www.internetsociety.org
Understanding and managing your Digital Footprint
Privacy in the 21st Century
Robin Wilton
Technic...
InfoQ.com: News & Community Site
• 750,000 unique visitors/month
• Published in 4 languages (English, Chinese, Japanese an...
Presented at QCon London
www.qconlondon.com
Purpose of QCon
- to empower software development by facilitating the spread o...
Digital Footprints | QCon 2014, London
Why should we care about digital footprints?
• Your digital footprint has value.
• ...
Digital Footprints | QCon 2014, London
Goals for this session
• Examine digital footprint principles
• A short history of ...
Digital Footprints | QCon 2014, London
A short history of footprints
• 9th Century (around 890AD)
• A viking called Ohther...
Digital Footprints | QCon 2014, London
A short history of footprints
• 20th Century (June 1968)
• Neil Armstrong became th...
Digital Footprints | QCon 2014, London
A short history of footprints
• 21st Century
• Can we now leave anything *but* perm...
Digital Footprints | QCon 2014, London
“Hang on... what do you mean, ‘offline’?
7
Active Passive
Online
Offline
“Hi - just...
Digital Footprints | QCon 2014, London
What does your digital footprint mean to you?
• Reputation
• Even if you maintain y...
Digital Footprints | QCon 2014, London
The “rights” dimension: privacy is a foundational right.
“Privacy shelters dynamic,...
Digital Footprints | QCon 2014, London
What does your digital footprint mean to others?
• Revenue
• You’ve heard the sayin...
Digital Footprints | QCon 2014, London
How much do you know about me?
▪ How much data might a networked social site have a...
Digital Footprints | QCon 2014, London
The DAO of Privacy
• The idea that you control “your” data is, unfortunately, out o...
Digital Footprints | QCon 2014, London
Recap
• Our digital footprints are extensive, revealing and practically permanent
•...
Digital Footprints | QCon 2014, London14
Pre-contemplation
Contemplation
Preparation
Action
Maintenance
• This is one mode...
Digital Footprints | QCon 2014, London
What’s the answer?
• Nagging?
• More privacy tools?
• Better privacy information
• ...
Digital Footprints | QCon 2014, London16
Pre-contemplation:
awareness-raising
Contemplation:
information
Preparation:
guid...
Digital Footprints | QCon 2014, London17
Pre-contemplation:
awareness-raising
Contemplation:
information
Preparation:
guid...
Digital Footprints | QCon 2014, London
ISOC materials to help you
• Digital Footprint “Reference Framework”: a set of shor...
Digital Footprints | QCon 2014, London
Recap of goals
• Examine digital footprint principles
• A short history of informat...
www.internetsociety.org
Thank you
Any questions?
Robin Wilton
Technical Outreach Director
Trust and Identity
wilton@isoc.o...
Watch the video with slide synchronization on
InfoQ.com!
http://www.infoq.com/presentations/digital-
footprints-risk
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Understanding & Managing Your Digital Footprint

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Robin Wilton wonders what are the real costs, risks and economics of digital footprints, and what - if anything - can be done about it? This session examines these issues and makes some practical recommendations about how to understand and manage one's digital footprints. Filmed at qconlondon.com.

Robin Wilton brings 28 years of industry experience to the role of Technical Outreach Director for Identity and Privacy, in the Internet Society's Trust and Identity Initiatives group. He specializes in digital identity, privacy and public policy, building a reputation as a thought leader, communicator and translator between stakeholder groups.

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Understanding & Managing Your Digital Footprint

