Centre for Cyber Security Thomas Kristmar Centre for Cyber Security Danish Defence Intelligence Service
05-10-2015
05-10-2015
Who are we? Centre for Cyber Security In respect of the Rule of Law and Privacy – Cyber is a priority (Gov. Declaration, Oct 2011) National Centre of excellence in Cyber Security DK Defence Intelligence Service 5. oktober 2015 4
SDLC - Theory
Actual SDLC Too costly Ship & Fix in Requirements /too late future release
Example – SSL certificates 5. oktober 2015 7
Example Directory Traversal 05-10-2015
“Those who don't know history are doomed to repeat it.” 05-10-2015
Societal Impact 05-10-2015
Risk Know your code http://cynosureprime.blogspot.dk/2015/09/ how-we-cracked-millions-of-ashley.html 05-10-2015
Risk Know your code http://qz.com/501073/the-top-100-passwords-on-ashley- madison/ Password Number of users 123456 120511 12345 48452 password 39448 DEFAULT 34275 123456789 26620 qwerty 20778 XcodeGhost http://researchcenter.paloaltonetworks.com/2015/09/novel-malware-xcodeghost-modifies- xcode-infects-apple-ios-apps-and-hits-app-store/ 05-10-2015
Risk Don’t implement your own crypto Pixie Dust Attacks (flaw in three implementations of WPS) https://docs.google.com/spreadsheets/d/1tSl bqVQ59kGn8hgmwcPTHUECQ3o9YhXR91A_p 7Nnj5Y/edit?pli=1#gid=2048815923 And pls. don’t hardcode passwords CVE-2014-0329 :DSL routers contain hardcoded password 05-10-2015
Risk Open source isn’t secure by default CVE-2014-0160 CVE-2014-6271 05-10-2015
Lessons Learned Know your code AND be able to update Don’t implement your own crypto Open source isn’t secure by default Read OWASP / SDLC AND do threat modeling 05-10-2015
Thank you for your attention 05-10-2015
05-10-2015
05-10-2015
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