Writing secure software and keeping it secure - Workshop

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GDS Michael Brunton-Spall I work for the Government Digital Service

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GDS Michael Brunton-Spall This guidance is in alpha

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GDS Michael Brunton-Spall Security vs Information Risk

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GDS Michael Brunton-Spall What are the threats?

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GDS Michael Brunton-Spall Data loss and theft

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GDS Michael Brunton-Spall 7 GDS Michael Brunton-Spall http://www.informationisbeautiful.net/visualizations/worlds-biggest-data-breaches-hacks/

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GDS Michael Brunton-Spall http://zed0.co.uk/crossword/

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GDS Michael Brunton-Spall Criminal users on the internet

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GDS Michael Brunton-Spall "FBI Fraud Scheme Zeus Trojan" by FBI. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:FBI_Fraud_Scheme_Zeus_Trojan.jpg

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GDS Michael Brunton-Spall Advanced Persistent Threats

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GDS Michael Brunton-Spall 12 GDS Michael Brunton-Spall https://www2.fireeye.com/fin4.html

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GDS Michael Brunton-Spall http://securelist.com/blog/research/66779/the-darkhotel-apt/ http://blog.kaspersky.co.uk/darkhotel-apt/ 13 GDS Michael Brunton-Spall

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GDS Michael Brunton-Spall How do we deal with this?

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GDS Michael Brunton-Spall Traditional model

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GDS Michael Brunton-Spall

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GDS Michael Brunton-Spall How do we deal with changes?

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GDS Michael Brunton-Spall 18 GDS Michael Brunton-Spall

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GDS Michael Brunton-Spall Agile changes everything

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GDS Michael Brunton-Spall A security nightmare!

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GDS Michael Brunton-Spall How can we deal with it?

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GDS Michael Brunton-Spall The UK Government published 8 principles https://www.gov.uk/government/publications/principles-of-effective-cyber-security-risk-management

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GDS Michael Brunton-Spall Accept uncertainty

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GDS Michael Brunton-Spall Security as part of the team

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GDS Michael Brunton-Spall Understand the risks

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GDS Michael Brunton-Spall Trust decision making

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GDS Michael Brunton-Spall Security is part of everything

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GDS Michael Brunton-Spall User experience is important

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GDS Michael Brunton-Spall Audit decisions

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GDS Michael Brunton-Spall Understand big picture impact

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GDS Michael Brunton-Spall Let's get practical

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GDS Michael Brunton-Spall Automated Penetration Testing

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GDS Michael Brunton-Spall The bare minimum level

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GDS Michael Brunton-Spall Embed security on the team Audit decisions

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GDS Michael Brunton-Spall Example: https://github.com/bruntonspall/security-workshop https://github.com/continuumsecurity/bdd-security

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GDS Michael Brunton-Spall nginx Web UserApi PaymentApi

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GDS Michael Brunton-Spall What about big picture impact?

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GDS Michael Brunton-Spall Most information disclosure risks are business process

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GDS Michael Brunton-Spall Can a case worker add/replace bank account details with their own details

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GDS Michael Brunton-Spall … without getting caught?

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GDS Michael Brunton-Spall Can we automate this?

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GDS Michael Brunton-Spall Misuse cases

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GDS Michael Brunton-Spall As a fraudster, When I submit a fake claim for £1000, A payment for £1000 gets authorised

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GDS Michael Brunton-Spall Executed like other user acceptance tests

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GDS Michael Brunton-Spall Give confidence that a story hasn't had an impact elsewhere

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GDS Michael Brunton-Spall Gives confidence in business process

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GDS Michael Brunton-Spall Example:

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GDS Michael Brunton-Spall We're still learning, so let us know if this works for you or not

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GDS Michael Brunton-Spall Michael Brunton-Spall Technical Architect Government Digital Service @bruntonspall [email protected]