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顯示從 3月, 2024 起發佈的文章

Urgent: Secret Backdoor Found in XZ Utils Library, Impacts Major Linux Distros

RedHat on Friday released an "urgent security alert" warning that two versions of a popular data compression library called XZ Utils (previously LZMA Utils) have been backdoored with malicious code designed to allow unauthorized remote access. The software supply chain compromise, tracked as CVE-2024-3094, has a CVSS score of 10.0, indicating maximum severity. It impacts XZ Utils Posted from: Click here for the full article .

New Linux Bug Could Lead to User Password Leaks and Clipboard Hijacking

Details have emerged about a vulnerability impacting the "wall" command of the util-linux package that could be potentially exploited by a bad actor to leak a user's password or alter the clipboard on certain Linux distributions. The bug, tracked as CVE-2024-28085, has been codenamed WallEscape by security researcher Skyler Ferrante. It has been described as a case of improper Posted from: Click here for the full article .

Linux Version of DinodasRAT Spotted in Cyber Attacks Across Several Countries

A Linux version of a multi-platform backdoor called DinodasRAT has been detected in the wild targeting China, Taiwan, Turkey, and Uzbekistan, new findings from Kaspersky reveal. DinodasRAT, also known as XDealer, is a C++-based malware that offers the ability to harvest a wide range of sensitive data from compromised hosts. In October 2023, Slovak cybersecurity firm ESET&nbsp Posted from: Click here for the full article .

New Webinar: Avoiding Application Security Blind Spots with OPSWAT and F5

Considering the ever-changing state of cybersecurity, it's never too late to ask yourself, "am I doing what's necessary to keep my organization's web applications secure?" The continuous evolution of technology introduces new and increasingly sophisticated threats daily, posing challenges to organizations all over the world and across the broader spectrum of industries striving to maintain Posted from: Click here for the full article .

Behind the Scenes: The Art of Safeguarding Non-Human Identities

In the whirlwind of modern software development, teams race against time, constantly pushing the boundaries of innovation and efficiency. This relentless pace is fueled by an evolving tech landscape, where SaaS domination, the proliferation of microservices, and the ubiquity of CI/CD pipelines are not just trends but the new norm. Amidst this backdrop, a critical aspect subtly weaves into the Posted from: Click here for the full article .

CISA Warns: Hackers Actively Attacking Microsoft SharePoint Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting the Microsoft Sharepoint Server to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild. The vulnerability, tracked as CVE-2023-24955 (CVSS score: 7.2), is a critical remote code execution flaw that allows an authenticated attacker with Posted from: Click here for the full article .

Microsoft Edge Bug Could Have Allowed Attackers to Silently Install Malicious Extensions

A now-patched security flaw in the Microsoft Edge web browser could have been abused to install arbitrary extensions on users' systems and carry out malicious actions.  "This flaw could have allowed an attacker to exploit a private API, initially intended for marketing purposes, to covertly install additional browser extensions with broad permissions without the user's knowledge," Guardio Posted from: Click here for the full article .

Critical Unpatched Ray AI Platform Vulnerability Exploited for Cryptocurrency Mining

Cybersecurity researchers are warning that threat actors are actively exploiting a "disputed" and unpatched vulnerability in an open-source artificial intelligence (AI) platform called Anyscale Ray to hijack computing power for illicit cryptocurrency mining. "This vulnerability allows attackers to take over the companies' computing power and leak sensitive data," Oligo Security researchers Avi Posted from: Click here for the full article .

SASE Solutions Fall Short Without Enterprise Browser Extensions, New Report Reveals

As SaaS applications dominate the business landscape, organizations need optimized network speed and robust security measures. Many of them have been turning to SASE, a product category that offers cloud-based network protection while enhancing network infrastructure performance. However, a new report: "Better Together: SASE and Enterprise Browser Extension for the SaaS-First Enterprise" ( Posted from: Click here for the full article .

Key Lesson from Microsoft’s Password Spray Hack: Secure Every Account

In January 2024, Microsoft discovered they’d been the victim of a hack orchestrated by Russian-state hackers Midnight Blizzard (sometimes known as Nobelium). The concerning detail about this case is how easy it was to breach the software giant. It wasn’t a highly technical hack that exploited a zero-day vulnerability – the hackers used a simple password spray attack to take control of Posted from: Click here for the full article .

