In order to secure a PDF with a password when opened in Adobe Acrobat 9 Pro, press the secure button and go into password security settings. Here you can change on what versions of this software the file will run on, the next option asks which portion of the document is to be encrypted when a password is placed. Further below here is where you actually choose the password, this ensures that only people who know the password will be able to see the contents of the document. Below this is the d...
Welcome back, my rookie hackers! So many readers come to Null Byte to learn how to hack Wi-Fi networks (this is the most popular hacking area on Null Byte) that I thought I should write a "how-to" on selecting a good Wi-Fi hacking strategy.
Welcome back, my neophyte hackers! I have already done a few tutorials on password cracking, including ones for Linux and Windows, WEP and WPA2, and even online passwords using THC Hydra. Now, I thought it might be worthwhile to begin a series on password cracking in general. Password cracking is both an art and a science, and I hope to show you the many ways and subtleties involved.
Need to protect a section of your overall flash content (say movie or slideshow) from unauthorized access, learn how to do so in this video.
If you've forgotten the password to one or more of the Windows XP accounts on your computer, take heart: This video tutorial will show you how to bypass, and then change, a Windows XP start-up password. For a detailed run through of this simple Windows log-in hack, watch this video how-to.
First things first: You can't actually recover a Joomla administrator password. That's because Joomla uses a one-way MD5 hash that prevents you from doing so. However, it is possible to reset your password.
Complex levels are a lot less, well, complex than they sound when you pay attention to this helpful drawing tutorial. The definition of complex levels is basically creating a three dimensional quality to your work with multiple planes and sometimes ground levels.
Learn how to set up an Epson printer wirelessly when you bring your new printer home you will want to start by installing the software that came with the new printer. You can set up your printer to work without wires and it will print from all over the house. There are 3 ways to set up the printer including the Epson way, with cables, and WPS. To determine is you need to use WPS, which is more complex, check your router to see if it has a sticker on it that says Wi-Fi Protected Setup. If that...
Having a secure password is essential in today's interconnected world. Hackers are just around the corner, and if you have an easy to guess or hack password that you use for all of your accounts, someone can login to all of your websites very easily. Look at this guide on how to create a strong password by following the right password rules so that your accounts stay secure.
In this video, we learn how to use secure online passwords. There are a ton of things to consider when creating a password. A weak password is something that someone can easily guess. If you are using a birthday, common dictionary word, child's name, or something common then you are at risk. Your password should combine letters and numbers, and be at least eight characters long. It should also be completely random and have upper and lower case letters. You can use a password assistant if you ...
My Blackberry TV demonstrates how to protect your Blackberry device with a password. Protecting your Blackberry with a password will help to stop people from accessing your personal information on your device. From the home screen, press the Blackberry menu key. Then, select the options choice. Next, scroll down to the password choice on the options menu. Select password and then select the set password button on the password screen. Enter your desired password and then press the enter key. V...
In this algebra video the instructor shows how to work with complex numbers. When you have a positive number under the square root, you can easily find its value by writing it in the form of product of numbers, and then solving. That is, to find the square root of a positive number, you can find another number which multiplied by itself gives the original number. This new number becomes the square root of the original number. But when you are asked to find out the square root of a negative nu...
This is a great instructional video on education. This educational video teaches you how to simplify a complex fraction with a single fraction on bottom. Let us learn this with an example. Let us assume we have to simplify the complex fraction 5 by x-4 divided by 5-4x by 5. When you simplify this you will get 5-4x over x divided by 5-4x over 5. You will now get 5-4x over x multiplied by 5 over 5-4x. This is equal to 5 over x. This is how we have to simplify a complex fraction with a single fr...
In this tutorial the instructor shows how to simplify complex fractions. A complex fraction is the same as a normal fraction, but has a fraction problem in the numerator and a fraction problem in the denominator. The first thing to do is arrive at a simple fraction both in the numerator and the denominator. To do this take the lcm of the denominators of the fractions in the numerator and simplify it. Similarly do this in the denominator. Now both the numerator and the denominator have a simpl...
Follow along as we are shown how to set a password for a new user in Windows 7. -First, go to the Start menu.
Watch this video to learn how to calculate the area inside complex figures--shapes composed of multiple smaller, simpler shapes. The first step is to break the shape into its simpler component shapes. Then, using the information you have about the large shape, find all information you can about the smaller ones: base, height, etc. Next, find the areas of the smaller component shapes. Finally, add the areas of each of the component shapes together to find the area of the complex shape. Now you...
Check out this instructional electric guitar video that shows you how to simplify complex riffs on the electric guitar. This is Season 3, Episode 26 of Dave Weiner's Riff of the Week series titled "Complex Riffs Made Easy." Dave Weiner is a Favored Nations recording artist, a G.I.T. graduate, and has been playing in Steve Vai's band since 1999. With this lesson and a bit of practice, improve your guitar playing skills by learning to simplify complex riffs and to improvise a little on the elec...
Complex levels is just a fancy name for multileveled, architectural structures in drawing. Complex levels drawing is used frequently by architects to help them envision and plan out the building, archway, walkway, and supports they'd like to build.
Feng shui out your drawing skills by doing something a little different this time: rather than focus on architectural buildings and stairways, why not sketch out a soothing garden to ease your tired soul?
If you can successfully and convincingly draw complex levels on a sheet of paper, then you can draw just about anything. Despite having been around for thousands of years, representative art only approaches reality and reflects it, rather than depicts a believable replica of it.
Here is a series of hot and complex sexy salsa dance patterns. This is a more complicated salsa pattern. It is a very long pattern, so take it in strides and small bites. We have named the individual moves to help you piece the entire salsa combination together.
