Alerts This Week
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Alerts This Week
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Fragnesia Hero Esm H100
Linux Kernel Fragnesia Critical Privilege Escalation CVE-2026-46300
May 14, 2026
security advisorycritical
Why Linux Supply Chain Attacks Are Becoming A Nightmare For DevOps Teams Esm H100
Why Linux Supply Chain Attacks Are Becoming a Nightmare for DevOps Teams
May 06, 2026
security advisorydependency management
Dirty Frag Linux Zero Day Exploit Hero Esm H100
Ubuntu Dirty Frag Important Local Privilege Escalation Exploit
May 08, 2026
security advisorylocal privilege escalation
2.Motherboard Esm H100
Misuse of Cron Jobs for Long-Term Access in Linux Environments
May 25, 2026
open-sourceLinux administration
Critical NGINX Vuln Hero Esm H100
Critical NGINX Vulnerability CVE-2026-42945: What Linux Admins Should Check Now
May 18, 2026
security advisorydenial of service

Advisories

Ls Advisories Mageia Esm H228
Mageia
security advisorybuffer overflow
Jun 06, 2026

Mageia 9 Kernel-Linus Critical Buffers Vulnerabilities 2026-0177

Security update
Ls Advisories Mageia Esm H228
Mageia
security advisoryimportant
Jun 06, 2026

Mageia 9 perl-DBIx-Class-EncodedColumn Notable Password Salting Issues

Security update
Ls Advisories Fedora Esm H228
Fedora
security advisoryfedora
Jun 05, 2026

Fedora 43 Thunderbird Update Importance and Installation 2026-8463c31b61

Update to latest upstream version.
Ls Advisories Fedora Esm H228
Fedora
security advisoryfedora
Jun 05, 2026

Overview of Fedora 44 Firefox Update for Version 151.0.3 Release Details

New upstream release (151.0.3)
Ls Advisories Fedora Esm H228
Fedora
security advisoryfedora
Jun 05, 2026

Fedora 44 webkitgtk Critical Security Fix Advisory 2026-a63aad0224

Add support for half-width fonts. Improve content filter compilation by avoiding file copies. Improve handling of out of disk space conditions when the NetworkProcess tried to write data in caches. Fix painting scrollbars when their width changes.

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Featured Articles

Persistence Tricks Hero Esm H150
Linux Persistence Hunting: The 5 Techniques Security Teams Miss Most
You remove the malware. You rotate the compromised credentials. You patch the original...
Jun 02, 2026
security advisoryopen-source
Red Hat Npm Hero Esm H150
Red Hat npm Package Compromise Highlights a Growing Supply Chain Problem
Researchers investigating a campaign now tracked as Miasma found that more than 30 packages in Red...
Jun 02, 2026
security advisoryRed Hat
21.Globe RadiatingCode Esm H150
Why Linux Rootkits Still Matter in Cloud and VMware Environments 
Linux rootkits are old, but they never really disappeared. They just stopped attracting the same...
Jun 01, 2026
cloud securitysecurity monitoring
SSH Forgotten Keys Persistend Risk Esm H150
SSH Key Sprawl on Linux Unmanaged Access Threats and Cleanup Guide
A production Linux server gets rebuilt from an old image. A contractor leaves. A CI/CD job is...
May 27, 2026
access controlopen-source
GitHub Actions Runners In Linux Hero Esm H150
GitHub Actions Compromise CI/CD Supply Chain Risks Explored
For years, most software supply chain attacks focused on malicious dependencies and vulnerable...
May 26, 2026
security advisorylinux
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Latest Linux Security News

14.Lock Code WorldMap Esm H450
system securityLinux network
Network SecurityMay 26, 2026

VPN Strategies for Linux Developers Managing Mobile Security Risks

2.Motherboard Esm H208
Server Security
open-sourceLinux administration
May 25, 2026

Misuse of Cron Jobs for Long-Term Access in Linux Environments

Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other maintenance work that administrators do not want to run manually. Most Linux servers rely on it c...
20.Lock AbstractDigital Circular Esm H208
Vendors/Products
security breachlinux
May 21, 2026

Risks of GitHub Repo Breach on Linux Supply Chain Security

A major internal repository breach at GitHub has exposed a critical and overlooked blind spot in Linux supply chain security. Kernel exploits, exposed SSH services, weak firewall rules, and vulnerable daemons dominated the Linux threat model for yea...

HOWTOs

7.Locks HexConnections Esm H200
How to Secure My Network
access controlLinux administration
Jun 05, 2026

How to Harden SSH on Linux After Disabling Password Authentication

Most SSH hardening advice ends at the same recommendation: Disable password authentication and use SSH keys.
Detect Unauthorised Ssh Keys Hero Esm H200
How to Secure My Network
security advisoryremote access
Jun 03, 2026

How to Detect Unauthorized SSH Keys on Linux Systems

Most of the time, nobody notices. SSH authentication succeeds, no alerts are generated, and the connection looks exactly the way it did the day the key was installed. That's part of the problem.
IDS VS IPS Esm H200
How to Secure My Network
intrusion detectionapplication security
Jun 01, 2026

Linux IDS vs IPS: Operational Differences and Deployment Tradeoffs

The wrong IPS rule can look like a security fix right up until it becomes an outage.
8.Locks HexConnections CodeGlobe Esm H200
How to Secure My Network
unauthorized accesssecurity techniques
May 28, 2026

How To Understand Failed Authentication Patterns in Linux Logs

Exposed SSH servers are continuously hammered by brute-force attacks, password spraying, credential stuffing, and recycled passwords from infostealer dumps. Attackers rotate usernames, test weak credentials, and probe for anything that gives them ini...
7.Locks HexConnections Esm H200
How to Secure My Network
security advisoryincident response
May 28, 2026

How to Respond After Detecting a Compromised Linux Server

The first 30 minutes after discovering a compromised Linux server usually decide how much evidence remains available. One rushed reboot or cleanup attempt can wipe logs, terminate malicious processes, or remove network activity that investigators st...
Phishing App Esm H600
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