If you’ve installed a modern version of OS X and rebooted or ended up at the lock screen, you may have noticed that a new “Guest User” account appears at the login screen. This is not a full guest user account, if you select the Guest User option at login, the Mac will restart to … Read More
We recently wrote about the dscl utility and how it allows a Mac OS X Lion user to change a password without knowing the existing password. The lack of required admin authentication has since been widely reported as a bug, and a small Security Update will likely be issued by Apple sometime in the near … Read More
Renowned jailbreaker i0n1c, aka Stefan Esser, has put together a rather extensive presentation titled “iOS Kernel Exploitation” that explains exactly how jailbreaks work, ranging from how the exploits are found, how new code is injected into the iOS devices, how untethers work, and so much more. It was presented live at last months Black Hat … Read More
FileVault 2 is the all new disk encryption method that comes with Lion, and it’s more secure than ever, using XTS-AES 128 encryption on your entire disk, as opposed to just the user directory as in past versions. The other huge change that came with FileVault 2 is the significant performance boost, where using full … Read More
Think you have a secure iPhone password? Check this list, you might be using one of the freakishly common passcodes out there, and if so, it’s time to change it. These were compiled by an iOS developer who anonymously captured the passwords through his app: 1234 0000 2580 1111 5555 5683 0852 2222 1212 1998 … Read More
If you want to try out iOS 5 but you don’t have a developer account, you can do so using a crafty technique that takes advantage of a very simple bug in the Voice Over system. This has been confirmed to work on the iPhone 4 and iPhone 3GS, but other iOS devices probably don’t … Read More
The malware protecting Mac OS X Security Update will automatically download and update it’s malware definitions list from Apple, but if you’re like me you probably want to know how to manually check if the malware list is updated or not. We’ll show you where the malware list is located on Mac, and how to … Read More
A recent anti-malware Mac OS X security update was released that defaults to automatically downloading and maintaining an active definitions list of known Mac OS X malware threats. This list comes from Apple and is likely a very small file that is transmitted to your Mac, imposing minimal bandwidth usage. For 99.99% of users, you … Read More
Apple is going to release an anti-malware software update “in the coming days” according to a newly released Apple Knowledge Base article. The update will address the MacDefender phishing malware that we showed you how to get rid of recently. The update will address all existing versions of MacDefender, which also has several variants called … Read More
A new malware threat has been identified for Mac users, the app is called MACDefender and it disguises itself as antivirus software for Mac OS X. The malware attempts to install itself through hijacked websites, and the threat level is considered low, nonetheless all Mac users should be aware of the potential threat and take … Read More
Much like you can monitor Mac OS X filesystem usage through the command line, you can also discover what apps and individual processes are currently using your Macs internet connection. This is a really handy trick if you know your bandwidth is being used by something, or if you’re just trying to track down what … Read More
If you’re in IT, or just fixing Grandmas Mac, it’s not too uncommon to get a machine where you don’t have the admin users password. If you find yourself in this situation, you can easily change the Admin password, or any other users, simply by booting into Mac OS X‘s command line Single User Mode. … Read More
This whole iPhone location tracker thing is getting a crazy amount of attention, and everyone seems surprised that a mobile device with a gazillion apps that ask for your location actually keeps track of your location. But, if you don’t want your location tracked, all you have to do is encrypt your iPhone & iOS … Read More
Note: This feature is currently only in Lion Dev Previews, but it will likely come to a Safari update for existing versions of Mac OS X in the near future. Safari 5.1 in Mac OS X Lion Developer Preview 2 has added a new feature that blocks cookie tracking used by online marketers. Cookie tracking … Read More
We’ve shown a few different ways of how to lock your Mac screen with a keystroke or a hot corner, but another option is to lock the screen and desktop of your Mac through a little-known Mac OS X menu bar item. The result is a little lock icon in the menu bar of OS … Read More
iPhone backups contain a huge amount of personal data, from various account and service logins, contact list and phone logs, personal notes, emails, health data, messages, fully readable SMS conversations, just about anything that is used or stored on the device gets placed in the backup file. That’s excellent for backup restoration purposes, but technically … Read More
There are several steps to password protect a Mac, we’ll cover the essentials so that if someone is to turn on your Mac, wake it from a screensaver, or wake from sleep, they will be required to enter a password in order to use the computer.
Any time that you are away from your computer, it’s a good idea to lock the screen. This provides a level of privacy and security to the Mac that is very easy to use and implement and it should be considered a must-use trick, particularly for anyone working in public spaces, offices, schools, or anywhere … Read More
