unprivileged users…
Got a text about an Amazon refund? It might be a scam
You get a text saying you’re owed an Amazon refund. Sweet, right? Not so fast. If it’s the Amazon refund text scam, that sweet deal could cost you more than you think. Here’s how to protect your devices with Avast Free…
Scattered Spider, ShinyHunters Restructure – New Attacks Underway
Resecurity warns the “Trinity of Chaos” (LAPSUS$, ShinyHunters, Scattered Spider) is driving a global cybercrime wave, with major breaches undisclosed. A new Resecurity report has uncovered a rapidly unfolding—and potentially much larger—global cybercrime campaign led by the notorious alliance of…
Greg Kroah-Hartman explains the Cyber Resilience Act for open source developers
Impact? Nope, don’t worry, be happy, says Linux veteran Opinion There has been considerable worry about the impact of the European Union’s Cyber Resilience Act on open source programmers. Linux stable kernel maintainer Greg Kroah-Hartman says, however, that there won’t…
As Hardware, API and Network Vulnerabilities Rise, Defenders Rethink Strategies
Bugcrowd’s latest research reveals a surge in hardware, API, and network vulnerabilities, fueled in part by the rapid adoption of AI-assisted development. Critical flaws and broken access control remain top concerns, while experts warn that agentic AI will intensify risks…
Apple Font Parser Vulnerability Allowing Memory Corruption Attacks
Apple has released a security update for macOS Sequoia 15.7.1 to address a serious vulnerability in its font parser. The flaw, tracked as CVE-2025-43400, allows a maliciously crafted font file to trigger an out-of-bounds write. Exploitation could cause unexpected application crashes…
Microsoft blocks AI code, Breach hits WestJet, Harrods suffers new data incident
AI-generated code used in phishing campaign blocked by Microsoft WestJet notifies American consumers of data breach Ukrainian cops spoofed in fileless phishing attacks on Kyiv Huge thanks to our sponsor, Nudge Security AI tools have spread to every corner of…
Silent Smishing : The Hidden Abuse of Cellular Router APIs
This article on was originally distributed as a private report to our customers. Introduction The monitoring and analysis of vulnerability exploitations are among the primary responsibilities of Sekoia.io’s Threat Detection & Research (TDR) team. Using our honeypots, we monitor traffic…
Veeam RCE Exploit Allegedly Listed for Sale on Dark Web
A new dark web marketplace listing has sparked alarm in the cybersecurity community after a seller using the handle “SebastianPereiro” purportedly advertised a remote code execution (RCE) exploit targeting Veeam Backup & Replication platforms. The alleged exploit, marketed as the…
Apple Font Parser Vulnerability Enables Malicious Fonts to Crash or Corrupt Process Memory
Apple has rolled out security updates across its operating systems to address a vulnerability in the Font Parser component that could allow malicious fonts to crash applications or corrupt process memory. The vulnerability, identified as CVE-2025-43400, affects a wide range…
Critical Western Digital My Cloud NAS Devices Vulnerability Let Attackers Execute Malicious Code
Western Digital has released security updates for a critical vulnerability affecting multiple My Cloud network-attached storage (NAS) devices. The flaw, tracked as CVE-2025-30247, could allow a remote attacker to execute arbitrary code on vulnerable systems, potentially leading to a complete…
VMware Tools and Aria Operations Vulnerabilities Let Attackers Escalate Privileges to Root
VMware has released an advisory to address three high-severity vulnerabilities in VMware Aria Operations, VMware Tools, VMware Cloud Foundation, VMware Telco Cloud Platform, and VMware Telco Cloud Infrastructure. Disclosed on 29 September 2025, the advisory covers CVE-2025-41244, CVE-2025-41245, and CVE-2025-41246…
VMware vCenter and NSX Flaws Allow Hackers to Enumerate Usernames
Broadcom released VMSA-2025-0016 to address three key vulnerabilities affecting VMware vCenter Server and NSX products. The vulnerabilities include an SMTP header injection in vCenter (CVE-2025-41250) and two distinct username enumeration flaws in NSX (CVE-2025-41251 and CVE-2025-41252). All three are rated…
Risk of Prompt Injection in LLM-Integrated Apps
Large Language Models (LLMs) are at the core of today’s AI revolution, powering advanced tools and other intelligent chatbots. These sophisticated neural networks are trained on vast amounts of text data, enabling them to understand context, language nuances, and complex…
The hidden risks inside open-source code
Open-source software is everywhere. It runs the browsers we use, the apps we rely on, and the infrastructure that keeps businesses connected. For many security leaders, it is simply part of the environment, not something they think about every day.…
VMware vCenter and NSX Vulnerabilities Let Attackers Enumerate Valid Usernames
VMware has disclosed critical security vulnerabilities in vCenter Server and NSX platforms that could allow attackers to enumerate valid usernames and manipulate system notifications. The vulnerabilities, tracked as CVE-2025-41250, CVE-2025-41251, and CVE-2025-41252, affect multiple VMware products, including Cloud Foundation, vSphere…
Cyber risk quantification helps CISOs secure executive support
In this Help Net Security interview, Vivien Bilquez, Global Head of Cyber Resilience at Zurich Resilience Solutions, discusses how organizations are rethinking cyber resilience. He talks about the priorities CISOs should focus on and the risks that are often overlooked.…
CISA Sounds Alarm on Critical Sudo Flaw Actively Exploited in Linux and Unix Systems
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a critical security flaw impacting the Sudo command-line utility for Linux and Unix-like operating systems to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the…
Hackers Distribute Malicious Microsoft Teams Build to Steal Remote Access
Cybersecurity researchers have identified a sophisticated campaign where threat actors are using malicious advertisements and search engine optimization poisoning to distribute fake Microsoft Teams installers containing the Oyster backdoor malware. The campaign targets users searching for legitimate Microsoft Teams downloads…
Lunar Spider Infected Windows Machine in Single Click and Harvested Login Credentials
A sophisticated cybercriminal group known as Lunar Spider successfully compromised a Windows machine through a single malicious click, establishing a foothold that allowed them to harvest credentials and maintain persistent access for nearly two months. The intrusion, which began in…