Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
Desktop Security
security advisory vulnerability
security advisory vulnerability GNOME is officially shortening its standard vulnerability disclosure window from 90 days to 30 days, a change that impacts upstream maintainers, downstream Linux distributions, and system administrators in how they handle software vulnerabilities. The policy shift, announced by long-time security coordinator Michael Catanzaro , addresses modern software patching realities and a growing influx of automated submissions. . Because GNOME is the default desktop environment on several major Linux...
Jul 21, 2026
Security Vulnerabilities security advisory moderate
security advisory moderate For organizations that run a self-hosted Git platform, it’s no longer just about hosting static code repositories. Today, Git servers are responsible for deployment pipelines, API tokens, SSH keys, package repositories, and the automation scripts that push code directly. Confirm that the upgrade addresses known vulnerabilities but also provides production environments. . That makes them trusted systems within the development environment and attractive targets for attackers looking to move...
Jul 20, 2026
Server Securitydata privacy automation
data privacy automation Every system admin has lived through the same Monday morning ritual. A queue of forty tickets, half of them password resets, permission errors, or disk space warnings that any experienced technician could resolve in under two minutes. The other half require actual judgment. For years, automation promised that software would eventually sort the two apart on its own. That promise is now being tested in production Linux environments. . Early results are reshaping how IT teams think about tier-1...
Jul 17, 2026
Privacydata collection automation
data collection automation You're running a web scraping project to collect pricing data from e-commerce sites. You set up a pool of datacenter proxies, launch your scripts, and within minutes — banned . CAPTCHAs everywhere. Your data pipeline stops before it really begins. . It's a frustrating scenario that plays out daily in ad verification, market research, and multi-account management. The website doesn't know you're doing legitimate research or monitoring. It just sees traffic coming from IP ranges it recognizes as...
Jul 17, 2026
Security Trends security advisory social engineering
security advisory social engineering Business Email Compromise used to be a numbers game — mass-blasted emails, broken English, an obvious "URGENT WIRE TRANSFER" subject line. That era is over. Generative AI has turned BEC into a tailored, low-noise operation that mimics writing style, voice, and even video presence. This piece looks at what's actually changed under the hood, what defenders are testing in response, and why so many organizations are still structurally unprepared for it. . The Infrastructure Problem Nobody Wants to...
Jul 17, 2026
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212
security tooltraffic analysisnetwork managementComprehensive Guide on eBPF for Network Optimization and Security Features
eBPF stands for extended Berkeley Packet Filters, which are a way of running programs on network interfaces. There are two types of BPF: classic and extended. Classic BPFs were introduced in Linux 2.6.25, while extended BPFs were introduced with Linux 4.0 (2010), allowing for more functionality than classic BPFs. . eBPF's ability to improve computing efficiency and enhance the computing ability for numerous tools and platforms, particularly for security, observability, and networking, has become clearly evident. So how do eBPFs work at a technical level? In simple terms, they have their own memory spaces and can be manipulated by new system calls called BPF_MAP_TYPE_XXX functions. They can also attach to any network interface to capture packets or communicate with other processes via shared memory. There are several notable uses for eBPFs, including tracing network traffic, collecting statistics about processes, detecting malicious behavior, optimizing network packet delivery, implementing firewalls, automating security controls, and managing kernel resources. Want to learn more about eBPF technology? Check out our Linux Container Security Primer - you won't be disappointed! Stay up-to-date on the latest Linux security information and insights on topics like eBPF by subscribing to our weekly newsletters. Stay safe out there, fellow Linux users! . The enhanced Berkeley Packet Filter (eBPF) transforms the Linux ecosystem by improving performance and fortifying security within applications.. eBPF, Networking Tools, Linux Performance, Security Solutions. . Brittany Day
Dec 26, 2023
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Cloud Security
76
user safetysecurity enhancementssystem callsMicrosoft's Script Execution Control Innovations at Linux Summit
This week alongside several other Linux Foundation events in Vancouver was the Linux Security Summit. Commanding a significant presence at the Linux Security Summit was Microsoft. . The Linux Security Summit this week featured talks by systemd creator Lennart Poettering who has been employed by Microsoft the past year as well as various other Microsoft engineers with efforts they are taking to enhance Linux security. Yes, the irony. One of the interesting talks at LSS NA 2023 was by Microsoft's Mickaël Salaün on how they are working on new means of controlling script execution on Linux systems. From new open flags to new kernel system calls they are working on allowing Linux system administrators greater control over what scripts could be executed on Linux systems in the future. Those interested in the script execution control topic can see this PDF slide deck from the presentation. In addition to the O_MAYEXEC flag, faccessat2() flags, and the trusted_for() system call, Microsoft is working on a new "EXECVE_OK" and "AT_EXECVE_COMPAT" proposal that should be published soon for comments. The talk laid out that controlling script execution is being targeted for user security and not about removing a user's ability to execute scripts. The link for this article located at Phoronix is no longer available. . Google's participation in the Cloud Computing Conference aims at boosting data privacy measures to ensure user protection in cloud environments.. Microsoft Script Control, Linux Security Summit, System Call Enhancements, Open Flags Management, Linux Security Improvements. . Brittany Day
May 15, 2023
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Organizations/Events
78
security advisorysecurity updateLinux distributionChrome: Linux Security Update Highlights New Sandboxing Feature
Chrome version 20 represents a major step forward for the security of the Google browser, at least for Linux users, for whom this has often been a somewhat neglected area. It introduces a new sandbox concept which precisely regulates and filters the system calls a process is able to make. . The link for this article located at H Security is no longer available. . Google enhances protection for Linux users via advanced sandboxing techniques. Unveil the essential aspects.. Linux Browser Security, Chrome Sandboxing, Security Enhancements. . LinuxSecurity.com Team
Jul 06, 2012
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Vendors/Products
77
access controlapplication securitysystem callsGenerate Policies Using Systrace for Enhanced App Security
Systrace enforces system call policies for applications. The policy can be generated interactively. Systrace can constrain the access that an application gets to the system. Operations not covered by the policy raise an alarm and allow an user to refine the currently configured policy.. . .. Systrace enforces system call policies for applications. The policy can be generated interactively. Systrace can constrain the access that an application gets to the system. Operations not covered by the policy raise an alarm and allow an user to refine the currently configured policy. For complicated applications, it is difficult to know the correct policy before running them. Systrace starts by notifying the user about all system calls that an applications tries to make. The user then configures a policy for the specific system call that caused the warning. After a few minutes, a policy is generated that allows the application to run without any warnings. However, events that are not covered still generate a warning. Normally, that is an indication of a security problem. With systrace untrusted binary applications can be sandboxed. It is possible to restrict their access to the system almost arbitrarily. Sandboxing applications that are available only in binary format is encouraged as it is not possible to directly analyze what they are designed to do. But large open-source applications should be constrained too as it is impossible to prove their correctness. . Sysguard implements real-time monitoring protocols to improve software integrity and user permission management.. Systrace, Application Protection, System Call Management, Access Management. . LinuxSecurity.com Team
May 31, 2002
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Server Security
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