the future of household robots - school of computingtdenning/files/slides/ubicomp-09-hr...the future...
TRANSCRIPT
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T a m a r a D e n n i n g
C y n t h i a M a t u s z e k
K a r l K o s c h e r
J o s h u a R . S m i t h
T a d a y o s h i K o h n o
C o m p u t e r S c i e n c e a n d E n g i n e e r i n g
U n i v e r s i t y o f W a s h i n g t o n
The Future of Household Robots:Ensuring the Safety and Privacy of Users
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Focus of This Talk: Robots, Security, and Privacy
This talk is about two things:
The future of robots in the home
Computer security and privacy
To make sure we‟re all on the same page, first:
Brief background on robots
Brief background on security and privacy
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What is a Robot?
Cyber-physical system with:
Mobility
Sensors
Actuators
Some reasoning capabilities (potentially)
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CC images courtesy of: http://www.flickr.com/photos/bbum/133956572/, http://www.flickr.com/photos/deadair/220147470/, http://www.flickr.com/photos/cmpalmer/3380364862/
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What is a Robot?
Cyber-physical system with:
Mobility
Sensors
Actuators
Some reasoning capabilities (potentially)
Applications:
Elder care
Physically-enabled smart home
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What is Security?
Security:
Systems behave as intended even in the presence of an adversary
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What is Security?
Security:
Systems behave as intended even in the presence of an adversary
NOT Safety:
Systems behave as intended even in the presence of accidental failures
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Security for Robots?
To understand the importance of security for robots, we give context:
A brief history of computers and computer security.
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Timeline: Computers
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1940 20001970
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Timeline: Computers
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1940 20001970
1946ENIAC
1951UNIVAC
1944Colossus
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Timeline: Computers
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1940 20001970
1977Apple II
1981IBM Personal Computer
1982Commodore 64
1984Apple Macintosh
1974Altair 8800
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Timeline: Computers
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1990World Wide Web
1940 20001970
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Timeline: Computers
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1940 20001970
1994Amazon
1995Ebay
1998Google
2004Facebook
2005YouTube
2006Twitter
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Timeline: Computers
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1940 20001970
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Timeline: Computers
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1940 20001970
Now looking at computer security…
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Timeline: Computer Security Attacks
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1940 20001970
1971Phone Phreaking
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Timeline: Computer Security Attacks
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1940 20001970
1982The 414s break into 60 computer systems
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Timeline: Computer Security Attacks
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1940 20001970
1986“The Brain” Virus
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Timeline: Computer Security Attacks
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1940 20001970
1988Morris Worm
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Timeline: Computer Security Attacks
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1940 20001970
2000DDoS Attack
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
• Botnets
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
• Botnets
• Phishing
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
• Botnets
• Phishing
• Keyloggers
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
• Botnets
• Phishing
• Keyloggers
• Cross-Site Scripting
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Timeline: Computer Security Attacks
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1940 20001970
• Rootkits
• Trojan Horses
• Botnets
• Phishing
• Keyloggers
• Cross-Site Scripting
• etc.
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Timeline: Computer Security Attacks
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1940 20001970
Observations:• The attack rate increases• The attacks lag behind the technology
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Timeline: Robots
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1979Robotics Institute founded at Carnegie Mellon University
1960 2000 2020
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Timeline: Robots
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1982WABOT-2 accompanies people on a keyboard instrument
1960 2000 2020
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Timeline: Robots
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1986Honda founds Humanoid Robot Division
1960 2000 2020
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Timeline: Robots
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1999AIBO
1960 2000 2020
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Timeline: Robots
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2000ASIMO
1960 2000 2020
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Timeline: Robots
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2001Paro therapeutic seal
1960 2000 2020
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Timeline: Robots
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2002Roomba
1960 2000 2020
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Timeline: Robots
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1960 2000 2020
2005Actroid Android
2005Wakamaru Companion Robot
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Timeline: Robots
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1960 2000 2020
2008Okonomiyaki Robot
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Timeline: Robots
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1960 2000 2020
2010 ?HAL exoskeleton
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Timeline: Robots
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1960 2000 2020
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Timeline: Robot Security
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1960 2000 2020
Observation:• No attacks on robot security yet
Recall (computer security):• The attack rate increases• The attacks lag behind the technology
What is the future of robot security?
