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WordPress 3.0.5 Critical Update: Access Control And Info Disclosure Fixed

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The WordPress.org development team has released version 3.0.5 of its open source blogging and publishing platform, a maintenance and security update that addresses two vulnerabilities; these could have allowed a Contributor- or Author-level user to gain further access to the site.

LinuxSecurity.com Team
Feb 08, 2011

Top 10 Essential Free Open Source Tools For Network Admins

Routing issues, slow network applications, DNS resolution problems -- a network administrator has to deal with a host of network nuisances on a daily basis. How do you survive when you're constantly under the gun to fix the problems? Like any other professional, you need a solid set of tools.

LinuxSecurity.com Team
Feb 02, 2011

Study Reveals DNS Security Failures in U.S. Federal Websites

Half of U.S. government Web sites are vulnerable to commonplace DNS attacks because they haven't deployed a new authentication mechanism that was mandated in 2008, a new study shows.

LinuxSecurity.com Team
Jan 27, 2011

Enhancements in Linux 2.6.37 Kernel: Performance and Security Gains

Linus Torvalds is starting 2011 off with a bang with the release of the 2.6.37 Linux kernel. The new kernel is the first release since 2.6.36 debuted in October. The goal of the new 2.6.37 kernel is to provide developers with improved Linux performance, security and scalability.

LinuxSecurity.com Team
Jan 24, 2011

Investigating Backdoor Risks in OpenBSD IPSEC for Various Projects

Thanks to Mehran for sending this in. OpenBSD IPSEC stack has backdoor and due to that's first open source implementation of ipsec, some OSes have the same piece of code! Since we had the first IPSEC stack available for free, large parts of the code are now found in many other projects/products. Over 10 years, the IPSEC code has gone through many changes and fixes, so it is unclear what the true impact of these allegations are."

LinuxSecurity.com Team
Dec 16, 2010

Identifying Top HTML5 Security Threats for Web Developers

Somehow technology seems to evolve at a rapid pace, even when the standards bodies that help define it do not. Consider that most of today's websites are built on HTML4, a standard that was introduced in 1997. In the thirteen years since, the way we use the Web has changed dramatically, even if the underlying standard has not.

LinuxSecurity.com Team
Dec 16, 2010

Exploring LOIC: A Key Tool Behind DDoS Attacks in Cyber Activism

How was it that a loosely-coupled group of cyber-protestors could launch -- with varying degrees of success -- targeted distributed denial-of-service (DDoS) attacks against sites such as MasterCard, PayPal, PostFinance, and the website belonging to a Swedish prosecutor?

LinuxSecurity.com Team
Dec 16, 2010

WordPress 3.0.2 Security Update Critical: User Access Threat Resolved

The WordPress development team has released version 3.0.2 of their popular open source blogging and publishing platform, a maintenance and security update for the 3.0.x branch of WordPress. According to the developers, the update addresses a security issue that could allow a malicious Author-level user to gain further access to a site.

LinuxSecurity.com Team
Dec 02, 2010

OpenVPN Client Configuration on CentOS 5 Version 2.0.9: Secure Setup Guide

In a previous tip, we looked at setting up an OpenVPN server. Now, I'll take you through the setup of a Linux OpenVPN client. The Linux client will be based on CentOS 5 using OpenVPN 2.0.9.

LinuxSecurity.com Team
Nov 15, 2010

Top 10 Database Weaknesses And Essential Security Strategies

Protecting databases is hardly an easy task, but it is often the attacks that go after the simplest vulnerabilities that are most successful. Enterprises that stick to the basics will generate the most bang for their database security bucks.

LinuxSecurity.com Team
Nov 03, 2010

Linux 2.6.36 Kernel Release Delivers New Performance And Security Features

Nearly twelve weeks after the release of Linux 2.6.35, Linus Torvalds has released Linux 2.6.36. The new version of the Linux kernel includes various performance enhancements and updates, the AppArmor security extension and support for the KDB-KMS-Debug-Shell. Other changes include a new Out-of-Memory (OOM) killer and kernel thread improvements.

LinuxSecurity.com Team
Oct 21, 2010

Linux Kernel 2.6.30 Security Advisory: RDS Access Flaw - Critical Threat

The open-source Linux operating system contains a serious security flaw that can be exploited to gain superuser rights on a target system.

LinuxSecurity.com Team
Oct 21, 2010

Phishing Attacks Increase 52% As Spam Hits Historical Low

Phishing attacks have risen sharply even though spam has declined to its lowest level since 2008, a new report reveals.

LinuxSecurity.com Team
Oct 19, 2010

Improve DNS Security: Best Practices for Implementing DNSSEC

The Domain Name System (DNS) plays a critical part in Internet communications, as it's used to translate a human-readable computer hostname into an IP address -- such as searchsecurity.co.uk to 65.214.43.49 -- so that it can be understood and used by networking equipment, computers and software programs.

LinuxSecurity.com Team
Oct 18, 2010

Exploring Ubuntu 10.10: Enhanced Security and User Experience

After some days with the latest Ubuntu Linux desktop release, I was planning to devote a few graphs to extolling its many virtues.

LinuxSecurity.com Team
Oct 15, 2010

Improving Oracle Database Security: Best Practices For Patching

As Oracle prepares to dump a passel of 81 security fixes on its user base -- including seven critical patch updates (CPUs) for its database product -- many database administrators are preparing to patch their Oracle database platforms accordingly.

LinuxSecurity.com Team
Oct 14, 2010

Top 5 Advantages of Opting for Linux Instead of Mac OS X Today

Were it not for Windows' long-standing installed base and overwhelming market dominance, it seems unlikely that anyone would argue seriously for the merit of the operating system, plagued as it is by high prices, security problems and vendor lock-in.

LinuxSecurity.com Team
Oct 01, 2010

Top Five Database Security Risks Identified by IOUG Survey

Though database security best practices have circulated the conference circuit for years now and existing database security tools are now mature, today's typical enterprise is still far behind in shoring up its most sensitive stores of data.

LinuxSecurity.com Team
Sep 27, 2010

Key Principles For IT Admins In Vulnerability Management

The more apps companies deploy, the more complicated vulnerability management becomes. In the rush to find every security hole and seal it off from potential hackers, it's easy to let something important slip through. That's especially true if you're an IT administrator juggling several tasks of which security is one.

LinuxSecurity.com Team
Sep 21, 2010

Why Security Matters for Websites and Server Infrastructure

Your website may not be as secure as you once thought... Most people take the Internet for granted. When it comes to the Internet as we know it

LinuxSecurity.com Team
Sep 13, 2010

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Server Security - Page 11

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