privacy is almost easy! - unesco...according to this definition, differential privacy is a condition...
Post on 27-Jun-2020
1 Views
Preview:
TRANSCRIPT
Privacy is Almost Easy!
2nd European MIL forum Riga, 27.06.2016.Kārlis Podiņš, CERT.LV
CERT.LV
• Someone's right to keep their personal matters and relationships secret
• Freedom from unauthorized intrusion
– Sources: Merriam-Webster and Cambridge
Privacy
• Legally correct
• Totally broken
• NOR consumer protection board performance
– 33 popular apps
– 900 pages
– >30 hours
Data Sale – All of You Have AGREED to it
Industrial-Scale Privacy Breach
How is Privacy Compromised?
User disclosure
User agreement = data sale
Hacking
Advanced methods
• 2006 Netflix publishes some anonymized ratings
– 100M movie rating records
– 480k users
• Attacker model:
– A few movies watched by target
– Approximate timeframes
• Targeted deanonymization possible (Narayanan&Shmatikov 2008)
What Can Go Wrong?
Differential Privacy
Take-away
• Privacy – it's almost easy!
Thank You
top related