0P3N Blog

Cybrary’s Open Blog is a user contributed cyber security knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

Dark Web Search: Introduction and Instruction

By: Nihad Hassan
September 28, 2020
Nowadays, cyber threats are coming from everywhere, from both the surface and the dark web. For instance, many enterprises rely on information collected from dark web communities to predict future attacks against their IT infrastructure and information systems. The World Wide Web is composed of three layers: the surface, deep, and dark webs. The surface–or normal - web is ...

How to Learn Cybersecurity On Your Own

By: Jitendra Singh
September 28, 2020
It is high time for all to start learning cybersecurity. The number of nefarious actors is on the rise in cyberspace. The regulations on information security are still not mature. Cybersecurity defends good actors from malicious attacks and unnoticed crimes perpetrated by threat actors. The impact of these crimes is manifold and may not necessarily manifest as theft, pilferage, financial loss, ...

The AES Block Cipher: Advanced Encryption Standard

By: Md. Abrar Jahin
September 25, 2020
Advanced Encryption Standard (AES) is a block cipher designed with some inherent flexibility. It can use three possible block sizes of b=128, 192, or 256 bits, and can use three possible key lengths n=128, 192, or 256 bits. The diagram below describes the smallest variant with b=128 and n=128. A key length n=128 was considered to be secure against brute ...

Why Is It Important to Have Employee Training

By: Ravi Raj
September 25, 2020
It is typical that companies hire people based on the skills that they possess. But still, there is a lot that a new hire or an existing employee needs to learn and train themselves to align with the work culture and adhere to a company's values and standards. Besides, they need to be trained about the company policies to ensure ...

CISM Requirements

By: Doug Bonderud
September 24, 2020
Embracing the Infosec Imperative? Consider CISM Infosec remains a top priority for organizations as both data volumes and attack vectors expand. Tech Republic noted 89% of companies now point to widespread threats such as phishing and ransomware as their biggest security issues. In comparison, 53% said problems with unpatched systems are paving the way for potential attacks. The result? There's no ...
Every business needs improved cybersecurity, but that doesn’t mean it’s something that sells itself. In fact, many businesses see cybersecurity as a cost center rather than an investment. Security leaders themselves often have a hard time communicating the benefits of improved cybersecurity from a business perspective. For cybersecurity practitioners, the sales process might seem ancillary to their roles, or even ...

DevSecOps Pipeline: Deployment

By: Philip Kulp
September 23, 2020
Over the coming weeks, Cybrary will be posting a series of blogs that correspond with the newly released course, DevSecOps Fundamentals. This post is the sixth in a series covering core principles to assist in the automation of a secure pipeline. Securing the Development Cycle What Are We Defending? [Pipeline: ...
Today Cybrary is releasing the complete findings from our “Cybrary Skills Gap Research Survey and Report,” studying the challenges, perceptions, and impacts of the cybersecurity skills gap faced by security teams worldwide. In addition to our comprehensive survey report, we produced the below infographic to highlight some of the most significant findings from the study. Feel free to share ...

How to Get Started with Cloud Security

By: Vivek Soni
September 21, 2020
What is Cloud Computing? Cloud computing is the delivery of on-demand computing services over the internet or dedicated network. Its infrastructure is a pool of hardware or software elements like servers, data storage, software, networking, etc. It offers a lot of advantages, including but not limited to: Cost-saving: As storage, processing capability, etc. are outsourced, which benefits the business by ...

Top 10 OSINT Tools

By: Nihad Hassan
September 21, 2020
A few decades ago, gathering intelligence about your target required sophisticated techniques and large budgets. Nowadays, one can achieve the same result by just having a computer and an internet connection. In today's information age, people became more dependent on computing technology and the internet in their daily lives. For instance, people are using the internet to communicate with each other, ...