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OpenSSH Security Hardening Guide for Linux

SSH is one of the most widely used protocols for system administration on Linux platforms. This guide shows how to harden the SSHd setup of your server.
The post OpenSSH Security Hardening Guide for Linux appeared first on Linux Today.

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Nimbuspwn Bugs Allow Root Privilege Access on Some Linux Machines

Microsoft has unearthed two security vulnerabilities (CVE-2022-29799, CVE-2022-29800) in the networkd-dispatcher daemon that may be exploited by attackers to gain root on many Linux endpoints, allowing them to deploy backdoors, malware, ransomware, or …

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Enable Browsing with DNS Over TLS (DoT) on Ubuntu Made Easy

Today we increasingly saw the importance of privacy and security in computing. This includes our browsing activity, which now needs protection even more than before. This tutorial will help you enable  DNS over TLS (DoT) on Ubuntu using Quad9 serv…

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The State of Open Source Security in 2022

In this video for Help Net Security, Kurt Seifried, Chief Blockchain Officer and Director of Special Projects at Cloud Security Alliance, talks about the state of open source security in 2022.
The post The State of Open Source Security in 2022 appeared…

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How To Connect to SSH Without Typing a Password

In this tutorial, we’ll explore two methods to connect to SSH without typing a password. Learn more here.
The post How To Connect to SSH Without Typing a Password appeared first on Linux Today.

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Latest MITRE Endpoint Security Results Show Familiar Names on Top

MITRE Engenuity has released the latest round of its ATT&CK endpoint security evaluations, and the results show some familiar names leading the pack with the most detections.
The post Latest MITRE Endpoint Security Results Show Familiar Names on To…

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Protecting Against the Spring4Shell Vulnerability

Spring4Shell (CVE-2022-22965) is a remote code execution (RCE) vulnerability that affects Spring Core. Learn about protecting against Spring4Shell here.
The post Protecting Against the Spring4Shell Vulnerability appeared first on Linux Today.

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How to Install and Use SFTP on Linux Servers

SFTP, or SSH File Transfer Protocol, is a method for securely transferring data between computers. Learn to install SFTP on Linux servers here.
The post How to Install and Use SFTP on Linux Servers appeared first on Linux Today.

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Debian Linux 11 Set Up OpenVPN Server In 5 Minutes

I am a new Debian Linux 11 server user and developer. How do I set up an OpenVPN Server on Debian Linux version 11 server to shield my browsing activity from bad guys on public Wi-Fi, and more?
The post Debian Linux 11 Set Up OpenVPN Server In 5 Minute…

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Lapsus$ Gang Says it Has Breached Okta and Microsoft

After breaching NVIDIA and Samsung and stealing and leaking those companies’ propertary data, the Lapsus$ cyber extortion gang has announced that they have popped Microsoft and Okta.
If Lapsus$’s assertions prove to be true, this (previously) relativel…

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How to Check and Install Security Updates on RHEL 6/7/8

This post will give you a detailed guide on how to check and install the latest security updates for RHEL 6/7/8 systems.
The post How to Check and Install Security Updates on RHEL 6/7/8 appeared first on Linux Today.

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How to Install Passbolt Password Manager on Rocky Linux

Passbolt is a free and open-source password manager based on PHP, MySQL, and OpenPGP. Learn how to install Passbolt password manager on Rocky Linux here.
The post How to Install Passbolt Password Manager on Rocky Linux appeared first on Linux Today.

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How Cobalt Strike Became a Favorite Tool of Hackers

Cobalt Strike was created a decade ago as a tool for security professionals. Learn how it became a favorite tool of hackers here.
The post How Cobalt Strike Became a Favorite Tool of Hackers appeared first on Linux Today.

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Attackers Using Default Credentials to Target Businesses, Raspberry Pi and Linux Top Targets

Findings from a Bulletproof report highlight the issue posed by poor security hygiene as automated attacks remain a high security threat to businesses. The research gathered throughout 2021, showed that 70% of total web activity is currently bot traffic. With attackers increasingly deploying automated attack methods, default credentials are the most common passwords used by […]

The post Attackers Using Default Credentials to Target Businesses, Raspberry Pi and Linux Top Targets appeared first on Linux Today.

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Linux Kernel 5.17 Release Delayed to Tackle Spectre v2 Exploit

With last-minute Spectre fixes, the Linux Kernel 5.17 release was delayed while restarting the automated testing process. Learn more here.
The post Linux Kernel 5.17 Release Delayed to Tackle Spectre v2 Exploit appeared first on Linux Today.

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Dirty Pipe Makes Linux Privilege Escalation Easy

A major Linux vulnerability could allow the least privileged users to perform malicious acts. Learn how Dirty Pipe makes Linux privilege escalation easy here.
The post Dirty Pipe Makes Linux Privilege Escalation Easy appeared first on Linux Today.

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Snort – A Network Intrusion Detection System for Ubuntu

Snort is a well-known open-source network intrusion detection and prevention system (IDS). Learn how to install and configure Snort on an Ubuntu 20.04 here.
The post Snort – A Network Intrusion Detection System for Ubuntu appeared first on Linux Today.

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Canonical Patches Dirty Pipe Vulnerability in Ubuntu 21.10 and 20.04 LTS

Canonical has patched the Dirty Pipe vulnerability that affected both Ubuntu 21.10 and 20.04 LTS. Learn more and patch your OS now.
The post Canonical Patches Dirty Pipe Vulnerability in Ubuntu 21.10 and 20.04 LTS appeared first on Linux Today.

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Widely Used UPS Devices can be Hijacked and Destroyed Remotely

Three vulnerabilities in ubiquitous APC Smart-UPS (uninterruptible power supply) devices could allow remote attackers to use them as an attack vector, disable or completely destroy them, Armis researchers have discovered. The vulnerable devices, developed by Schneider Electric subsidiary APC, are used all around the globe to provide emergency backup power for critical physical infrastructure (industrial […]

The post Widely Used UPS Devices can be Hijacked and Destroyed Remotely appeared first on Linux Today.

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3 Most Secure Linux Web Browsers that Protect Your Privacy

When it comes to a web browser or browsing apps on Linux, there are many choices. In this article, we’re looking at the most secure Linux web browsers that protect your privacy.
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