Though most Mac users will want to keep Gatekeeper enabled for security purposes, some advanced users find that Gatekeeper is overly zealous in preventing third party apps from being used in macOS and Mac OS X. While it’s easy to turn off Gatekeeper through the System Preferences on a Mac, another option is to disable … Read More
Rarely, Mac users may encounter a random error message which appears somewhat disconcerting, with an OS X pop-up message saying “Unapproved caller. SecurityAgent may only be invoked by Apple software.” This message can appear at random when using certain apps, or after logging in or a reboot, and is sometimes followed by crashing and other … Read More
Whether performing a packet trace or sniffing and capturing packets from a network, the result is usually the creation of a .cap capture file. That .cap, pcap, or wcap packet capture file is created regardless of what you’re using to sniff a network, a fairly common task among network administrators and security professionals. Perhaps the … Read More
Rather than remembering a separate password and set of login information for unlocking a Mac, OS X offers the option to use an iCloud password to login to the computer at boot, reboot, authentication, locked screens, and all login windows instead. This is a helpful feature for users who like to keep things simple and … Read More
Hidden wi-fi networks are becoming more common as network administrators look for additional measures to secure wireless connections. Hiding the network functions as a means of security by obscurity, but the main user-side issue with a hidden Wi-FI network is that the routers SSID is not broadcast which can make it difficult to find for … Read More
Some advanced Mac users require having the root user enabled in Mac OS X for administrative or troubleshooting purposes. While many will keep the root user account password the same as their general administrator password, this is not always recommended for some situations, and thus these Mac users may wish to change the root user … Read More
A notable amount of Mac users have discovered that a random Mac OS X password popup window can appear from iCloud, FaceTime, or Messages, any of each asking for the respective iCloud password. The random password request is very non-specific and just has the logo, “iCloud Password – Please enter your password for email@address” with … Read More
Though most advanced Mac users will find it easiest to enable root with Directory Utility from the GUI of Mac OS X, another option is to turn to the command line. No, we’re not talking about using sudo or su, we’re talking about enabling the actual root user account, which can be appropriate for some … Read More
Many users who send PDF documents with sensitive data back and forth will password protect the files from their Mac so that only authorized users can read and access the data contained within the document. This is fairly common with everything from contracts to accounting and financial records, and it’s equally common to sometimes require … Read More
Mac users who have multiple user accounts on a single machine may sometimes wish to hide a specific user account from appearing on the login screens of OS X. This is fairly common for systems administrators who want to hide an admin account that can be used for direct or remote troubleshooting, but it can … Read More
Adware is generally something most Mac users won’t have to worry about, but that doesn’t mean that OS X is entirely immune to the potential nuisance, and nobody likes it when their browser has been hijacked by that type of junk. If you’re at all concerned about adware impacting your Mac and web browsing, you … Read More
Users who require higher than usual security measures often set a firmware password on a Mac, which requires that a password be entered before the typical OS X boot sequence begins. While these low level passwords are quite secure, but that higher security also means a forgotten firmware password can be a significant problem. Nonetheless, … Read More
When you properly set up Touch ID to unlock your iPhone or iPad, many users add several different of their fingers to the configuration so that they can unlock the iOS device in different orientations. That’s a good idea, but sometimes you may want to change which fingers (or whose fingers) are allowed to access … Read More
Want to hide some photos on iPhone and iPad? Everyone likely has a few photos sitting on their iPhone they’d rather nobody else see, whether it’s embarrassing selfies, poorly filtered or edited pics, a picture of a receipt or personal paperwork, or anything else in the realm of private photos. Those pictures can make showing … Read More
Apple has released an important security update for Mac users, labeled as OS X Bash Update 1.0. The update addresses a recently discovered critical security flaw known as “Shellshock” that impacts the bash shell, the default shell used by the Terminal app of OS X, and is recommended for all users to install even if … Read More
Every app in the iWork suite offers optional password protection of files created, modified, or opened within their respective application. In practice, this means that no user will be able to open or access the file and view the contents on their Mac or iOS device without entering the password first. Password protecting iWork documents … Read More
Touch ID and the iPhone fingerprint reader has been around for a while now, but a great feature that seems to not get much use is the ability to unlock an iPhone with a touch and a fingerprint – that means not having to enter the passcode when you want to unlock the iPhone. Instead, … Read More
The login screen of OS X defaults to showing the account pictures and user names of all accounts on the given Mac. This is undoubtedly convenient for most users as it makes logging into accounts much faster, but for situations where a Mac requires higher security, users may wish to hide user account names from … Read More
