Ubuntu 20.04 LTS Is Now Powered by Linux Kernel 5.15 LTS

On August 2nd, 2022, Canonical published a new Ubuntu kernel security update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS systems that addresses four security vulnerabilities, including a remote code execution. The interesting part is that Canonical lists only Linux 5.15 kernels for both Ubuntu 22.04 LTS and Ubuntu 20.04 LTS as being patched, despite […]

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DNS settings to avoid email spoofing and phishing for unused domain

As you may know, email spoofing allows attackers to pose as someone else to gain illegal profit. For example, I only use webmaster@cyberciti.biz for communication, but someone might create a spoofed-up email, say info@opensourceflare.com, to trick som…

The History of Kali Linux Distribution

Kali Linux was originally developed to help pentesters efficiently conduct penetration tests. Learn more about the history of Kali Linux here.
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How to Install Metasploit Framework on Android Using Termux

Metasploit is one of the essential tools that every penetration tester should have. Learn how to install Metasploit on Android using Termux here.
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Debian GNU/Linux 11 Kernel Security Update Fixes 9 Vulnerabilities

The new Debian GNU/Linux 11 Linux kernel security update comes one and a half months after the previous kernel security update. Learn more here.
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How to Setup Two-Factor Authentication For SSH In Linux

The post How to Setup Two-Factor Authentication For SSH In Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .By default, SSH already uses secure data communication between remote machines, but if you want to add an extra security
The p…

Atlassian Fixes Critical Flaws in Confluence, Jira, Bitbucket, Others

Atlassian has fixed three critical flaws and vulnerabilities and is urging Confluence, Bamboo, Bitbucket, Crowd, Fisheye, Crucible, Jira, and Jira Service Management customers to update their instances as soon as possible. There is no mention of these vulnerabilities being exploited in the wild, but flaws in Atlassian Confluence are often leveraged by attackers. Learn more […]

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Install and Configure Linux LDAP

A guide on installing and configuring the OpenLDAP server and database for centralized authentication in Ubuntu, using LDAP protocol in Linux environments.

Ubuntu Users Get Kernel Security Updates, 17 Vulnerabilities Patched

The new Ubuntu Linux kernel security updates come about a month after the previous kernel updates. Learn more here.
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How To Set Correct SSH Directory Permissions in Linux

The post How To Set Correct SSH Directory Permissions in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
For SSH to work well, it requires correct permissions on the ~/.ssh or /home/username/.ssh directory: the default location for …

Cloud Security Pen Testing: Everything You Need to Know

Cloud security pen testing is a process of verifying the security of cloud-based systems and applications. Cloud service providers offer customers a great degree of flexibility, scalability, and economies of scale, but with this comes new risks and threats that must be evaluated. With cloud security pen testing you will be able to identify and […]

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New Highly-Evasive Linux Malware Infects All Running Processes

Intezer Labs security researchers have identified a sophisticated new malware that targets Linux devices. Learn more here.
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How to Protect Linux against Rogue USB Devices Using USBGuard

You deployed a perfect firewall and other network security policies preventing unauthorized access to the user’s desktop computer over a network. However, you still need to block USB device access. We can configure a Linux desktop security policy to protect your computer against rogue USB devices (a.k.a. BadUSB) by implementing essential allow and blocklisting capabilities […]

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How to protect Linux against rogue USB devices using USBGuard

usbgurd

You deployed a perfect firewall and other network security policies preventing unauthorized access to the user’s desktop computer over a network. However, you still need to block USB device access. We can configure a Linux desktop security po…

How to Install Tor Browser in Linux with Security Guide

Tor Browser is currently the most trusted and secure browser to protect you from internet censorship and protect your data with the layer of nodes (also known as the onion routers) to make it harder for companies to track back to you. Here’s how …

25 Most Dangerous Software Flaws Identified by MITRE

MITRE has released its latest list of the top 25 most dangerous software flaws and exposures. Learn more about their findings here.
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Attackers are using deepfakes to snag remote IT jobs

Malicious individuals are using stolen personally identifiable information (PII) and voice and video deepfakes to try to land remote IT, programming, database and software-related jobs, the FBI has warned.
The post Attackers are using deepfakes to snag…

How to Generate a Strong Pre-shared Key on Linux

A PSK, or pre-shared key, is a password made up of a random string of characters. Learn how to generate a strong pre-shared key on Linux here.
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Highly Sophisticated Malware Attacks Home and Small Office Routers

Security researchers have uncovered highly sophisticated malware that has been targeting small office/home office (SOHO) routers for nearly two years. Learn more here.
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Nearly a Million Kubernetes Instances Exposed on Internet

Cybersecurity researchers have found more than 900,000 instances of Kubernetes consoles exposed on the internet. Learn more here.
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