Linux only: One intrepid Ubuntu user has written up a nifty tutorial on using a webcam tool available in the standard repositories, motion, to turn a standard webcam into a motion-detecting security...
Source: Lifehacker
Timevault is an automatic backup utility that takes a snapshot of your current filesystem or directory for pre-defined amount of time, which can be used later to retrieve damaged files or folders. Timevault is in beta stage of development and can be downloaded from https://launchpad.net/timevault. After installation you need to logout and log in back to finish installation and you will find timevault icon on the systray:

Now we will have to configure it, in order for it to make system snapshots. Under general tab, we will have to select “Enable Automatic Snapshot”, and “show snapshot notifications”, we also need to select the “snapshot root directory.”

This tutorial deals only with how to add an extra encrypted physical volume to a volume group pool containing other encrypted physical volumes. This is typical scenario if, at first, you have set up your encryption at a physical partition level (/dev/sdaX where X is the a number of your partition), then you setup your LVM on top of the encrypted partition.
Source: FSDaily / Published NewsWindows only: Free computer-tracking application LocatePC is a lightweight application that can save you a hefty amount of money if your laptop, or even desktop, falls into the wrong hands. Running...
Source: LifehackerYou just sat down at the internet café, you've got your coffee, your scone, and your laptop all plugged in and ready to roll, but—you need to hit the head. What do you do? Wired's Lore...
Source: Lifehacker"... «A weakness has been discovered in the random number generator used by OpenSSL on Debian and Ubuntu systems. As a result of this weakness, certain encryption keys are much more common than they should be, such that an attacker could guess the key through a brute-force attack given minimal knowledge of the system.
Source: FSDaily / Published NewsThe Ubuntu Unleashed blog has an excellent guide to the ins and outs of the Uncomplicated Firewall (ufw), a new feature in Ubuntu Linux 8.04, or Hardy Heron, that makes it easy to control the traffic...
Source: LifehackerGoogle is announcing Friend Connect tonight, a service advertised to "help website owners grow traffic by enabling any site on the web to easily provide social features for its visitors." Friend Connect employs OpenID and oAuth which is a good start, but how it puts them together is lacking vision and, disturbingly, may raise significant privacy concerns.
Source: CivicActions blogs
You already know that Phishers employ various methods to phish your critical data and there are certain ways to protect your data, and one of the ways to protect yourself is by employing the secure connection techniques like HTTPs and checking for that small lock icon in your browser.
Source: TechnofriendsAre you paranoid about script kiddies? Crackers? The government? Competing business? Well here's a comprehensive list of howto's and explainers to secure the living hell out of your Linux desktop. Follow this perfectly, and the chances of your system being compromised severely drops
Source: FSDaily / Published NewsMy love for xkcd comics has influenced me to write this modified autoconfig “cracking” tool that cracks wifi WEP password from your neighbors, exactly the way shown in xkcd comic number 416:
Here is the tool in action:

As you can see there are some state of the art features added to this version. This tools is the result of weeks of sleepless night, yet I am not too sure whether I should release this version to the public. There are some sick people out there who can seriously abuse this tool. If you are still skeptical about the existence of this, you can watch it live in action:
Remember, hacking is serious business.
Disclaimer: No Children or neighbors were hurt (that I know of) during this demo.
Source: LinuxHaxor.netPC World magazine rounds up eight tips to stop thieves from stealing your laptop, the most obvious-yet-effective of which is simply locking it up. Apart from their suggestion that you encrypt your...
Source: LifehackerTech site Ars Technica runs down the basics of securing your home wireless network with the most secure and up-to-date methods. The main takeaway is that when you enable encryption on your wireless...
Source: LifehackerIf you have 40-50 large clients running dynamic website on php on a single server, or you have a high-traffic php-based website serving thousands of pages a day. Performance will hit a serious speed bump. One of the many things you can do, apart from expanding your server, is to use php-opcode cacher like x-cache. There are alternatives to xcache, like apc, eaccelerator, phpa and mmcache to name a few; but according to most benchmark tests (benchmark1 Results, benchmark2) xcache is superior of them all in terms of performance and reliability. And of course it is actively developed and upgraded. However there are others who disagree, but I will not get into fanboy arguments on this.
Source: LinuxHaxor.net
Today, South River Technologies edges Basic Content Services into the mainstream with the latest release of their secure document management and collaboration solution GroupDrive 5.0. This version has a strong focus on security across the network and the internet.
Source: CMSWire.com - All News