Information Security
John Downey's user avatar
John Downey's user avatar
John Downey's user avatar
John Downey
  • Member for 13 years
  • Last seen more than a month ago
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About

VP of Information Security @ Root

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34
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Top posts
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All Questions Answers
Score Newest
answer
31
Hashing a credit card number for use as a fingerprint
Jul 17, 2014
answer
23
What is Reflected XSS?
Aug 11, 2014
answer
12
Does sending credit card info over email violates PCI DSS?
Dec 19, 2014
answer
11
SAML, and forcing a re-authentication
May 27, 2014
answer
10
How to get an "A" on Qualys SSL Labs with Apache 2.2?
Mar 17, 2014
answer
9
How can Stripe be PCI-compliant?
Jul 26, 2014
answer
9
Do I need a new CSR for a certificate renewal?
Jul 28, 2016
answer
8
What is the threat model for AWS EBS volumes encryption?
Nov 25, 2016
answer
7
Using a Public-Key-Encryption browser side to avoid PCI compliance
Aug 1, 2014
answer
7
With a very large number of GUIDs, can one predict the previous and subsequent GUIDs that will be generated?
Jul 26, 2016
Top network posts
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597
How do you format an unsigned long long int using printf?
129
What is the point of interfaces in PHP?
70
How do I index a database column
48
Internationalization in your projects
32
Adding a method to an existing object instance in Python

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