Cyber Security

Created by David Parkinson, Security Consultant at Sapphire Technologies
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What everyone's up to

Oct 11, 2020
Participated in a CTF
Participated in Cisco SecCon CTF 2020
Sep 21, 2021
Patched a VMware environment
Installed critical security updates
VMware published a pretty large vCenter security advisory today, VMSA-2021-0020. This includes a number of nasty vulnerabilities, including one (CVE-2021-22005) bearing a CVSSv3 base score of 9.8: 

A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.


Anyway, I've started patching my vCenter environments. You probably should do yours too.
Learning about cybersecurity
Published an article
🐣 Starting a new series where I'm presenting how you can safely grab the malicious code and by using various techniques like decompiling and deobfuscation to see what it is doing. In this series, you are going to see different approaches and solutions that are used to bypass antivirus and other threat defenses, learn how to approach payloads and hopefully recognize common patterns that are reused by malicious actors.

❓ What do you think about it? What specific topics are you interested in?


#CyberEthical #CyberKnowledge #CyberSecurity #hacking #pentesting #pentester #infosec #ethicalhacking #whitehat
Ethical Hacking Unraveler, CyberEthical.Me
Sep 18, 2021
Joined an Early Adopter Program
Ethical Hacking
Learning about cybersecurity
Building a Community
+ 2

Hello Polywork!

I'm a 30yo Senior Developer. In the free time, I'm actively promoting Ethical Hacking as a way to develop security awareness.
I'm bridging the distance between practical applications and theoretical knowledge, by publishing detailed hacking challenges write-ups, participating in CTF events and presenting step-by-step guides.

👾 Join Discord Server for live talks about everything related to the cybersecurity, with a focus on the hacking challenges, ongoing CTFs, learning tips and guidelines.

✒ Join CyberEthical blog for the methodical and well-crafted articles. This where most effort is currently being channelled into.

💼 Be up-to-date with my publications and more cybersecurity updates on LinkedIn.

🎁 Become Patron to have access to the draft versions of blog articles, voting on the incoming publications and participate in the exclusive monthly giveaways.

📷 Follow on Instagram to get notified about new articles, milestones, see backstage photos and also learn via shots of interesting facts & tips.

🐤 Follow on Twitter to see most recent cybersecurity related events like threats or CVEs but also more volatile professional development tweets.

Stay Secure! 
Ethical Hacking Unraveler, CyberEthical.Me
Reported an exploit
Reported a security bug to Salesforce and was recognised via their responsible disclosure program!
Participated in a CTF
Wrote Python
Reverse-engineered a program
Hacked a website
+ 2
I participated in this year's CSAW qualifying CTF. I didn't do much, but I succeeded at some binary exploitation, reversing some python, utilizing hashcat to crack some hashes and doing an easy web challenge. I also managed one of the harder web challenges - albeit after the competition ended. 
I greatly enjoy the CTF format that to me is like a bunch of bite-sized puzzles, forcing me to think about things I rarely get to think about 🤯