Linux

Open Source Firewall is best known for protecting the network from a threat by filtering the inbound and outbound traffic and ensuring network security. Whenever we talk about Open Source Firewalls, the first...

In a recent investigation, the Sygnia security firm found Linux-based ransomware, Cheerscrypt. This ransomware was found using the TTPs of Night Sky ransomware. There is a common threat group called Emperor Dragonfly (A.K.A. DEV-0401/BRONZE STARLIGHT)...

Researchers have revealed details about a long-standing security vulnerability that has been active in the Linux kernel for over eight years. The cybersecurity analysts from Northwestern University (Zhenpeng Lin, Yuhang Wu, and Xinyu Xing)...

There has been an appearance in the cybercrime universe of a new ransomware attack dubbed 'Cheers.' It targets the VMware ESXi servers that have been found to be vulnerable. There are many large organizations and...

Ubuntu Linux distribution, codenamed Jammy Jellyfish, version 22.04, has been made generally available by Canonical. New features in this version include better hardware support, along with an improved baseline of security. The Ubuntu distribution for...

In the Transparent Inter-Process Communication (TIPC) module of the Linux kernel, a critical RCE vulnerability has been detected evenly, and it is a heap-overflow security vulnerability. By, exploiting this security flaw, an attacker can easily...

The cybersecurity analysts at Qualys have discovered a new Linux kernel bug that lets any unprivileged threat actor gain root access on most modern Linux distros. By exploiting an LPE (Local Privilege Escalation) vulnerability a...

What is a Linux Firewall? A Linux firewall is a device that inspects Network traffic ( Inbound /Outbound connections ) and makes a decision to pass or filter out the traffic. Iptables is a CLI...

Address Space Layout Randomization (ASLR) is a computer security technique that involves randomly positioning the base address of an executable and the position of libraries, heap, and stack, in a process's address space. Linux has...

SUDO is a Unix application that enables the system administrators to yield limited root rights to regular users who admitted in the sudoers file, while at the same time gripping a log of their...