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.



This blog is by Knogin blog. Reposted with permission. A new security threat has emerged, this time for Android OS, making mobile security researchers scratch their heads for the past few months, the malware is called xHelper.The malware has already infected more than 45,000 Android devices in just the last six months and is continuing to ...


This blog is by Knogin blog. Reposted with permission. Summary Researchers from MalwareHunterTeam have spotted a new variant of ransomware called FuxSocy; this malware impersonates the known Cerber ransomware. It operates by encrypting the data you have on the computer, changes the file, and its extension to a random one; then, it demands a ransom ...


This blog was originally posted on Knogin blog by author Anna Codina. Reposted with permission. (By the way! If you'd like to keep a hard copy of this guide, you can also download the Ultimate Cybersecurity Quick Guide for Students for ease of use.) Different Ways You Could be Compromised ...


This blog was originally posted on Cisco Security Blog by author John Stewart. Reposted with permission. October is Cybersecurity Awareness Month and for me, it’s a time to reflect on where we’ve been and how far we’ve come, study the trends and challenges we face today, and look ahead to the next generation of ...


Probably, all SOC (security operations center) analysts are dreaming of seeing their detecting rules identify and block the sophisticated techniques of pro-government APT groups, and investigations lead to the discovery of exploits that use zero-day vulnerabilities. Start FREE Virtualization Management Course >> Unfortunately (or fortunately), the majority of incidents are much less romantic: ...


Throughout the day, I had some infuriating internet outages that forced me to create persistent ssh tunnels with autossh (Linux only), so I can get my tunneled connection back when Cox goes back up. We are covering 5 different ways to use a double TCP-to-Reverse-SSH tunnel productively: Remote Access To A Linux Machine at Home ...


You can feel it in your bones, the little voice in the back of your head is especially loud today. Self-doubt begins to rear its ugly head, the impostor syndrome is vigilant today, and all you want is some peace.This, my friends, is what is called burnout. It is a real condition that can cause both physical and mental ...


Today’s economy is a digital one, and a big part of that is thanks to the emergence of credit and debit cards. We may not yet be an entirely cashless society, but try to book a concert ticket in advance or order a product from the other side of the world. It will soon become apparent how much we ...


An endpoint is one end of a communication channel. For example, when one system communicates with another, the point of communication occurs on both endpoints. Endpoints are a gateway into a network or an application. Consequently, they are one of the most vulnerable elements in an application’s architecture, and bad actors commonly use them as an entry point to launch ...


CYBRARY RECOGNIZED IN SC MEDIA REBOOT LEADERSHIP AWARDS MASTER INSTRUCTOR KEN UNDERHILL WINS OUTSTANDING EDUCATORS LEADERSHIP AWARD FOR HIS DEDICATION TO TRAINING OVER ONE MILLION SECURITY PROFESSIONALS COLLEGE PARK, Md. – September 23, 2019 – Ken Underhill, Master Instructor at Cybrary , has been named a winner in the third-annual SC Media Reboot Leadership Awards, ...