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Secure by design
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Laura Bell
May 20, 2015
Technology
1
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Secure by design
Presented by Laura Bell (SafeStack) at ANZTB annual conference, Auckland (New Zealand)
Laura Bell
May 20, 2015
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Transcript
Secure by Design Building secure and useable systems in a
connected world Laura Bell F O U N D E R & L E A D C O N S U LTA N T S A F E S TAC K @ l a d y _ n e rd l a u r a @ s a fe s t a c k . i o
the world is a terrible place
the internet is a festering pool of toxic waste
None
somebody probably wants to do bad things to your computer
the security situation is beyond hope
None
we can build amazing things
None
None
None
doing this securely is hard
developers and testers you can avoid common pitfalls. bring security
to any dev/test environment
Security for everyone
None
Security needs a hero
security is a team sport
Security is a tester superpower
security starts with education
Tools and Techniques
1. Requirements capture 2. Language 3. Design level security 4.
Automation 5. Consistency
Requirements Capture
security starts with requirements
Forgotten Password Example Functional/Story requirements: User enters username on forgotten
password page User receives link to reset password page Password is reset User can login to system
Forgotten Password Example Security requirements: Password reset link expires after
24 hours Password reset link is unique to password reset request Password reset link is complex and pseudo random Password reset link can only be used once Error messages on password reset form do not allow username or email enumeration
Language
Language creates barriers and divides
Get the language right Critical High Medium Low Informational False
Positive
Security vulnerabilities hide behind acronyms, jargon and assumptions.
Design level security
Vulnerabilities cluster between components
Our environments are complex
Bad things happen when low risk security issues cluster together…..
Automation
Human error threatens testing effectiveness
Test data creation and scrubbing Test case definition Load testing
Regression testing Integration testing Security testing Test environment deployment
Automated security testing gives a continuous assessment of risk.
Consistency
Don’t leave security to chance
All testers All stories All the time
1. Requirements capture 2. Language 3. Design level security 4.
Automation 5. Consistency
Common Challenges
1. Avoid security theatre 2. Stop ignoring legacy code 3.
Maintain momentum 4. Face your fear
Avoid security theatre
Dealing with a legacy
Aim for continuous steady improvement
It’s OK to be afraid
1. Avoid security theatre 2. Stop ignoring legacy code 3.
Maintain momentum 4. Face your fear
developers and testers you can avoid common pitfalls. bring security
to any dev/test environment
Questions? Laura Bell F O U N D E R
& L E A D C O N S U LTA N T S A F E S TAC K @ l a d y _ n e rd l a u r a @ s a fe s t a c k . i o