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.

DDoS Attack Concept Explained
By: Zubair Ansari
June 4, 2017

DDoS attack: Every website is stored on a hosting server, and every hosting server has the ability to know how many users can visit the website at the same time that stored on the server.Suppose that www.nisareng.com is stored at Apache, and this server has the ability to serve 500 users a the same time. So, when ...

Pentesting Methodology from an Attacker's POV
By: binel
June 3, 2017

  In this article, I will use the term "pentester" or "attacker" for the same intent. The intent is to denote the one attacking the system. This means to compromise it by a hacker, or to secure it with a penetration tester.   ...

UNM4SK3D: ShadowBrokers, Chrome, and Google Play
By: Olivia
June 2, 2017

#dumpservice     Move over 'Wine of the Month Club,' there's a new subscription service in town. On May 30th, hacking group the ShadowBrokers announced their 'Monthly Dump Service' with a hefty pricetag of 100 Zcash (approximately $23,000 USD) monthly and instructions on how to subscribe. In case you've forgotten, the ShadowBrokers ...

Trump's Innovative Cyber Policy: "You have less than 90 days"
By: Thomas Callahan
June 2, 2017

TRUMP’S CYBERSECURITY EXECUTIVE ORDER If there is one person who approves of Trump’s recently signed executive order, its former president Obama.Why, you ask? A side by side comparison of Obama's and Trump's policy and it’s clear. Trump simply mandated compliance of Obama’s 2013 executive order within 90 days. While his tactic of “do what the other ...

Making Sense of Certifications: MCSA vs. MCSE
By: Olivia
June 1, 2017

In a recent post, I looked at the difference between the CSA+ and CEH certifications, and considering that security certifications are perhaps the most popular on the site, it seemed like the best place to start. The more I thought about it, the more I realized how many Cybrarians are also interested in entry-level IT skills, which will benefit ...

RAM Memory Forensic Analysis
By: Eliézer Pereira
June 1, 2017

RAM Memory Forensic Analysis 1 Goal The purpose of this article is to show how to perform a Ram memory forensic analysis, presenting some examples of information that can be retrieved and analyzed to help identify indications of security incidents as well as fraud and other illegal practices through information systems. 2 Good Practices and Techniques ...

Risk Management: The Uncertainty in Information
By: themindandbeauty
June 1, 2017

  We often use the word “uncertainty” to refer to a doubtful thought because there is a lack of information about what will or will not happen in the future so, we often use uncertainty and risk together. For example, when someone says “I am uncertain what grade I am going to get in the ...

How HR Fits in Cyber Security
By: themindandbeauty
May 31, 2017

Just because most of us work in the cyber security industry and have to abide by other security rules doesn't mean we are immune from HR violations. We must conform to our company's or organization's HR rules or we could risk being terminated. Human Resources does not just deal with sexual harassment, it deals with much more ...

WikiLeaks - The Good, The Bad & The Ugly!
By: mysticman2k
May 31, 2017

Wikileaks – The Good, the Bad & the Ugly! So just to start off – I’ll let you know that I’m a full supporter of the work and the activists that produce the public information provided by WikiLeaks. I have a lot of respect for the likes of Julian Assange and Edward ...

Which Security Certification is Right for You: CSA+ vs. CEH
By: Olivia
May 30, 2017

Many are drawn to the Cybrary site by a desire to learn security skills and extend their IT background into the cyber security industry, as jobs in this field are in high demand and can offer an exciting and rewarding career.The confusion arises when IT professionals are unsure of where to start in order to reach their end goal ...