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/john.peñafiel/

/john.peñafiel/

Security Researcher | Software Developer

Inquisitor – A Footprinting Approach

Open Source Intelligence (OSINT), or more precisely, the use of open source intelligence sources to profile the internet exposure of organisations (i.e. footprinting), is one of my favorite…… Read more “Inquisitor – A Footprinting Approach”

July 14, 2017August 19, 2017 by penafieljlm

picoCTF 2017 Write Up

Hello there, ladies and gentlemen. It seems I haven’t written anything on this blog for a while. For those of you who think I’m already dead: I’m…… Read more “picoCTF 2017 Write Up”

May 1, 2017July 14, 2017 by penafieljlm

Password-based Database Encryption

I’ve recently started doing some web application development again after stumbling about in the world of Information Security for the past two years of my career, and…… Read more “Password-based Database Encryption”

December 30, 2016July 14, 2017 by penafieljlm

Hack the Vote CTF 2016 Write Up

Okay. Super late write up right here. Anyway, as you, dear reader, may not be aware of, me and some friends participated in the Hack the Vote…… Read more “Hack the Vote CTF 2016 Write Up”

December 14, 2016July 14, 2017 by penafieljlm

EKOPARTY CTF 2016 Write Up

Me and my colleagues have been participating in a bunch of Capture the Flag (CTF) events lately. If you don’t know what CTFs are, they’re basically Information Security…… Read more “EKOPARTY CTF 2016 Write Up”

October 29, 2016July 14, 2017 by penafieljlm

whoami

Would you look at that. It’s my first post. I guess this would be a good opportunity to introduce myself. I am John Lawrence M. Peñafiel – I.T.…… Read more “whoami”

September 12, 2016July 14, 2017 by penafieljlm
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