New "GoFetch" Vulnerability in Apple M-Series Chips Leaks Secret Encryption Keys

A new security shortcoming discovered in Apple M-series chips could be exploited to extract secret keys used during cryptographic operations. Dubbed GoFetch, the vulnerability relates to a microarchitectural side-channel attack that takes advantage of a feature known as data memory-dependent prefetcher (DMP) to target constant-time cryptographic implementations and capture sensitive data Posted from: Click here for the full article .

Russian Hackers Use 'WINELOADER' Malware to Target German Political Parties

The WINELOADER backdoor used in recent cyber attacks targeting diplomatic entities with wine-tasting phishing lures has been attributed as the handiwork of a hacking group with links to Russia's Foreign Intelligence Service (SVR), which was responsible for breaching SolarWinds and Microsoft. The findings come from Mandiant, which said Midnight Blizzard (aka APT29, BlueBravo, or Posted from: Click here for the full article .

AWS Patches Critical 'FlowFixation' Bug in Airflow Service to Prevent Session Hijacking

Cybersecurity researchers have shared details of a now-patched security vulnerability in Amazon Web Services (AWS) Managed Workflows for Apache Airflow (MWAA) that could be potentially exploited by a malicious actor to hijack victims' sessions and achieve remote code execution on underlying instances. The vulnerability, now addressed by AWS, has been codenamed FlowFixation by Tenable. Posted from: Click here for the full article .

China-Linked Group Breaches Networks via Connectwise, F5 Software Flaws

A China-linked threat cluster leveraged security flaws in Connectwise ScreenConnect and F5 BIG-IP software to deliver custom malware capable of delivering additional backdoors on compromised Linux hosts as part of an "aggressive" campaign. Google-owned Mandiant is tracking the activity under its uncategorized moniker UNC5174 (aka Uteus or Uetus), describing it as a "former Posted from: Click here for the full article .

Russian Hackers Target Ukrainian Telecoms with Upgraded 'AcidPour' Malware

The data wiping malware called AcidPour may have been deployed in attacks targeting four telecom providers in Ukraine, new findings from SentinelOne show. The cybersecurity firm also confirmed connections between the malware and AcidRain, tying it to threat activity clusters associated with Russian military intelligence. "AcidPour's expanded capabilities would enable it to better Posted from: Click here for the full article .

Over 800 npm Packages Found with Discrepancies, 18 Exploitable to 'Manifest Confusion'

New research has discovered over 800 packages in the npm registry which have discrepancies from their registry entries, out of which 18 have been found to exploit a technique called manifest confusion. The findings come from cybersecurity firm JFrog, which said the issue could be exploited by threat actors to trick developers into running malicious code. "It's an actual threat since Posted from: Click here for the full article .

How to Accelerate Vendor Risk Assessments in the Age of SaaS Sprawl

In today's digital-first business environment dominated by SaaS applications, organizations increasingly depend on third-party vendors for essential cloud services and software solutions. As more vendors and services are added to the mix, the complexity and potential vulnerabilities within the SaaS supply chain snowball quickly. That’s why effective vendor risk management (VRM) is a Posted from: Click here for the full article .

Ivanti Releases Urgent Fix for Critical Sentry RCE Vulnerability

Ivanti has disclosed details of a critical remote code execution flaw impacting Standalone Sentry, urging customers to apply the fixes immediately to stay protected against potential cyber threats. Tracked as CVE-2023-41724, the vulnerability carries a CVSS score of 9.6. "An unauthenticated threat actor can execute arbitrary commands on the underlying operating system of the appliance Posted from: Click here for the full article .

Atlassian Releases Fixes for Over 2 Dozen Flaws, Including Critical Bamboo Bug

Atlassian has released patches for more than two dozen security flaws, including a critical bug impacting Bamboo Data Center and Server that could be exploited without requiring user interaction. Tracked as CVE-2024-1597, the vulnerability carries a CVSS score of 10.0, indicating maximum severity. Described as an SQL injection flaw, it's rooted in a dependency called org.postgresql: Posted from: Click here for the full article .