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Robot Security and Privacy in Context
Our focus: Robot security and privacy
Evil people doing bad things with robots
Most likely near term security and privacy threat
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Robot Security and Privacy in Context
Our focus: Robot security and privacy
Evil people doing bad things with robots
Most likely near term security and privacy threat
Evil robots
Popular topic of science fiction
Unlikely near term security and privacy threat
Other challenges to mixing humans with robots
Safety
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Talk Outline
Part 1. Introduction
Part 2. Assessing the Risks: Today and Tomorrow
Part 3. Challenges and Next Steps
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Understanding Current and Future Risks: The Computer Security Approach
Identify representative examples of future tech
Assess the security and privacy vulnerabilities of those examples
Determine risks for today and extrapolate risks for tomorrow
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There are many household robots for sale…
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Roomba (vacuum) Scooba (mop) Robomow (lawn mower)
Pleo (artificiallifeform toy)
Lego Mindstorm NXT (toy and learning kit)
FlyTech Bladestar(flying toy)
How to pick which robots to study?
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Axes for Selecting Representatives Robots
Strategy: Pick robots that span likely properties of future robots
Different Groups of Intended Users
Mobility
Actuators
Sensors
Communication Methods
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Our Selection: Spanning the Axes
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RoboSapien V2 Rovio Spykee
Robots purchased for experimentation during or before October 2008.
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RoboSapien V2
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• Toy for children and hobbyists
• Mobile, bipedal
• Basic Dexterity
• Controlled by IR remote
• Some autonomous behavior
• Pre-programmed speech
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Rovio
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• For adults
• Telepresence
• Home surveillance
• Check up up on relatives
• Follows pre-programmed IR beacons
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Spykee
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• Toy for children
• Assembled and configured by children
• Telepresence: Parent can tuck in kids when out of town
• “Spy” robot
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So, what vulnerabilities did we find?
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So, what vulnerabilities did we find?
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Focusing on Spykee and Rovio for now (we‟ll come back to RoboSapien V2 later)
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Remote Discovery
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(Artificial data -- not real locations of robots)
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Eavesdropping (shown in ad hoc mode)
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Neighbor orHacker in a car
CC images courtesy of: http://www.flickr.com/photos/wwworks/3039389897/, http://www.flickr.com/photos/jamimages/83601411/
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Intercepting Credentials (Remote Mode)
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http://spykeeworld.com
09867028934149871358357619035602844
09867028934149871358357619035602844
254757324523476784561436546456436345
User:alice1Password:pass1
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Physical Takeover
With credentials: Drive the robot anywhere
Access the AV stream at any time
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What the vulnerabilities mean to people…
We discussed some vulnerabilities…
What do these vulnerabilities mean to people and their environment?
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What the vulnerabilities mean to people…
We discussed some vulnerabilities…
What do these vulnerabilities mean to people and their environment?
(We did not implement these attacks.)
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
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Rovio: Spy on Home
Spy/eavesdrop in the home
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/3mieszczanka/3253181023/
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Spy/eavesdrop in the home
Rovio: Spy on Home
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/arthurohm/1977354073/
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Rovio: Spy on Home
Spy/eavesdrop in the home
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/paladin27/2277420652/
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Rovio: Spy on Home
Spy/eavesdrop in the home
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/affixations/2542167108/
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Rovio: Move Around the Home
Move around rooms of the house to facilitate spying and eavesdropping
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
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Rovio: Property Damage
Use weight to cause minor property damage
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/kacey3/2002598626/
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Rovio: Create Hazards
E.g., Bowl of grapes near an infant
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/mindfire/3256681195/
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Rovio: Trip People
Drive underneath elder‟s feet to trip them
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
CC image courtesy of: http://www.flickr.com/photos/marktristan/2733951264/
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Rovio: People with Dementia
Make sounds to confuse people with dementia
Displace objects to confuse people with dementia
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
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Rovio: Superstitious Symbols
Create patterns on the floor to play on superstitions
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Many risks today are minor. We explore attack scenarios because they illustrate potential future risks with household robots.