  1. 1. www.internetsociety.org Understanding and managing your Digital Footprint Privacy in the 21st Century Robin Wilton Technical Outreach Director Trust and Identity wilton@isoc.org
  2. 2. InfoQ.com: News & Community Site • 750,000 unique visitors/month • Published in 4 languages (English, Chinese, Japanese and Brazilian Portuguese) • Post content from our QCon conferences • News 15-20 / week • Articles 3-4 / week • Presentations (videos) 12-15 / week • Interviews 2-3 / week • Books 1 / month Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations /digital-footprints-risk
  3. 3. Presented at QCon London www.qconlondon.com Purpose of QCon - to empower software development by facilitating the spread of knowledge and innovation Strategy - practitioner-driven conference designed for YOU: influencers of change and innovation in your teams - speakers and topics driving the evolution and innovation - connecting and catalyzing the influencers and innovators Highlights - attended by more than 12,000 delegates since 2007 - held in 9 cities worldwide
  4. 4. Digital Footprints | QCon 2014, London Why should we care about digital footprints? • Your digital footprint has value. • It is systematically collected, mined and used for profit... just not by you. • There is a strong commercial incentive for others to exploit your data. • What do you get in return, and is it a fair bargain? • It is hard to understand something you can’t see; even harder to manage it. 2
  5. 5. Digital Footprints | QCon 2014, London Goals for this session • Examine digital footprint principles • A short history of informational footprints • What does your digital footprint mean to you and others? • How do digital footprints relate to your privacy? • Your digital footprints • Data About Others... the DAO of Privacy • Some tips on what to do next • Privacy attitudes, choices and tools • ISOC resources • Real goal: to start changing the way we think about privacy choices 3
  6. 6. Digital Footprints | QCon 2014, London A short history of footprints • 9th Century (around 890AD) • A viking called Ohthere/Ottar dropped in on King Alfred of Wessex... 4 • His travelogue became part of Alfred’s “essential curriculum” • Few people could create/keep a permanent record • “Established” texts created an international body of knowledge • Ohthere understood how to use the information infrastructure of his time
  7. 7. Digital Footprints | QCon 2014, London A short history of footprints • 20th Century (June 1968) • Neil Armstrong became the first of a dozen human beings to leave footprints on the moon 5 • Some of his footprints are still there • The moonshot was the pinnacle of the military-industrial space race • That, in turn, was a product of the global Cold War • The Apollo 11 mission itself cost about $25bn (around $170bn today) • A permanent footprint cost a lot...
  8. 8. Digital Footprints | QCon 2014, London A short history of footprints • 21st Century • Can we now leave anything *but* permanent footprints? 6 • We generate digital footprints actively and passively on- and offline • Since they are invisible to us, we behave as though our footprints are ephemeral • The information infrastructure is ubiquitous, but all our data passes through intermediaries • Their interests are not necessarily ours...
  9. 9. Digital Footprints | QCon 2014, London “Hang on... what do you mean, ‘offline’? 7 Active Passive Online Offline “Hi - just arrived at Heathrow. See you later.” Got a cookie from 3rd party website Had an appointment with my GP (!) Drove past an ANPR camera Whether or not it’s the primary purpose of what you’re doing, chances are you’re adding to your digital footprints.
  10. 10. Digital Footprints | QCon 2014, London What does your digital footprint mean to you? • Reputation • Even if you maintain you have “nothing to hide” (!), not all information is appropriate to every audience • Things taken out of context can be damaging • Inference plays a huge role in “big data” exploitation • Money • Personal data is the raw material of identity fraud • Direct losses aside, the indirect cost of identity theft can be significant • Control • Again, context is key: and we generally have no technical control over data “beyond first disclosure” - so keep it while you can! • Freedom, and other rights... • Privacy is foundational to other rights, such as freedom of speech, access to information, and expression of your own cultural identity 8
  11. 11. Digital Footprints | QCon 2014, London The “rights” dimension: privacy is a foundational right. “Privacy shelters dynamic, emergent subjectivity from the efforts of commercial and government actors to render individuals and communities fixed, transparent, and predictable.” Julie Cohen (Georgetown University) What Privacy Is For “Privacy and freedom of expression are interlinked and mutually dependent” Frank La Rue (UN Special Rapporteur) Protection of the right to freedom of expression “Privacy is integral to a free, fair and open society. ... The notion that privacy is fundamental to democracy – is enshrined in article 8 of the European Convention on Human Rights.” Nick Clegg (Deputy Prime Minister) - Speech, 4th March 2014 Security and Privacy in the Internet Age 9
