Thank you for reading the LinuxSecurity.com weekly security newsletter. The purpose of this document is to provide our readers with a quick summary of each week's most relevant Linux security headlines.

LinuxSecurity.com Feature Extras:

What You Need to Know About Linux Rootkits - Rootkits are a way attackers hide their tracks and keep access to the machines they control. The good rootkits are very hard to detect and remove. They can be running on ones computer and no one can even know they have been running. Read more to learn how to detect them on your system.

Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition - Mark Sobell again delivers the answers to common Linux administration challenges, and provides thorough and step-by-step instructions to configuring many of the common Linux Internet services in A Practical Guide to Fedora and Red Hat Enterprise Linux, Fifth Edition.

Linux: Secure as a brick (Jul 18)

People who are familiar with me know that there are two things I'm not forgiving about. The first is backups, the second is security.
Botnet Called 'Practically Indestructible' (Jul 18)

A new and improved botnet that has infected 4.5 million Windows PCs is "practically indestructible," security researchers say.
Major overhaul makes OS X Lion king of security (Jul 21)

With Wednesday's release of Mac OS X Lion, Apple has definitively leapfrogged its rivals by offering an operating system with state-of-the-art security protections that make it more resistant to malware exploits and other hack attacks, two researchers say.
(Jul 19)

Mantra is an open source Browser based Security Framework, which is based on the Mozilla`s Firefox Web Browser. It is the part of OWASP Open Web Application Security Project.
Google Hacking Tools Prepped For Black Hat (Jul 21)

Go Google-hack yourself.No, it's not a curse. It's a bit of advice being prepared by two researchers who will present a new batch of search engine-based hacking tools at the Black Hat USA conference in Las Vegas next month.
Whitehat Targets Chrome OS at Black Hat (Jul 18)

Google's ChromeOS is a browser-based cloud powered operating system that holds the potential to be more secure than other traditional hard disk powered operating systems. According to research from security firm Whitehat, ChromeOS has its strengths, but it also has a few weaknesses too.
How LulzSec pwned The Sun (Jul 19)

Infamous pranktivist hackers LulzSec exploited basic security mistakes on a News International website to redirect users towards a fake story on the supposed death of media mogul Rupert Murdoch, it has emerged.
(Jul 18)

Tired of automated attacks on your systems? Want to beef up security a bit by denying would-be attackers a third or fourth chance? Then you need Fail2ban. Fail2ban watches logs and then bans IP addresses, based on too many password failures, by updating the firewall rules. Specific rules can be defined by the user and multiple log files can be monitored. This weekend, let's get started on improving security with Fail2ban.
Security experts knock Google on PC infection warnings (Jul 22)

Google has taken the unprecedented step of warning millions of users whose PCs it believes are infected with fake security software and other malware, the company said yesterday. But some security experts are leery of Google's move.
(Jul 20)

Kicked off of Google's (NASDAQ:GOOG) social network for failing to follow the rules, the Anonymous group of hackers responsible for several serious cyber-security attacks is crafting its own social network, AnonPlus.
Top 5 Tips for protecting your mobile from phone hacking (Jul 18)

Phone hacking can happen to anyone. Here's how to secure your phone. As you've no doubt heard by now, phone hacking is the new