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.

Why Do We Need Inter-Vlan Communication?
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January 1, 2016

Let me explain, i know vlans separate broadcast domains and one of the reasons for using it was to separate communications between devices in different vlans, if so then why do we need inter-vlan communications, doesn't that contradict the use of vlans? Not really, Generally when they are talking about inter-vlan routing, they are talking layer 3. When talking about broadcast ...

Who Are Script Kiddies?
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January 1, 2016

Hello. Skimming through a blog, was a post saying "For all you script kiddies out there who want to hack a fb account" and attached a packet sniffer. The question is Who are script kiddies? Are they ones who can only run apps? Or those who can't code them? I mean do I have to know to code a vulnerability ...

Which One Need To Take CEH V9 312-50 VS V10 312-50 Certification Exam?
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January 1, 2016

I bought the exam voucher 3 months ago, still haven't given 312-50 V9 exam. I was gonna schedule it a few weeks ago, when EC-Council announced v10. EC-Council support gives me vague answers, they keep saying follow the blueprint online which is v10 means that I should take 312-50 V10 exam. Bad news for me because I have no source ...

Which Is Correct Exception Or Exemption?
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January 1, 2016

I am trying to understand which wording should i use when establishing the risk waivers. I am used to use Exception but i see that that might be wrong :) Can someone with more knowledge explain the difference? Honestly, For the purpose of a Risk Waivers then can be used interchangeably, however, I personally would prefer the use of the word ...

Which Certification Is The Best In IT Security Field?
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January 1, 2016

As far as I know, CISSP is one of the most recognized certification in the industry. I have just started my job as Information Security Consultant. I have CEH and studying for GWAPT now (as my company mainly doing web penetration testing). Next should be GPEN. However, if I wish to further my study, what should be next? Hard to say, ...

Where To Find Cisco Packet Tracer Sample Used To CCNA Course?
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January 1, 2016

I wonder if it is possible to downloaded Cisco Packet Tracer sample of network used for CCNA course? hii You would have to download Packet Tracer, then create the network as you see it in the course. Will give you plenty of practice in setting it up and troubleshooting any issues. You can download in link: https://getintopc.com/softwares/network/cisco-packet-tracer-6-1-free-download/ there's a newer version on the cisco ...

Where Can I Find - Cyber Security Project Ideas?
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January 1, 2016

I am posting this question here because it is one of the open source website for giving free and lot of security people keep in touch.I would like to know or find out for doing projects in cyber security field.So I would like to know where can I find project ideas/or based on some problems - solving stuff....How can I ...

What's The Difference Between Implicit Deny And ACL ?
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January 1, 2016

In the 5.5 Firewall course, both Implicit Deny rules and ACL were described as a way to filter traffic, but what's the difference between them ? The ACL is the entire list of rules. The Implicit Deny is just one rule in the ACL that blocks all traffic that is not explicitly allowed. If your firewall rules looked like this: Action\\\\\\Source\\\\\\\\\\\\\Destination\\\\\\_Port ...

What Programming Languages Should A Hacker Learn?
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January 1, 2016

What programming languages should a hacker learn? and to become a C|EH. I've read a lot of hackers learn python, javascript and HTML, javascript and HTML for web attacks and python for scripting I'm personally learning Python first because its a good intro language CEH is a multiple choice test. I do not have the certification, but I think that you do ...

What Other Courses To Take For Sec+ CE Credits?
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January 1, 2016

I just finished the Security+ class, but I still need about 15 more credits to renew my Sec+. Which classes would be best to take? I really liked the Cybrary Cryptography course. In fact, I used that course as part of my studies for passing the Security+ exam. The Cryptography course here is about 3 hours long and good for 3 ...