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.

Strategies To Win A CTF: How To Approach A Jeopardy Style CTF
By: Nafeel Ahmed
August 12, 2020

What is a CTF? CTF stands for Capture The Flag. It is a kind of competition or game which hackers enjoy to compete and play. Hackers are either competing to win a prize in a big competition (e.g., Google CTF) or practicing to polish their skills. There are three main and most popular types of CTF categories. What are the ...

AWS Certified Engineering Career Paths
By: Charles Owen-Jackson
August 11, 2020

How to become an AWS-certified engineer Which AWS certifications can help you further your career in cloud computing? With more business operations taking place in hosted environments, cloud-computing skills are in enormous demand. Whether you’re looking to advance your career or jump into a new space, choosing the right certification can open the path to many exciting and highly profitable ...

UAV Forensics Analysis
By: Navid Kagalwalla
August 11, 2020

Digital Forensics’ Latest Challenge: UAVs Unmanned Aerial Vehicles (UAVs), also referred to as drones, are aircraft piloted by remote control or on-board computer designed for use in several environments such as security, disaster response, construction monitoring, agricultural mapping, and even recreation. According to a Gartner forecast [1], drones' production and shipment for personal and commercial use is growing rapidly with ...

What is a Side Channel Attack?
By: Adhirath Kapoor
August 7, 2020

To the eyes of the uninstructed, the term cryptography seems like an entity involving numerical calculations and common algorithms like DES, RSA, and the others. Initially, the cryptographic algorithms appear to be implemented inside a black box, but in reality, the black box plays a very important role. With most algorithms becoming more secure and almost impossible to break, malicious ...

Top Microsoft Cloud Certifications To Advance Your Cybersecurity Career
By: Charles Owen-Jackson
August 7, 2020

Whether you're a newcomer to the cloud or looking to level up your skills and advance your career, obtaining the right certifications can make all the difference. They open the door to lucrative new opportunities, with certified professionals often reaching six-figure salaries. A great way to prove your expertise is to follow one of the new role-based Azure Certification Paths ...

Protecting the Active Directory - The Keys to the Kingdom
By: Navid Kagalwalla
August 7, 2020

Active Directory is a Microsoft technology developed as a directory service for Windows domain networks. It forms one of the most critical aspects of an organization's infrastructure. It is used to manage computers and other devices by logically dividing user accounts into groups and subgroups based on the level of access control required. Active Directory provides authentication, authorization, and configuration ...

White Box vs Black Box Penetration Testing
By: Harguilar Nhanga
August 6, 2020

In recent years, information is being exchanged at an unprecedented rate, and companies are always looking for a way to safeguard their digital data. They are often looking for ways to understand whether or not their systems are secure enough to withstand an attack. To find potential security holes (vulnerabilities) and determine the likelihood of potential compromise, they perform ...

Exploit Vulnerabilities Trends in 2020
By: Nievedha Karthikeyan
August 6, 2020

An exploit is a software or code sequence that takes advantage of an error or a vulnerability, typically for malicious purposes. The exploit provides a backdoor access to the network or computer through the installation of malware. An exploit, when identified, can be fixed with patches. Exploits that do not have existing patches are known as zero-day exploits. Exploits are usually ...

"Intermediate PC Security" Course Summary
By: Hiroshi Keing
August 5, 2020

What is PC security in a nutshell? PC security applies protection layers to an endpoint computer's underlying components within a corporate environment to protect and defend one of the largest attack surfaces in a company. PC security takes considerations from components that essentially do their processing. The basic input and output system (BIOS), which has threats that are ...

Ransomware Evolution and Prevention
By: Javier Olivo García Araque
August 5, 2020

Ransomware - everyone talks today about this threat. Some believe it is a new cyber-delinquency weapon, an APT development, or a simple virus that could access our computer if we visit suspicious sites on the internet or the deep web. But who says ransomware is a virus? Where did it appear the first time? Is it used only by ...