LinuxSecurity.com
Linux Mint 22: Elevating Security and Usability for Admins
Linux Mint has has long been recognized as a versatile and user-friendly distribution and has earned great popularity among administrators and security practitioners. Due to its stability, ease of use, and robust support system, the distro has quickly established itself in professional environments where reliability and performance are crucial.
Kategorie: Hacking & Security
Recent OpenSSH RCE Bug Explained: Impact & Mitigations
In an era where cybersecurity threats loom larger than ever, the discovery of a Remote Code Execution (RCE) vulnerability in OpenSSH by Qualys' Threat Research Unit (TRU) demands the open source community's immediate attention. Dubbed as "regreSSHion" and assigned the identifier CVE-2024-6387 , this vulnerability stands out not merely because of its potential to enable unauthenticated, remote attackers to execute arbitrary code as root, but also due to its broad impact, affecting millions of OpenSSH server instances globally.
Kategorie: Hacking & Security
Exim 4.98 Addresses Critical Vulnerabilities, Bolsters Email Server Security
Exim is one of Unix-like systems' most widely used mail transfer agents. It's essential for email delivery and handling and is a significant part of the Internet email infrastructure.
Kategorie: Hacking & Security
Play Ransomware Group's New Linux Variant Targets ESXi, Shows Ties With Prolific Puma
The Play ransomware group, well-known for its double-extortion tactics, recently unveiled a Linux variant targeting ESXi environments. This development represents a significant evolution of ransomware strategies, and admins and businesses must understand these threats to implement effective defenses against them.
Kategorie: Hacking & Security
Critical Linux Kernel Vulnerabilities Patched in Ubuntu Azure Systems
Canonical has fixed several recently identified critical Linux kernel vulnerabilities in July 2024. These vulnerabilities primarily affect Microsoft Azure cloud systems in Ubuntu 16.04 (Extended Security maintenance) and Ubuntu 1804 ESM.
Kategorie: Hacking & Security
The Risks Inherent in Including Security Modules At Kernel Level: Lessons From CrowdStrike Incident
Balancing strong security measures while minimizing operational risks is a constant juggling act in cybersecurity. The recent global outage caused by that bad CrowdStrike update underscores the risks of relying on kernel-level modules for security.
Kategorie: Hacking & Security
Navigating the Cybersecurity Maze: Advanced Linux Security Practices for Professionals
As cyber threats rapidly advance, Linux administrators and InfoSec professionals are essential defenders against increasingly sophisticated threats. Protectors of critical infrastructure and sensitive data, these experts must implement a wide array of security practices designed specifically to their unique challenges.
Kategorie: Hacking & Security
Open Source Vulnerability Assessment Tools & Scanners
Computer systems, software, applications, and other interfaces are vulnerable to network security threats. Failure to find these cybersecurity vulnerabilities can lead to the downfall of a company. Therefore, businesses must utilize vulnerability scanners regularly within their systems and servers to identify existing loopholes and weaknesses that can be resolved through security patching.
Kategorie: Hacking & Security
The Urgent Need for Secure Software Development: New Report Serves as a Wake-Up Call for the Industry
The Linux Foundation and Open Source Security Foundation recently published a report entitled "Secure Software Development Education 2024 Survey''Understanding Current Needs." This report highlights the urgent need for formalized training and education in secure software development. It was derived from an industry survey of nearly 400 software developers, which revealed significant knowledge gaps.
Kategorie: Hacking & Security
Severe Linux Kernel Privilege Escalation Bugs Could Compromise Entire Systems
The Cybersecurity and Infrastructure Security Agency (CISA) recently added a new Linux kernel privilege escalation bug ( CVE-2024-1086 ) to its Known Exploited Vulnerabilities (KEV) catalog . This bug is being actively exploited in the wild, and federal organizations have been given a deadline of June 20th to patch it, suggesting that private organizations follow suit.