TeamCity Flaw Leads to Surge in Ransomware, Cryptomining, and RAT Attacks

Multiple threat actors are exploiting the recently disclosed security flaws in JetBrains TeamCity software to deploy ransomware, cryptocurrency miners, Cobalt Strike beacons, and a Golang-based remote access trojan called Spark RAT. The attacks entail the exploitation of CVE-2024-27198 (CVSS score: 9.8) that enables an adversary to bypass authentication measures and gain administrative Posted from: Click here for the full article .

Generative AI Security - Secure Your Business in a World Powered by LLMs

Did you know that 79% of organizations are already leveraging Generative AI technologies? Much like the internet defined the 90s and the cloud revolutionized the 2010s, we are now in the era of Large Language Models (LLMs) and Generative AI. The potential of Generative AI is immense, yet it brings significant challenges, especially in security integration. Despite their powerful capabilities, Posted from: Click here for the full article .

Crafting and Communicating Your Cybersecurity Strategy for Board Buy-In

In an era where digital transformation drives business across sectors, cybersecurity has transcended its traditional operational role to become a cornerstone of corporate strategy and risk management. This evolution demands a shift in how cybersecurity leaders—particularly Chief Information Security Officers (CISOs)—articulate the value and urgency of cybersecurity investments to their boards.& Posted from: Click here for the full article .

New Phishing Attack Uses Clever Microsoft Office Trick to Deploy NetSupport RAT

A new phishing campaign is targeting U.S. organizations with the intent to deploy a remote access trojan called NetSupport RAT. Israeli cybersecurity company Perception Point is tracking the activity under the moniker Operation PhantomBlu. "The PhantomBlu operation introduces a nuanced exploitation method, diverging from NetSupport RAT’s typical delivery mechanism by leveraging OLE (Object Posted from: Click here for the full article .

E-Root Marketplace Admin Sentenced to 42 Months for Selling 350K Stolen Credentials

A 31-year-old Moldovan national has been sentenced to 42 months in prison in the U.S. for operating an illicit marketplace called E-Root Marketplace that offered for sale hundreds of thousands of compromised credentials, the Department of Justice (DoJ) announced. Sandu Boris Diaconu was charged with conspiracy to commit access device and computer fraud and possession of 15 or more unauthorized Posted from: Click here for the full article .

Hackers Using Cracked Software on GitHub to Spread RisePro Info Stealer

Cybersecurity researchers have found a number of GitHub repositories offering cracked software that are used to deliver an information stealer called RisePro. The campaign, codenamed gitgub, includes 17 repositories associated with 11 different accounts, according to G DATA. The repositories in question have since been taken down by the Microsoft-owned subsidiary. "The repositories look Posted from: Click here for the full article .

GhostRace – New Data Leak Vulnerability Affects Modern CPUs

A group of researchers has discovered a new data leakage attack impacting modern CPU architectures supporting speculative execution. Dubbed GhostRace (CVE-2024-2193), it is a variation of the transient execution CPU vulnerability known as Spectre v1 (CVE-2017-5753). The approach combines speculative execution and race conditions. "All the common synchronization primitives implemented Posted from: Click here for the full article .

Malicious Ads Targeting Chinese Users with Fake Notepad++ and VNote Installers

Chinese users looking for legitimate software such as Notepad++ and VNote on search engines like Baidu are being targeted with malicious ads and bogus links to distribute trojanized versions of the software and ultimately deploy Geacon, a Golang-based implementation of Cobalt Strike. “The malicious site found in the notepad++ search is distributed through an advertisement block,” Kaspersky Posted from: Click here for the full article .

Researchers Detail Kubernetes Vulnerability That Enables Windows Node Takeover

Details have been made public about a now-patched high-severity flaw in Kubernetes that could allow a malicious attacker to achieve remote code execution with elevated privileges under specific circumstances. “The vulnerability allows remote code execution with SYSTEM privileges on all Windows endpoints within a Kubernetes cluster,” Akamai security researcher Tomer Peled said. “To exploit Posted from: Click here for the full article .

