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.

Website Takedown with the "Slowloris DoS Attack"
By: Shaquib Izhar
April 12, 2018

  A DoS attack is a type of attack where an attacker can suspend services of a host or a website by sending a large amount of traffic and making request constantly from two or more computer or by sending a large number of the packet which makes ...

Bluetooth's War on Windows 10
By: shubhamg
April 12, 2018

Often it means to connect some gadgets with each other, and this is the very last option when you want to transfer files, and all other options are dead.We, humans, are moving very fast to an era which is wireless as many of us are moving towards latest gadgets like smartphone, laptop, tablet and many more, moving ...

Server Upgrades and Desktop Changes
By: Muhammad Ahsan Shakeel
April 11, 2018

In Windows Server 2012, Microsoft removed the Start button from the lower left. In R2 the Start button has been put back so you can access your application menu. You can still hit the Windows key to access your list if you’ve already gotten used to using it. If you’re not familiar with where the Windows key is, it’s to the left ...

Converter Alert! How to Move Non-Unicode PST to Unicode
By: rollinsduke
April 11, 2018

A Non-Unicode PST means ANSI file in MS Outlook. Outlook supports two file formats ANSI (lower version of MS Outlook) and Unicode (upgraded edition of MS Outlook). ANSI provides size limit of 2 GB whereas Unicode provides 20 GB support to Outlook PST files. Non-Unicode PST to Unicode converter is developed to upgrade ANSI files to Unicode ...

Top 5 CompTIA Certification Courses That Are Most Sought After
By: priyajatoliya
April 10, 2018

If you are a computer professional such as network administrator, software developer or systems engineer then there are some lucrative job opportunities that you are ducking all along while you have been working at your job – while being on the IT industry forefront, missing out on key skills that build a great career and greater pay ...

SysInternal: A Tool for Every IT Administrator
By: kunalgupta007
April 9, 2018

I will not be surprised if don't have any idea about Microsoft "Sysinternals". But it is not something that you should miss if you're working in Security/Networking/Linux as an Administrator.  Why Sysinternals? I know It is good to know all CMD Commands but sometimes you may get confused between ...

Encrypted Hard Drive Data Recovery Techniques
April 8, 2018

By Purushottam Shrivastava In order to protect email archives, payment databases and other important information many businesses and institutions use some type of encryptions, but using tools like EFS, BitLocker and Guardian Edge can greatly improve corporate security, but they can also create data access issues. ...

Hacking with Android: The Top Apps to Use
By: Sahad Mk
April 7, 2018

Dear Cybrarians,I'm writing this article after a while.Many of my friends asked me is hacking possible without having a desktop or laptop? I understood their frustration. So I decided to do a write-up on hacking with android applications. There are plenty of Android apps are available for you to use for hacking. So here I will introduce few of them ...

Repair Damaged Outlook PST File
By: ankitsajwan90
April 6, 2018

To repair damaged or corrupted PST files and recover user emails and other useful information from it, one needs to use Outlook PST Repair software. In this article, we will describe the scenario of repairing corrupt Outlook PST file in an easy and effective manner. As we know Microsoft Outlook is one of the ...

Installing OpenLdap in Ubuntu 14.04
By: sanjoy044
April 5, 2018

Install OpenLDAP In Ubuntu 14.04 About OpenLDAP OpenLDAP  is a free open source Light Weight Directory Access protocol developed by the OpenLDAP project. It is a platform independent protocol, so that it runs on all Linux/Unix like systems, Windows, AIX, Solaris and Android.OpenLDAP includes: ·         slapd  – stand-alone LDAP daemon (server) ·         libraries  implementing ...