Kategorie: Hacking & Security
Google Boosts Linux Security with Array Checks
As the cybersecurity landscape continues to evolve, developers and system administrators have faced several challenges in ensuring the safety of systems written using C. This is due to their vulnerability to buffer overflows.
Kategorie: Hacking & Security
Exploring Linux 6.10: Guide to Key Security Enhancements & Updates for Admins
The Linux 6.10 release has generated considerable interest in the technology community. This is especially true among system administrators responsible for maintaining and securing networks and systems.
Kategorie: Hacking & Security
Securing IT Assets: Practical Strategies for Linux Admins & IT Teams
Have you ever wondered why your organization needs IT asset management? ITAM or IT asset management ensures your organization's assets are deployed, upgraded, maintained, accounted for, and disposed of in due time. It ensures that your organization's valuable items (both tangible and intangible) are being used and tracked.
Kategorie: Hacking & Security
How to Secure Your Data Warehouse in a Linux System
The world of enterprise solutions relies heavily on effective data management. Standard systems, which work great for small businesses, simply break down once you have thousands of moving components operating worldwide - if not hundreds of thousands. Maintaining unstructured data, primarily if your business operates on a global scale, isn't just a waste of resources; it's also a risk to your company.
Kategorie: Hacking & Security
Introducing NethSecurity 8.1: Open-Source Firewall Spearheads Improved Linux Network Protection
NethSecurity is a Linux firewall that has been gaining traction in the open-source Linux space. Its proactive approach to network management and security has set it apart.
Kategorie: Hacking & Security
CISA Adds New Chromium Zero-Day Bug to its Known Exploited Vulnerability Catalog
Google has released fixes for a high-severity Chromium security flaw ( CVE-2024-5274 ) impacting its widely used Chrome browser and other Chromium-based browsers such as Microsoft Edge, Brave, Opera, and Vivaldi. CISA has added this Type Confusion bug, exploited in the wild, to its Known Exploited Vulnerability Catalog . CISA has stated, "These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.", underscoring the significance of this flaw for impacted organizations.
Kategorie: Hacking & Security
The Hidden Dangers in Your Dependencies: Responding to Trojanized jQuery Attacks
Security professionals and system administrators face growing cyber threats in today's digital environment, making defending systems increasingly challenging. A recent discovery by Phylum revealed a sophisticated large-scale operation targeting Node Package Manager (npm) , GitHub repositories, and Content Delivery Networks (CDNs) via trojanized versions of the jQuery JavaSecript library .
Kategorie: Hacking & Security
Closing the Door on CVE-2024-29510: Understanding and Mitigating Ghostscript's Latest RCE Threat
Recently, open-source security was rocked by the discovery of an alarming Remote Code Execution (RCE) vulnerability within the Ghostscript document conversion toolkit '' CVE-2024729510 . This security breach poses a severe threat and can compromise countless Linux systems worldwide. To help you understand and protect against this threat, I'll walk you through how this flaw works, its impact, and practical strategies for mitigating your risk.
Kategorie: Hacking & Security
The Rise of Eldorado: Addressing the New Wave of Ransomware-as-a-Service Threats Targeting Linux Systems
Cybersecurity has always been dynamic, and threats are evolving rapidly. One of the latest entrants into this dangerous arena is Eldorado, a ransomware-as-a-service (RaaS) that targets Windows and Linux systems. As revealed by Group-IB's recent discovery , this new ransomware has been making waves since it was first discovered in March 2024.
Kategorie: Hacking & Security
A Deep Dive into the HTTP File Server Vulnerability: Strategies to Shield Your System
An aggressive cyber threat targeting HTTP File Server (HFS) users has emerged recently. A Remote Code Execution (RCE) vulnerability known as CVE-2024-23692 , first disclosed in May 2024, has been exploited by hackers worldwide to install malware onto systems and gain unwarranted control over them.
Kategorie: Hacking & Security