RedCurl Cybercrime Group Abuses Windows PCA Tool for Corporate Espionage

The Russian-speaking cybercrime group called RedCurl is leveraging a legitimate Microsoft Windows component called the Program Compatibility Assistant (PCA) to execute malicious commands. “The Program Compatibility Assistant Service (pcalua.exe) is a Windows service designed to identify and address compatibility issues with older programs,” Trend Micro said in an analysis Posted from: Click here for the full article .

DarkGate Malware Exploits Recently Patched Microsoft Flaw in Zero-Day Attack

A DarkGate malware campaign observed in mid-January 2024 leveraged a recently patched security flaw in Microsoft Windows as a zero-day using bogus software installers. “During this campaign, users were lured using PDFs that contained Google DoubleClick Digital Marketing (DDM) open redirects that led unsuspecting victims to compromised sites hosting the Microsoft Windows SmartScreen bypass Posted from: Click here for the full article .

Demystifying a Common Cybersecurity Myth

One of the most common misconceptions in file upload cybersecurity is that certain tools are “enough” on their own—this is simply not the case. In our latest whitepaper OPSWAT CEO and Founder, Benny Czarny, takes a comprehensive look at what it takes to prevent malware threats in today’s ever-evolving file upload security landscape, and a big part of that is understanding where the Posted from: Click here for the full article .

Researchers Highlight Google's Gemini AI Susceptibility to LLM Threats

Google's Gemini large language model (LLM) is susceptible to security threats that could cause it to divulge system prompts, generate harmful content, and carry out indirect injection attacks. The findings come from HiddenLayer, which said the issues impact consumers using Gemini Advanced with Google Workspace as well as companies using the LLM API. The first vulnerability involves Posted from: Click here for the full article .

Join Our Webinar on Protecting Human and Non-Human Identities in SaaS Platforms

Identities are the latest sweet spot for cybercriminals, now heavily targeting SaaS applications that are especially vulnerable in this attack vector. The use of SaaS applications involves a wide range of identities, including human and non-human, such as service accounts, API keys, and OAuth authorizations. Consequently, any identity in a SaaS app can create an opening for cybercriminals to Posted from: Click here for the full article .

Microsoft's March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws

Microsoft on Tuesday released its monthly security update, addressing 61 different security flaws spanning its software, including two critical issues impacting Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution. Of the 61 vulnerabilities, two are rated Critical, 58 are rated Important, and one is rated Low in severity. None of the flaws are listed as Posted from: Click here for the full article .

Watch Out: These PyPI Python Packages Can Drain Your Crypto Wallets

Threat hunters have discovered a set of seven packages on the Python Package Index (PyPI) repository that are designed to steal BIP39 mnemonic phrases used for recovering private keys of a cryptocurrency wallet. The software supply chain attack campaign has been codenamed BIPClip by ReversingLabs. The packages were collectively downloaded 7,451 times prior to them being removed from Posted from: Click here for the full article .

Embracing the Cloud: Revolutionizing Privileged Access Management with One Identity PAM Essentials

As cyber threats loom around every corner and privileged accounts become prime targets, the significance of implementing a robust Privileged Access Management (PAM) solution can't be overstated. With organizations increasingly migrating to cloud environments, the PAM Solution Market is experiencing a transformative shift toward cloud-based offerings. One Identity PAM Essentials stands Posted from: Click here for the full article .

Data Leakage Prevention in the Age of Cloud Computing: A New Approach

As the shift of IT infrastructure to cloud-based solutions celebrates its 10-year anniversary, it becomes clear that traditional on-premises approaches to data security are becoming obsolete. Rather than protecting the endpoint, DLP solutions need to refocus their efforts to where corporate data resides - in the browser. A new guide by LayerX titled "On-Prem is Dead. Have You Adjusted Your Web Posted from: Click here for the full article .

BianLian Threat Actors Exploiting JetBrains TeamCity Flaws in Ransomware Attacks

The threat actors behind the BianLian ransomware have been observed exploiting security flaws in JetBrains TeamCity software to conduct their extortion-only attacks. According to a new report from GuidePoint Security, which responded to a recent intrusion, the incident "began with the exploitation of a TeamCity server which resulted in the deployment of a PowerShell implementation of Posted from: Click here for the full article .

