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.

Advance Your SOC Career
By: Tatianna
May 3, 2018

The Education/Experience Balancing Act: Advancing Your SOC Career Hard numbers make it clear: The cyber security skills gap is real — and growing . By 2020, estimates suggest an infosec shortfall of almost two million IT professionals as companies look to shore up network defenses and respond to emerging cyber threats.The good news? Now is ...

Red Hat System Administration: Automation using Cobbler
By: variiable
May 3, 2018

Cobbler is a Linux installation server that allows for rapid setup of network installation environments. In this OP3N post, we’ll look at how to setup and configure Cobbler to be utilized in our network environment. This could be a little complex at first, but it helps a lot with installations, all you need is to integrate new packages in ...

7 Best Cyber Security Penetration Testing Tools
By: Dr. Michael J. Garbade
May 2, 2018

With the current proliferation of attacks on computer systems, proactively safeguarding your critical IT infrastructure is key. And, one of the best techniques for companies and individuals to protect themselves is through penetration testing. Penetration testing (or pen testing) refers to the technique of assessing the security of IT systems with the intention of discovering vulnerabilities—before attackers identify them. ...

A Methodology for the Study of DNS
By: ITSimeon
May 2, 2018

A Methodology for the Study of DNS Simeon Miller Abstract The evaluation of model checking that would allow for further study into spreadsheets has visualized the Internet, and current trends suggest that the improvement of IPv6 will soon emerge. Given the current status of concurrent configurations, physicists particularly desire the construction of scatter/gather I/O ...

How to Secure Small Businesses
By: Tatianna
May 2, 2018

Secure Your Small Business With Affordable and Practical Cyber Security Training “Cyber security education and training should be free for everyone, especially for small businesses,” suggested the witnesses who testified before the Senate small business committee. With data breach incidents at large companies such as Home Depot, Target, Equifax dominating the headlines, it is easy for small ...

The Influence of Autonomous Configurations on Complexity Theory
By: ITSimeon
April 30, 2018

The Influence of Autonomous Configurations on Complexity Theory Abstract In recent years, much research has been devoted to the understanding of linked lists; on the other hand, few have constructed the emulation of local-area networks. After years of key research into write-back caches, we confirm the private unification of agents and digital-to-analog ...

Free File Converter Tool for Exchange Users
By: jameslee
April 30, 2018

OST to PST Converter becomes your primary need if you are shifting from one email client to another updated version of the email client. I would like to share the best OST to PST Converter tool  with intelligent features that can get your lost OST mailbox items including inbox, outbox, sent items, deleted items, drafts, contacts, calendars, notes ...

How to Check for SQL Database Corruption?
By: robinshanab
April 30, 2018

SQL Database is an integral part of the business. When a SQL database is deployed at a location, you may hear comments from end users such as “Database is running slow,” or “The database is not responsive” or “it hangs.” Though these are generic terms, the problem arises due to SQL database corruption. Massive databases are not easy ...

Unix System Resilience
By: Palita2018
April 29, 2018

1 Resilence for a System After evaluating the risk of a Data Breach with a relative penalty in EU zone (4% of the annual worldwide turnover), then Decision Makers must run for cover and use for example the defense in depth composed by three elements: employees: who are educated and can ...

SickOS 1.1 Capture the Flag Walkthrough
By: aisherwood
April 29, 2018

Overview CTF Objective : Get /root/a0216ea4d51874464078c618298b1367.txt OVA link : https://www.vulnhub.com/entry/sickos-11,132/ Tools and commands used : Netdiscover, Nmap, Nikto, Metasploit, NC, curl, SSH To start, I ran Netdiscover to find the IP of the SickOS box. From the output, we ...