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.


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 ...


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 ...


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 ...


#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 ...


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. ...


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 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 ...


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 ...

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 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 ...