Proof-of-Concept Exploit Released for Progress Software OpenEdge Vulnerability

Technical specifics and a proof-of-concept (PoC) exploit have been made available for a recently disclosed critical security flaw in Progress Software OpenEdge Authentication Gateway and AdminServer, which could be potentially exploited to bypass authentication protections. Tracked as CVE-2024-1403, the vulnerability has a maximum severity rating of 10.0 on the CVSS scoring system. It Posted from: Click here for the full article .

Microsoft Confirms Russian Hackers Stole Source Code, Some Customer Secrets

Microsoft on Friday revealed that the Kremlin-backed threat actor known as Midnight Blizzard (aka APT29 or Cozy Bear) managed to gain access to some of its source code repositories and internal systems following a hack that came to light in January 2024. "In recent weeks, we have seen evidence that Midnight Blizzard is using information initially exfiltrated from our Posted from: Click here for the full article .

Secrets Sensei: Conquering Secrets Management Challenges

In the realm of cybersecurity, the stakes are sky-high, and at its core lies secrets management — the foundational pillar upon which your security infrastructure rests. We're all familiar with the routine: safeguarding those API keys, connection strings, and certificates is non-negotiable. However, let's dispense with the pleasantries; this isn't a simple 'set it and forget it' scenario. It's Posted from: Click here for the full article .

Cisco Issues Patch for High-Severity VPN Hijacking Bug in Secure Client

Cisco has released patches to address a high-severity security flaw impacting its Secure Client software that could be exploited by a threat actor to open a VPN session with that of a targeted user. The networking equipment company described the vulnerability, tracked as CVE-2024-20337 (CVSS score: 8.2), as allowing an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF Posted from: Click here for the full article .

CISA Warns of Actively Exploited JetBrains TeamCity Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical security flaw impacting JetBrains TeamCity On-Premises software to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerability, tracked as CVE-2024-27198 (CVSS score: 9.8), refers to an authentication bypass bug that allows for a complete Posted from: Click here for the full article .

Human vs. Non-Human Identity in SaaS

In today's rapidly evolving SaaS environment, the focus is on human users. This is one of the most compromised areas in SaaS security management and requires strict governance of user roles and permissions, monitoring of privileged users, their level of activity (dormant, active, hyperactive), their type (internal/ external), whether they are joiners, movers, or leavers, and more.  Not Posted from: Click here for the full article .

Watch Out for Spoofed Zoom, Skype, Google Meet Sites Delivering Malware

Threat actors have been leveraging fake websites advertising popular video conferencing software such as Google Meet, Skype, and Zoom to deliver a variety of malware targeting both Android and Windows users since December 2023. “The threat actor is distributing Remote Access Trojans (RATs) including SpyNote RAT for Android platforms, and NjRAT and DCRat for Windows Posted from: Click here for the full article .

What is Exposure Management and How Does it Differ from ASM?

Startups and scales-ups are often cloud-first organizations and rarely have sprawling legacy on-prem environments. Likewise, knowing the agility and flexibility that cloud environments provide, the mid-market is predominantly running in a hybrid state, partly in the cloud but with some on-prem assets. While there has been a bit of a backswing against the pricing and lock-in presented when using Posted from: Click here for the full article .

Critical JetBrains TeamCity On-Premises Flaws Could Lead to Server Takeovers

A new pair of security vulnerabilities have been disclosed in JetBrains TeamCity On-Premises software that could be exploited by a threat actor to take control of affected systems. The flaws, tracked as CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score: 7.3), have been addressed in version 2023.11.4. They impact all TeamCity On-Premises versions through 2023.11.3. “The Posted from: Click here for the full article .

Over 100 Malicious AI/ML Models Found on Hugging Face Platform

As many as 100 malicious artificial intelligence (AI)/machine learning (ML) models have been discovered in the Hugging Face platform. These include instances where loading a pickle file leads to code execution, software supply chain security firm JFrog said. "The model's payload grants the attacker a shell on the compromised machine, enabling them to gain full control over victims' Posted from: Click here for the full article .

Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure

U.S. cybersecurity and intelligence agencies have warned of Phobos ransomware attacks targeting government and critical infrastructure entities, outlining the various tactics and techniques the threat actors have adopted to deploy the file-encrypting malware. “Structured as a ransomware as a service (RaaS) model, Phobos ransomware actors have targeted entities including municipal and Posted from: Click here for the full article .