0P3N Blog

It seems the title of the previous post in this series threw a few people. I suppose it serves me right for flirting with a click baity title. The point I was attempting to make was that though mobile app development has a lot of allure as a road to fame and riches, the reality is much starker for ...

  Estimated reading time: 6 minutes Cryptography Part 2: An In-Depth Review PKI (Public Key Infrastructure): - CA (Certificate Authority) The CA stores issues, and signs the digital certificates. - RA (Registration Authority) Verifies the identity of entities requesting their digital certificates to be stored at the CA. - ...

Project management is the application of processes, methods, knowledge, skills and experience to achieve the project objectives. A lifecycle defines the inter-related phases of a project; a program or portfolio provides a structure for governing the progression of the work.There are the  seven phases  in the project management lifecycle. Concept phase - an initial idea ...

In my recent post, ‘How to get TCP/IP Certified’ I offered some guidance on how you go about obtaining a certification on Cybrary. I first discussed the three general steps and then turned my focus to the TCP/IP Micro Certification specifically.It made logical sense to then consider what to do with your certification once you’ve earned them. Of course, you ...

This is a web application attack surface where the payloads are permuted to penetrate the Application Server. Before carrying the payloads, the pre-requisite is getting possible map or structure of an application. And the sitemap can be reviewed by either active or passive spidering. There are certain tools available for crawl or spidering of a ...

You need to be able to explain the findings, rate the vulnerabilities, and explain how the results will affect the customer in the real world. It's important that the client can understand the end report, reproduce exploitation and effectively implement remediation.Best practices: Rate your vulnerabilities Theoretical vs. Real Findings: do not mark findings as critical ...

Here is a simple tutorial on basic virus creation using Metasploit and msfvenom. More lessons and blog posts with cheat sheets can be found on my website, https://poppoppopanotherserverdrops.com/

Hi, guys.I'm here today to talk about how you can run Linux from a USB flash drive.If you are just starting with Linux and you are not sure you want to install Linux on your PC, or you aren't able to because it's a shared PC, etc., you can run Linux from a USB flash drive.  You will just need some Linux ...

#DNS Someone was really craving fish. That's the only logical explanation for why an unnamed university's vending machines and other IoT devices were making seafood-related DNS requests every 15 minutes. This case, which comes from Verizon's recently released Data Breach Digest is just one of 16 cautionary tales making headlines. ...

The allure of becoming rich and famous from publishing a viral mobile app can be pretty strong. A lot of people see mobile app development as the fast track to living the life of a Silicon Valley entrepreneur. Not to crush anyone’s dreams, but a healthy and sobering dose of reality should be the first order of business prior to ...