Cyber Security is the protection of internet-connected systems such as hardware, software and data from cyberthreats. The practice is used by individuals and enterprises to protect against unauthorized access to data centers and other computerized systems.
Lab – Compare Data with a Hash
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In this lab, you will generate a hash for a file and use the hash value to compare the integrity of a file.
In this lab, you will explore legal agreements required to use various online services. You will also explore some of the ways you can protect your data. Lab - Who Owns Your Data
GNU LibreJS aims to address the JavaScript problem described in Richard Stallman's article The JavaScript Trap . LibreJS is a free add-on for GNU IceCat and other Mozilla-based browsers. It blocks nonfree nontrivial JavaScript while allowing JavaScript that is free and/or trivial. Downloads Installer It will add LibreJS to GNU IceCat or any Mozilla browser. You just need to give it the permissions it requires. Latest installer LibreJS is also available at the Mozilla Add-ons site . Due to Mozilla's review process, the version of LibreJS available at the Add-ons site is often outdated. This isn't in our control. As with all Mozilla add-ons, disabling or removing LibreJS can be done without restarting the browser, via the Tools/Add-ons menu. This is even simpler in IceCat: the front page has a switch to enable and disable LibreJS. Source files They can be found on the main GNU download server ( HTTPS , HTTP , FTP ), and its mirr...
The JavaScript Trap by Richard Stallman There are two kinds of moral wrongs a web page can do. This page describes the wrong of sending nonfree programs to run in your computer. There is also the wrong we call SaaSS, “Service as a Software Substitute” where the page invites you to send your data so it can do computing on it in the server—computing which is unjust because you have no control over what computing is done. You may be running nonfree programs on your computer every day without realizing it—through your web browser. Webmasters: there are several ways to indicate the license of JavaScript programs in a web site. In the free software community, the idea that any nonfree program mistreats its users is familiar. Some of us defend our freedom by rejecting all proprietary software on our computers. Many others recognize nonfreeness as a strike against the program. Many users are aware that this issue applies to the plug-ins that browsers of...