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.

Computer Viruses Explained
By: Shimon Brathwaite
June 16, 2021

Everyone who has used a computer has heard of a computer virus at one time or another. It’s the most popular term used when talking about online security but is often a misunderstood term. A computer virus is just one malware type. Malware is any software that harms a computer system against the owner’s wishes. When someone says that they ...

What is DataOPS?
By: Nihad Hassan
June 16, 2021

Digital transformation is rushing to occupy all business areas. In today's information age, organizations of all sizes and across all industries utilize digital solutions to facilitate work operations and enhance efficiency. The most apparent aspect of digitalization appears in the massive volume of digital data stored and processed by all organizations, from small to enterprise. Data becomes the lifeblood of organizations, ...

Top Nmap Tricks For A Vulnerability Assessment
By: Shimon Brathwaite
June 15, 2021

Nmap is one of the most accessible and most popular cybersecurity tools. It's the best port scanner on the market and open-source. It comes pre-installed in security-focused Linux distributions such as Kali Linux and Parrot OS. Nmap also comes as a python library, which can be used for implementing the functionality of Nmap in your computer scripts. While Nmap is ...

Detecting CobaltStrike Process Injection with QRadar
By: Owen Dubiel
June 15, 2021

CobaltStrike is one of those tools that you shiver at the potential power it holds when you hear its name. Its original use was a penetration tool primarily used for spear-phishing tactics, access to systems, and various other testing methodologies. Security teams must have a reliable way to detect its presence within their environment. Whether it is a planned pentest ...

Business E-mail Compromise (BEC)
By: Nihad Hassan
June 14, 2021

The digital revolution has brought many benefits to our society. One of the early innovative technologies was e-mail, which has become an imperative method of business communication. E-mail is fast, cost-effective, accessible, and convenient. By using e-mail, businesses can efficiently and reliably transfer electronic data (MS Office documents, photos, and data sheets). Despite the great benefits of e-mail, it is still ...

NotPetya: Its Consequences
By: Gabriel Schram
June 14, 2021

NotPetya is widely known as one of the most devastating variants of malware in history. The impact of it was felt particularly in Ukraine, but its area of effect was global. The success of this cyber attack was significantly due to the release of a 0-day exploit called EternalBlue. In this case, it was a 0-day vulnerability in Windows systems. ...

Cybersecurity Skills Gap Analysis
By: Darcy Kempa
June 11, 2021

A skills gap analysis is one tool that can be used to improve an organization’s cybersecurity position. It is a measurement between a current level of performance and a desired level of performance. While the analysis will focus on employee skills, it can uncover problems with a company’s policies, hiring practices, or training programs. This analysis can be time-consuming, but ...

Most Valuable AWS Cybersecurity Certifications
By: Shimon Brathwaite
June 11, 2021

Amazon Web Services (AWS) is one of the biggest cloud provider platforms on the market. The company itself has been growing at a very impressive pace, which will likely continue well into the future. Therefore, if you're trying to be strategic about your career, having a good understanding of AWS will be very helpful if you want to get into ...

What is Data Leakage?
By: Nihad Hassan
June 10, 2021

The digital revolution has impacted all our life aspects; the proliferation of computers and internet technologies is now evident in organizations of all types and across all industries. The most apparent evidence of digitalization was the massive increase in digital data. For instance, nowadays, most data are created digitally and never find their way into papers. According to Seagate, by ...

K-12 Cybersecurity
By: Page Glave
June 10, 2021

Fifth grade (K-12) school districts are experiencing increasing cyber-attacks, especially in light of increased virtual learning due to the COVID-19 pandemic. From distributed denial of service attacks to ransomware, school districts are under a wide variety of attacks. Since 2016, districts in the United States have experienced more than 1,000 attacks. Cybercriminals are finding many school districts to be attractive ...