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Alerts This Week
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Alerts This Week
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Why Trust Alone Isn't a Security Control
Jul 27, 2026
open-sourceLinux administration
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How AI Is Shrinking Linux's Security Patch Window
Jul 27, 2026
security advisoryvulnerability
Trust Kubernetes Not Enough Hero Esm H100
Kubernetes Storage Flaws Expose a Dangerous Security Blind Spot
Jul 24, 2026
security advisorypath traversal
How To Investigate Suspicious Outbound Network Hero Esm H100
How to Investigate Unexpected Outbound Connections on Linux
Jul 21, 2026
incident responsenetwork traffic
Ai And Patching Hero Esm H100
How AI Is Shrinking Linux's Security Patch Window
Jul 27, 2026
security advisoryvulnerability
4.Lock AbstractDigital Esm H100
Hardening File Uploads on Linux: Sandboxing Parsers and Stopping RCE
Jul 27, 2026
security practicesapplication security
19.Laptop Bed Esm H100
Email Spoofing Techniques That Bypass Human Detection
Jul 25, 2026
email securityLinux server
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Linux Foundation Launches Akrites to Strengthen Software Supply Chain Security
Jun 29, 2026
security advisoryvulnerability management
Linux Audit Logs Hero Esm H100
How to Read Linux Audit Logs During an Intrusion
Jun 29, 2026
incident responselinux
Azure CLI Attack Hero Esm H100
Azure CLI Password Spraying: Why Cloud Identity Is Now Linux Security
Jul 01, 2026
incident responseLinux administration
EBPF Behavioral Detection Hero Esm H100
How to Build Behavioral Detections with eBPF on Linux
Jul 01, 2026
security frameworkprocess monitoring

Advisories

Ls Advisories Rockylinux Esm H228

Rocky Linux 10 Kernel Important Security Update RLSA-2026-45114

A critical kernel update is available for Rocky Linux 10, addressing multiple vulnerabilities including out-of-bounds writes and security checks, as listed in the CVE records.
Ls Advisories Rockylinux Esm H228

Rocky Linux 10 RLSA-2026-44391 libpq Important Buffer Overflow

An important security update for the libpq package in Rocky Linux 10 addresses a buffer overflow vulnerability (CVE-2026-6477) that could allow a server superuser to overwrite client stack memory.
Ls Advisories Rockylinux Esm H228

Rocky Linux 9 libpq Important Buffer Overflow Fix RLSA-2026-44308

A security update is available for the libpq package in Rocky Linux 9, addressing a buffer overflow vulnerability that could allow a superuser to overwrite client stack memory.
Ls Advisories Rockylinux Esm H228

Rocky Linux compat-openssl11 Important Heap Security Issue RLSA-2026-44438

A security update for compat-openssl11 on Rocky Linux 9 addresses a critical vulnerability (CVE-2026-45447) involving a heap use-after-free issue, rated 8.1 on the CVSS scale.
Ls Advisories Rockylinux Esm H228

Rocky Linux Libreswan Important Denial of Service CVEs RLSA-2026-46397

A security update for libreswan addresses critical denial of service vulnerabilities affecting Rocky Linux 9, ensuring improved authentication and encryption for secure virtual private networks.

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Featured Articles

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Threat Detection and Response: Why Linux Monitoring Requires Both Signatures and Behavior
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API Key Leakage in Public Repositories: What Linux Teams Miss
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Linux Rootkits Explained: How They Hide and How Defenders Can Respond
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Latest Linux Security News

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security advisorypatch management
Jul 27, 2026

Installed Is Not Remediated: How to Verify Linux Security Patches in Production

4.Lock AbstractDigital Esm H208

Hardening File Uploads on Linux: Sandboxing Parsers and Stopping RCE

Accepting file uploads is basically inviting strangers to throw random objects through your front window and hoping your living room furniture catches them. Whether it's profile pictures, PDF invoices, or archive files, handling raw uploads means you...
19.Laptop Bed Esm H208

Email Spoofing Techniques That Bypass Human Detection

You've probably trained your team to look for red flags. Odd sender names, urgent language, mismatched links. But a well-crafted spoofed email won't trip any of those wires. It looks legitimate, sounds legitimate, and often comes from a domain that p...

HOWTOs

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A Practical Linux Log Correlation Playbook for Small Security Teams

An administrator reports unusual outbound traffic from a Linux server after firewall logs show repeated connections to an unfamiliar external IP address. Nothing obvious appears in the authentication logs, the web server is running normally, and no h...
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Linux Logging Strategies for Maximizing Security Visibility

A Linux server can be fully patched, hardened, and compliant, yet still leave investigators unable to explain how an attacker got in. Without reliable Linux logging, even a well-secured system can become impossible to investigate.
How To Investigate Suspicious Outbound Network Hero Esm H200

How to Investigate Unexpected Outbound Connections on Linux

Imagine logging into a production Linux server for routine maintenance and noticing background network activity connecting to an unfamiliar external IP address. Your endpoint protection agent is not popping up with an alert, there is no service failu...
Apply Least Privilege In Linux Hero Esm H200

How to Apply the Principle of Least Privilege in Modern Linux Environments

We all spend a lot of time defending our systems from external threats, but the amount of damage an attacker can cause often depends on what happens after they get in. A single compromised account doesn't always lead to a major incident. The real dan...
Correlate Linux Logs For Faster Threat Detection Esm H200

How to Correlate Linux Logs for Faster Threat Detection

For small security and IT teams, the "enterprise" dream of a fully automated SIEM often feels like a distant luxury. It’s a vision built on massive budgets and dedicated engineering teams—things that, frankly, most of us don't have. But here is the r...
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Community Poll

Should Linux servers automatically install security updates?

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/main-polls/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":1,"type":"x","order":1,"pct":14.29,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":4,"type":"x","order":2,"pct":57.14,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":2,"type":"x","order":4,"pct":28.57,"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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