Image de profil de cothan
@cothan
Drapeau de Vietnam Dong Nai, Vietnam
Membre depuis 16 juin 2016
3 Recommendations

cothan

En ligne Hors ligne
I won prizes in security competitions, reversing, cracking, cryptography analyst. A Phd in Post Quantum Cryptography
$20 $ US / h
20 commentaires
4.6
  • 100%Travaux complétés
  • 100%Dans le budget
  • 98%À temps
  • 35%Taux de réembauche

Portfolio

Commentaires récents

  • image de danahmanchester Project for cothan -- 3 $80.00 USD

    “he provided great work in cryptography Thanks cothan,”

  • image de spala94 Cryptography problem solving $95.00 AUD

    “Excellent ! Easy to communicate with & delivered high quality work on time . I will definitely hire again in the future & I recommend him to anyone looking for quality work! :)”

  • image de kochs56 Project for cothan $200.00 USD

    “Thank you if I have any further questions, I will contact you. Really appreciate your efforts!”

  • image de kochs56 linux capturing Dynamic Forensics $160.00 USD

    “Thank you for your work.”

  • image de sabuqube Project for cothan $60.00 CAD

    “Use was excellent as always, well definitely hire again.”

  • image de asiach1004 Hash SHA and explain £13.00 GBP

    “Perfect Work Perfect Man will hire in knows his stuff”

Certifications

eCSI National Hero (2015)

BalaBit, SilentSignal

4th Place. You can verify it here: It's a security competition game, players have to find ways to exploit the server to get a flag. The winner is the one who hack the most server (the more server get hack, the game gets harder).

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