Alerts This Week
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Alerts This Week
Warning Icon 1 637
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

Advisories

Ls Advisories Debianlts Esm H228

Debian Dovecot High Severity Service Disruption Info Leak Flaw DLA-4617-1

Multiple vulnerabilities were discovered in dovecot, a POP3/IMAP server, which could lead to Denial of Service or information leak. CVE-2026-33603 An attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS ch...
Ls Advisories Debianlts Esm H228

Debian 11 gsasl Critical DoS Threat Advisory DLA-4618-1 CVE-2026-48829

It was discovered that missing input sanitising in the DIGEST-MD5 parser of the GNU SASL library could result in denial of service. For Debian 11 bullseye, this problem has been fixed in version 1.10.0-4+deb11u2. We recommend that you upgrade your gs...
Ls Advisories Suse Esm H228

SUSE MozillaThunderbird Important Memory Safety Fix Advisory 2026-2271-1

An update that solves 23 vulnerabilities can now be installed.
Ls Advisories Suse Esm H228

SUSE Linux Micro 6.0 Ignition Key HTTP Transport Loop Patch 2026-21987-1

An update that solves one vulnerability can now be installed.
Ls Advisories Suse Esm H228

SUSE Linux Micro 6.0 Important Libzypp Libsolv Security Update 2026-21988-1

An update that solves four vulnerabilities can now be installed.

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Featured Articles

21.Globe RadiatingCode Esm H150
Why Linux Rootkits Still Matter in Cloud and VMware Environments 
Jun 01, 2026
cloud securitysecurity monitoring
SSH Forgotten Keys Persistend Risk Esm H150
SSH Key Sprawl on Linux Unmanaged Access Threats and Cleanup Guide
May 27, 2026
access controlopen-source
GitHub Actions Runners In Linux Hero Esm H150
GitHub Actions Compromise CI/CD Supply Chain Risks Explored
May 26, 2026
security advisorylinux
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Latest Linux Security News

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

VPN Strategies for Linux Developers Managing Mobile Security Risks

2.Motherboard Esm H208

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

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 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 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

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 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 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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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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