0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

The Most Underrated Packet: The Probe Packet
By: Terumo
July 9, 2018

What are Probe Packets? Probe packets are usually ignored (really, if you ask around, most people never heard of them), but almost everyone uses them. If you have ever used wireless Wi-Fi, then you have used them!Probe packets are packets that each device sends automatically, from time to time, searching all around to see if X-known network ...

What is Artificial Intelligence?
By: Jessica
July 8, 2018

Artificial intelligence, or AI, has long been portrayed in entertainment like films and television shows as human-like robots that are either serving humans or taking over the world. Those portrayals, however, are actually over-generalizations that fail to show the many facets and forms of artificial intelligence that we’ve all interacted with in some way in everyday life, whether we ...

Can You Picture Yourself Becoming a Network Engineer?
By: ginasilvertree
July 6, 2018

Can you picture yourself becoming a Network Engineer? If  yes, why is that? Well, it might just feel right (which is awesome), but let’s start by exploring and articulating some data and facts that might support your potential “whys” for pursuing a Network Engineer career path . You’ll Be Valuable to Your Organization Your role ...

Important Strategic Ways to Improve Project Management Skills
By: jamesjon12
July 5, 2018

Work is always given priority and is planned well in advance. This helps get projects completed on time and with rigor. But for every project to be successful, you need a strategy in place. If there is no strategy, then you will not be able to achieve your goal. Being lax on strategy will not ...

USB: Universal Serial Bus Explained!
By: Priyank Gada
July 5, 2018

In this article, we are going to talk about USB, i.e., Universal Serial Bus. People might think it is easy to understand, which is not the case. USBs can be hard to understand, especially if we talk about types, i.e., USB Type A, USB Type B, USB Type C, etc. ...

How to Use NIST's Cybersecurity Framework
By: isec-headache
July 4, 2018

The United States has – with much effort – developed an effective cybersecurity framework. This has been carried out by the National Institute of Standards and Technologies (NIST). The latest version was released in 2017, three years after its 1.0 publication. Most people in the information security arena have heard about NIST, but often times, we hear about ...

Studying for GPEN Certification!
By: zach
July 4, 2018

Here are some tips for studying for the GPEN Certification that helped me successfully pass the exam: Resources Used I o nly used the SANS books. As the professor says on day one of training, "EVERYTHING you need to pass the exam is in these books." He was right. I honestly think time spent using ...

Fix 0x800cc0b Errors in Outlook 2013: Resolving SMTP Issues in Outlook
By: techalphy
July 3, 2018

Finding a solution to fix 0x800cc0b errors in an Outlook account is not a difficult task. The following article describes the solution to fix Outlook SMTP issues that result in problems in receiving and sending messages in an MS Outlook mailbox. Microsoft Outlook has always been the most preferred email client. It is very popular among business ...

The Best Free Tool in 2018 to Merge PDF Files
By: sherry098
July 3, 2018

In this digital world, most people are dependent on electronic PDF documents either for sharing data or for communication purposes. PDF files serve as important resources in many companies for communication purposes. Sometimes, due to the large collections of these documents, users face some file management issues or cannot find a suitable solution to combine multiple PDFs into one. ...

How to Convert Multiple Emails to PDF Format from Outlook with Advanced Procedure
By: charlesskadams
July 2, 2018

It is a fact that the changing of emailing apps is a very tough process for commercial and home users. Although frequently, it is needed for commercial users, sometimes, it becomes a necessary task for home users. But the major problem is deciding how to export Outlook folders to PDF or how to convert multiple emails to PDF ...