Cable knits are sometimes considered too complex for hobbyist knitters to attempt, but this video tutorial from the folks at Make Magazine will introduce you to this classic technique. Pioneered in Ireland by the wives of fishermen, the look of cable knits actually reflects fishermen's ropes and other aspects of their lives. While cable knits look complex, in this video you will see that they really don't have to be that much more complicated to create then the patterns you're used to working...
This is an excellent video that covers creating a clear silicone rubber mold to deal with a complex parting line or irregular shape. When a project requires a complex parting line, it is often easier to pour the entire mold in one process with clear rubber, then cut your parting line. This process also saves at least a day in creating the mold. This process can be used in automotive, mechanical, fine art and film special effects uses.
Various ways to password protect a file or folder using Microsoft Vista are shown in this video. The first step is to choose a file you want to add a password to. After you decide on the file you wish to protect you must right click and select add to archive using Win Rar. After the file has been opened using Win Rar you can then select the add password option to begin encrypting the folder. After you type in the password of your choice you must select ok to finish attaching the password. Onc...
In this tutorial, we learn how to make a safe password. Passwords are essential, and need to be safe for when browsing around the internet. Other people aren't meant to be able to nose around your information, so protect your information with an indecipherable password. Don't choose a password that is easy to crack, never use personal information. A random number in the phone book isn't a good idea either, software used by hackers can crack these. Make sure your password is 8 characters long ...
See how to create complex surface shapes using Network Surface in Rhinoceronous 4. Whether you're new to Rober McNeel & Associates' popular NURBS-based modeling application or a 3D arts professional just looking to better acquaint yourself with Rhino 4's new features, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, watch this free video guide.
Fancify your slideshows with Apple Aperture 3. Whether you're new to digital photography or merely unfamiliar with Apple's Aperture 3, you're sure to benefit from this free video software tutorial from Lynda, which presents a thorough, step-by-step overview on how to set up complex slideshows within Aperture 3.
This video demonstrates how to set up a password for Microsoft Outlook. Begin by opening up Microsoft Outlook. Next, go to "GO" and scroll down the "Folder List." Click on this. Then right click on "Personal Folder" and then on "Properties." Next, you will need to click "Advanced" then "Change Password." You will then type your old password. This is your default password for your email. Next type in your new password. You will need type it in twice, so make sure you type it in correctly in bo...
Whatever your reasons for doing it, if you are trying to hack passwords, it helps to have the right software for getting the job done. With the Cain and Abel program, you will be well on your way to hacking even the toughest personal passwords.
Ever have the problem of people messing with your word documents? This guy shows you the solution by telling you how to create password protected encrypted word documents. The process starts with your open file. Clicking on save as... and in the popup window clicking the tools button in the bottom left corner and clicking general options. There it shows you text entry boxes, one for setting a password to open the file, another to set a password for rights to modify the file. Enter your passwo...
In this video you can learn how to simplify complex fractions. Look at the example in the illustration. To simplify this complex problem, you would first add the number 1 under the whole number in the denominator, to make it a fraction. Then change it from a division problem by simply inverting (flipping the numbers over) in the second part of the problem. Then multiply the numerators and the denominators across and simplify the problem further, if necessary. To simplify this complex problem,...
In this how-to, Gary Rosenzweig of MacMost.com takes a look at best practices for making and storing passwords. You should have a different password for every account, for example, use secure passwords and store them in using a security utility. Learn how to store your passwords securely with this tutorial.
This episode of Full Disclosure demonstrates how to hack/crack MD5 password hashes. MD5 (Message-Digest algorithm 5) is a hash function commonly used by websites to encrypt passwords. MD5 is a one-way hash; therefore, to crack the password you most try every possible dictionary word and if that does not work, every possible letter/number/symbol combination. The programs used to crack the passwords are Cain and MDCrack-NG.
Tired of hatching out the same boring triangles and squares? Want to bring your treasured shapes out of Flatland and into the third dimension? Then this tutorial is the answer to all your (drawing) problems.
Hacker's are always looking for new ways to exploit systems and exfiltrate passwords, even in hashed form. Sophisticated brute-force attacks powered by high-end GPUs can perform millions of password attempts per second. But Ubuntu and Debian users aren't completely helpless. There are ways to harden the hashed password to better defend against Hashcat attacks.
Complex fractions are fractions that contain a fraction in the numerator,the denominator, or both. You can use the Keep,Change,Flip method in order to simply these complex fractions.
Looking for an easy way to keep track of your various usernames and passwords? Let this video be your guide. With 1Password, a simple password Windows password manager, it's easy and this clip presents a complete, step-by-step overview of the process. For more information, including detailed instructions, and to get started managing your own account information, take a look.
In this tutorial, we learn how to password protect a folder in Snow Leopard on your Mac. First, go to the finder and click on "utilities". Now go to "file, new, disk image from folder". Now, you can select the folder you want and then click "image". Make it a read/write folder so you still can edit the files and enable the encryption. Save this, then it will ask you for a password. Create a password and then verify it. When finished, uncheck the "remember my password", then click on "ok". Now...
Have you ever wanted to own your own city? Well, now you can (on paper, at least). In this drawing tutorial, you'll be run through how to create a very three dimensional, believable Medieval style city using complex levels.
Spiral staircases are complicated enough to look at, so imagine how much hard work goes into replicating these twirly architectural wonders on paper. Though more difficult than drawing straight, normal staircases which mostly require straight lines, spiral staircases add interest to your drawing.