  12. 12. Digital Footprints | QCon 2014, London What does your digital footprint mean to others? • Revenue • You’ve heard the saying “If you’re not paying for a service, you’re not the customer, you’re the product”... • “Free” online services are paid for with the value extracted from your personal data • Unfortunately, the fact that a service is paid for doesn’t mean your data won’t be monetized... • We should constantly review the “bargain” we make for online services • Social graph • Your social graph reveals huge amounts about you, and often bridges the gap between work, social and family contexts • Profiling • If you can be slotted into a demographic, inferences about other people can be applied to you • Prediction • Social graphs, profiles, location data, shopping habits... all these build into a detailed profile of your hopes, wishes and aspirations. 10
  13. 13. Digital Footprints | QCon 2014, London How much do you know about me? ▪ How much data might a networked social site have about you? – Max Schrems‘ Subject Access Request to Facebook resulted (in Dec 2012) in 1200 pages of data, in 57 different categories – For comparison, Acxiom holds “an average of 1,500 pieces of information on more than 500 million consumers around the world” ▪ What kinds of information might, say, Google have about you? – Your: – Wi-fi password (Yes, seriously!) – Search history – Device identifiers, ESSID ( _nomap), car registration? – Address, house frontage, aerial photos – Geo-location (and history) – Photos – Emails, IMs, blogs, comments -> social graph – Docs – But that’s not all: – Feeds from face recognition, image tags, your sensors, other people’s devices – Inference data (socio-economic profile, marital status, ethical values...) – ... and inference can re-identify ‘anonymous’ data 11
  14. 14. Digital Footprints | QCon 2014, London The DAO of Privacy • The idea that you control “your” data is, unfortunately, out of date • You privacy is affected by: • Data you disclose knowingly • Data passively collected about you • Other people’s opinions of you • That’s a social reality. You can’t control the narratives other construct about you • But... • In the hyper-connected world, your privacy is also affected by profiling, behavioural analysis and inference data: • Those can all be based not on information about you, but on Data About Others 12
  15. 15. Digital Footprints | QCon 2014, London Recap • Our digital footprints are extensive, revealing and practically permanent • They represent a source of risk to us, and a source of revenue to others • Our digital footprints generate privacy risk for others, and vice versa • And yet, with all this... we make bad privacy choices. Why, and what can we do about it? 13
  16. 16. Digital Footprints | QCon 2014, London14 Pre-contemplation Contemplation Preparation Action Maintenance • This is one model for sustained behavioural change • A one-off “nudge” won’t work • See any differences from our current approach to privacy? • Tools might help, but they aren’t the answer • The goal is to change values, not just one decision • Consent is a design issue... • Privacy differs from e.g. weight loss; how do you know when you’ve succeeded? Stages in behavioural change
  17. 17. Digital Footprints | QCon 2014, London What’s the answer? • Nagging? • More privacy tools? • Better privacy information • Clearer understanding of the risks • Timely, specific nudges • Change in values • Better privacy choices • Healthier privacy habits 15
  18. 18. Digital Footprints | QCon 2014, London16 Pre-contemplation: awareness-raising Contemplation: information Preparation: guidance Action: tools Maintenance: affirmation Nudge by nudge...
  19. 19. Digital Footprints | QCon 2014, London17 Pre-contemplation: awareness-raising Contemplation: information Preparation: guidance Action: tools Maintenance: affirmation Phased goals... Values Choices Habits
  20. 20. Digital Footprints | QCon 2014, London ISOC materials to help you • Digital Footprint “Reference Framework”: a set of short (2-3 page) pieces on a range of topics (economics, targeted advertising, cookies...) • http://www.internetsociety.org/doc/digital-footprints-internet-society- reference-framework • A series of 9 interactive tutorials on the same topics • http://www.internetsociety.org/your-digital-footprint • And coming soon... video animation clip • Here’s the ISOC “landing page” for these materials: http://www.internetsociety.org/footprint 18
  21. 21. Digital Footprints | QCon 2014, London Recap of goals • Examine digital footprint principles • A short history of informational footprints • What does your digital footprint mean to you? • What does it mean to others? • How do digital footprints relate to your privacy? • Your digital footprints • Data About Others... the DAO of Privacy • Some tips on what to do next • Privacy attitudes, choices and tools • ISOC resources 19
  22. 22. www.internetsociety.org Thank you Any questions? Robin Wilton Technical Outreach Director Trust and Identity wilton@isoc.org
  23. 23. Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations/digital- footprints-risk

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