Jack

@jackhcable

iOS developer turned ethical hacker. #22 security researcher on cobalt.io.

Joined May 2015

Tweets

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  1. Jun 1

    In May, I submitted 26 vulnerabilities to 19 programs on (gained 169 rep).

  2. May 22

    Yay, I was awarded a $1,000 bounty on !

  3. Apr 1

    In March, I submitted 8 vulnerabilities to 3 programs on (gained 108 rep).

  4. Retweeted
    Feb 1
  5. Retweeted
    Jan 31

    Smart Ride — Order an Uber without a smartphone

  6. Jan 31

    Check out Smart Ride on : Order an Uber without a smartphone

  7. Jan 27

    Hit 1000 reputation + 50 bugs found on today with a critical :)

  8. Retweeted
    14 Dec 2016

    Order an without a smartphone:

  9. Retweeted
    22 Aug 2016
  10. Retweeted
    11 Aug 2016

    The bug bounty program is now live on Cobalt. -

  11. 4 Jul 2016

    How many submissions do you have on ? ... completing the triangle :)

  12. 1 Jul 2016

    Thanks for this awesome coin! Binary is 'I hacked the pentagon' :)

  13. Retweeted
    27 Jun 2016
  14. Retweeted
    6 Jun 2016
  15. Retweeted
    5 Jun 2016

    Want to dominate your league? Use DraftMetrics to draft your dream team. Enter your email at .

  16. 10 May 2016

    Publicly disclosed CSS injection in … You wouldn't believe how hard it was to find CSS that fit :)

  17. 5 May 2016

    Hit the top 25 all time on after 6 months of !

  18. Retweeted
    21 Apr 2016

    HackerOne disclosed a bug submitted by cablej: - Bounty: $500

  19. 12 Apr 2016
  20. Retweeted
    31 Mar 2016

    BREAKING: announces registration details for Bug Bounty and partnership with

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