Security, you are also part of the game
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Data is a big thing now a days. Data is everywhere. Data is collected on almost as many places. And a lot of people want to access your data. But why exactly is your data important? What can people / companies do with it? How can I keep my data safe. or that of my company? How do criminals get to your data? and most importantly, what can you do to avoid the fact that they steal your data?
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Security, you are also part of the game
- 1. Open solutions, smarter people Security You are also part of the game This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
- 2. Open solutions, smarter people Who is that guy? • Bert Desmet • 23 years old • Fedora – Ambassador, mentor, packager • Loadays – Co organizer • Numius – System Engineer, Consultant • Devnox – Developer, System Engineer
- 3. Open solutions, smarter people Today's topics • I'm a good hacker. • Why I love USB sticks. • Remember your password? • Shhhhhhht!
- 4. Open solutions, smarter people I am a good hacker.
- 5. Open solutions, smarter people No tech hacking?
- 6. Open solutions, smarter people Shoulder surfing
- 7. Open solutions, smarter people Dumpster diving
- 8. Open solutions, smarter people Social engineering
- 9. Open solutions, smarter people Taking pictures
- 10. Open solutions, smarter people Why I love USB sticks.
- 11. Open solutions, smarter people They are easy
- 12. Open solutions, smarter people And small
- 13. Open solutions, smarter people They are easily.. • Forgotten • Stolen
- 14. Open solutions, smarter people Some thoughts about it • Encrypt your sensitive data • Never put passwords on your system • Use the intranet • Never leave your portable gear alone • Never forget your gear
- 15. Open solutions, smarter people Some statistics • 53% of UK workers lost portable devices – >50% at a drinking venue • Taxis and public transport • 1 lost data record cost more than $187 – 70% indirect cost • Lost costumers
- 16. Open solutions, smarter people Remember your password?
- 17. Open solutions, smarter people How to choose a password • Avoid using dictionary words • Use special characters and numbers • Change your password every month • Blah blah blah
- 18. Open solutions, smarter people How to choose a password • Avoid using dictionary words • Use special characters and numbers • Change your password every month • Blah blah blah
- 19. Open solutions, smarter people Entropy • H : Entropy • N : Possible symbols • Length of string H= L∗log2 N
- 20. Open solutions, smarter people Example time! • This is.obviously a.bad passw0rd:-( – L : 35 – W : 94 – H : ±230 • PrXyc.N(n4k77#L!eVdAfp9 – L : 23 – W : 94 – H : ±151
- 21. Open solutions, smarter people Time to crack a password • [[Guesses before string is found = 2H]] • This is.obviously a.bad passw0rd:-( – 2230 = 1.72543659 × 1069 – 1000 guesses /s = 5.5 x 1058 years • PrXyc.N(n4k77#L!eVdAfp9 – 2151 = 2.85449539 × 1045 – 1000 guesses /s = 9 × 1034 years
- 22. Open solutions, smarter people Password Strenght
- 23. Open solutions, smarter people Lastpass • Fully encrypted • Generate extremely hard passwords • Choose a good master password!
- 24. Open solutions, smarter people Some tips • Never store passwords on pc • Never use autologin
- 25. Open solutions, smarter people Shhhhhhhht!
- 26. Open solutions, smarter people I want you to shut up!
- 27. Open solutions, smarter people Security through obscurity • Don't tell anyone • Security based on secrecy
- 28. Open solutions, smarter people Kerckhoffs' doctrine • Security can't depend on secrecy
- 29. Open solutions, smarter people Reality • There are always leaks – By accident – Deliberately • Try to keep 'secrets'
- 30. Open solutions, smarter people Wait! There is more!
- 31. Open solutions, smarter people In a perfect world..
- 32. Open solutions, smarter people There is always a hole.
- 33. Open solutions, smarter people I like onions
- 34. Open solutions, smarter people Multi Level Security • Multiple systems • Building fort Knox • You are the first line of defense
- 35. Open solutions, smarter people Extra! Extra!
- 36. Open solutions, smarter people Something you have..
- 37. Open solutions, smarter people Yubikey
- 38. Open solutions, smarter people I preach. And I practice.
- 39. Open solutions, smarter people Questions? • Bert Desmet • Security, you are also part of the game • Mail: Bert@devnox.eu • Twitter: @bdesmet_ • Website: http://blog.bdesmet.be • Website: http://www.devnox.eu • This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
- 40. Open solutions, smarter people Sources • Chess game: http://www.flickr.com/photos/seeminglee/1479932683/ • Closed vault: http://www.flickr.com/photos/mstyne/3654056683/ • Open vault: http://www.flickr.com/photos/spotsgot/156025944/ • Onion: http://www.flickr.com/photos/inferis/107293622/ • Laptop + usb stick: http://www.flickr.com/photos/wstryder/2780310027/ • New York Public Library: http://www.flickr.com/photos/paul_lowry/2616820493/ • Statistics on loosing gear: http://www.securestix.com/bad_news.php • Shoulder surfing: http://www.flickr.com/photos/bonzoesc/209474964/ • Dumpster: http://www.flickr.com/photos/urbanjacksonville/1803065217/ • Telephone call: http://www.flickr.com/photos/lst1984/994531885/ • Taking pictures: http://www.flickr.com/photos/glenpooh/708845839/ • Xkcd joke: http://xkcd.com/936/ • Shut up: http://www.flickr.com/photos/lorenia/934705558/ • 3way handhake: http://media.photobucket.com/image/3%20way%20handshake/Haley_Bug/Mission%20Trip%20Choir%20Tour%202006/100_0087.jpg?o=1 • Yubikey: http://www.flickr.com/photos/thofle/3206443137/ • Special thanks to: Johnny Long
- 41. Open solutions, smarter people