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David Sopas – Security Researcher

I hack and I love it!

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Checkmarx Security Research Team latest work

  • Interesting Readings
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Posted on August 16, 2018

Some of our work was published and I would like to share it here: ReDoS in Go Decrypting JobCrypter More coming soon in a web […]

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h1-search tool

  • Bug Bounty
  • Tools
Posted on August 16, 2018

Me and Paulo Silva wrote a simple golang tool to check full disclosures on HackerOne. Why? You can filter the results You can see ALL […]

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RFD Checker and Security Assessment Mindset

  • Tools
Posted on April 20, 2018

I recently published two repos on my Github account. One is RFD Checker, which I did with my colleague Paulo Silva, where it scans for […]

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Reflected File Download webinar

  • My Events
  • News
Posted on April 20, 2018November 23, 2018

On 13th March I did a webinar for Checkmarx showing in around 30 minutes what is and how you can exploit the web vector Reflected […]

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Checkmarx Security Research Team latest work

  • Interesting Readings
  • News
Posted on January 24, 2018

The team who loves hacking and learning new things have published more stuff: Tinder’s Lack of Encryption Lets Strangers Spy on Your Swipes JavaScript Secure […]

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BLE Driving 101

  • Papers
Posted on December 29, 2017December 29, 2017

I’m writing this article on my path of becoming a better researcher on IoT devices. My goal was to create a portable device that I […]

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Using UART to connect to a chinese IP cam

  • Papers
Posted on December 4, 2017

This blog post has been created for completing the requirements of the SecurityTube Offensive Internet of Things course. http://www.securitytube-training.com/online-courses/offensive-internet-of-things-exploitation/index.html Student ID: IoTE- 766 Following my […]

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Together we’re strong

  • Donations
Posted on November 15, 2017November 27, 2017

A few months ago, me and Luis had the idea to help the firefighters (true heroes) with a donation that could make their job more […]

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BSides Lisbon 2017 was awesome

  • My Events
Posted on November 13, 2017

BSides Lisbon 2017 was great \o/ It was my second BSides Lisbon (both as a speaker) and it’s amazing that the organization keeps improving this […]

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Guess who’s coming to BSides Lisbon 2017?

  • Meetings
  • My Events
Posted on October 11, 2017

… you’re right! This guy 🙂 After my presentation last year, I decided to submit again a talk to the best infosec event in Portugal […]

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