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.

OSINT with SHODAN
By: Sean Mancini
October 24, 2017

You may have heard the term OSINT(“Open Source Intelligence”). The basics are that you can use public sources to get information about a target during your recon. There are many tools that are available to perform this task such as Google, Maltego, SHODAN etc, one of the tools that really puts a perspective not only on what can be ...

Insider Threats are the Greatest Risk to your Data
By: superv3k900
October 23, 2017

Most companies have already hunkered down to prevent hackers from stealing proprietary data. Their security teams have almost certainly installed powerful firewalls. Some companies may have acquired robust security systems to protect themselves against ransomware, the malicious code that cybercriminals use to encrypt your data and hold it hostage until you pay a hefty ransom.The trouble is, there’s ...

Three Mistakes in Responding to Security Incidents, and What To Do Instead
By: superv3k900
October 22, 2017

It's all about time; responding promptly to the threat of any cyber incident is the most important part of any response. However, according to a recent white paper  (PDF) from security consultant Derek A. Smith: "Effective Incident Response Through User Activity Monitoring", organizations continue to make the same three potentially costly mistakes that could be costing them ...

UNM4SK3D: WPA2, ATMs, and RSA Keys
By: Olivia
October 20, 2017

#krack Devastating news for avid Wi-Fi users was released over the weekend when Belgian researcher Mathy Vanhoef of The Katholieke Universiteit Leuven discovered a weakness with the WPA2 protocol used to secure all modern Wi-Fi networks.  The weakness, which can be exploited by someone within range of the victim’s local network using key re-installation ...

How To Be Security Conscious
By: james8
October 19, 2017

With the revelations of the Equifax hack and the fallout of bad security practices elsewhere, it is noteworthy to revisit the topic of what security means to people and organizations. How to think about security is not only essential everywhere but often needs reminding within organizations that take security too lightly. ...

External IP Address Search Using Python Source Code
By: Bmsr256
October 18, 2017

This time, I'm providing a Python source code tool designed to fetch your external IP address from the Internet. This is used mostly when you're behind a NAT. It picks your IP randomly from a server list to minimize request overhead on a single server.You need to import re and random libraries for this tool to perfectly ...

How to View OST Files In All Outlook Versions
By: justin hansen
October 17, 2017

How to View OST File In Outlook 2016/13/10/07 and All Previous Versions Disclaimer: The entire write-up comprises of the methods to open, view OST file in Outlook or read OST files without Outlook. Moreover, the entire content primarily focuses on the methods to open OST files in Outlook 2016/2013/2010/2007 and below editions manually and by using ...

The Basics of Being an Ethical Hacker: مبادئ في الهكر الاخلاقي
By: Mohamed Abdellatif Jaber
October 16, 2017

مجال الهكر الاخلاقي   ·         هو العلم الذي يبحث في نظريات وسبل توفير  الحماية للمعلومات من المخاطر التي تهددها ومن أنشطة الاعتداء عليها . ·         هو الوسائل والأدوات والإجراءات اللازم ...

How to Crack a Lost Outlook PST File Password
By: magstephen08
October 15, 2017

If the Outlook PST files have been locked with a password, there's a chance that you lost or forgot the password. Now, password protected PST files are not of any use. If those PST files are locked and inaccessible, then users won’t able to read Emails, Calendars, Contacts, Notes, Tasks or Journal entries etc. If those PST ...

Big Data Hadoop Certification: Elevating Company Performance
By: michaelwarne
October 14, 2017

Big Data Hadoop has always been effective in helping organizations make decisions that are based on the comprehensive analysis for variables and data sets instead of simply taking up a sampling of data or an offbeat incident.  The Big Data Hadoop certification comes with the ability to process a large range of data sets that help businesses gain more ...