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Rovio: The Risks
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Spy on residents
Move between areas of the house to facilitate spying
Property damage
Robot suicide
Knock over objects around infants
Trip elderly relatives
Create superstitious symbols
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Spykee: The Risks
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Same kinds of risks as the Rovio, but…
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Spykee: The Risks
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Same kinds of risks as the Rovio, but…
Spykee meant to be:
Built by children (Erector set, 8+ years)
Configured by children
Connected to the Internet by children
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Spykee: The Risks
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Same kinds of risks as the Rovio, but…
Spykee meant to be:
Built by children (Erector set, 8+ years)
Configured by children
Connected to the Internet by children
And most of all…played with by children
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Spykee: The Risks
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Same kinds of risks as the Rovio, but…
Spykee meant to be:
Built by children
Configured by children
Connected to the Internet by children
And most of all…played with by children
CC images courtesy of: http://www.flickr.com/photos/ooh_food/3510270149/, http://www.flickr.com/photos/aznongbri/945555443/
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The Risks Tomorrow
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We have not analyzed the robots shown. They may or may not have vulnerabilities and may or may not be used for attacks. We are using them as examples of future kinds of robots.
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The Risks Tomorrow
Robots for elders
Exoskeleton for mobility
Lifting robot
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We have not analyzed the robots shown. They may or may not have vulnerabilities and may or may not be used for attacks. We are using them as examples of future kinds of robots.
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The Risks Tomorrow
Robots for elders
Exoskeleton for mobility
Lifting robot
Robots for children
As companions or as therapy for unique emotional needs
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We have not analyzed the robots shown. They may or may not have vulnerabilities and may or may not be used for attacks. We are using them as examples of future kinds of robots.
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The Risks Tomorrow
Robots for elders
Exoskeleton for mobility
Lifting robot
Robots for children
As companions or as therapy for unique emotional needs
Robots that use tools
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We have not analyzed the robots shown. They may or may not have vulnerabilities and may or may not be used for attacks. We are using them as examples of future kinds of robots.
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Are the risks real?
Our focus is on the future, when household robots might be ubiquitous and sophisticated
Potential types of attackers
Terrorist
Competitor
Acquaintance
ID Thief
Prankster
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Computer Systems for Physical Harm
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November 2007
“It was just a bunch of very immature people delighting
in their attempts to cause people misery”
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Again in March 2008
“This was clearly an act of vandalism with the
intent to harm people”
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Talk Outline
Part 1. Introduction
Part 2. Assessing the Risks: Today and Tomorrow
Part 3. Challenges and Next Steps
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There are many ways to raise the bar…
Basic Steps (for the user)
Encrypted home network
Don‟t use ad hoc
Don‟t connect robots to the Internet
Don‟t allow the robots in “private” spaces
Basic Steps (for the manufacturers)
Security evaluations
Use encryption (properly!)
Secure firmware updates
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Standard Security Practices Are Not Sufficient
Implementation vulnerabilities
No such thing as perfect security
Vulnerabilities often found even in modern desktop computing systems implementing best practices
Secure networks can be cracked
Usage vulnerabilities
Users don‟t always secure networks
Users can misconfigure security settings even when employing them
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Robots Have Unique Properties
Physicality
Mobility
Dexterity
Interactive and in the middle of the home
These lead to unique challenges…
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CC image courtesy of: http://www.flickr.com/photos/eiriknewth/282273087/
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No Longer a Desktop Computer: New Challenges
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Robots that connect to the Internet are not traditional vacuum cleaners or toasters
Children as administrators
Robot interface is minimal
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No Longer a Desktop Computer: New Challenges
Heterogeneous environments
Multiple direct and indirect users
Pets
Children
Elderly
Guests
Meaning…
The people affected by robot security vulnerabilities may not be the robots‟ administrators
May be difficult to notice a hijacked robot
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No Longer a Desktop Computer: New Challenges
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Even if you secure one robot in isolation…
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Multi-Robot
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Even if you secure one robot in isolation…
What can two robots achieve?
Overcome each other‟s safeguards?
Combine physical capabilities?
Combine sensorial capabilities?
Manufacturers might not expect this!
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Our Setup
Toy example
Compromised Rovio (supplies camera)
IR/RF repeater positioned within line of sight of the RoboSapien V2
Remote for the RoboSapien V2
What can we do?
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Multi-Robot: Our Setup
Rovio RoboSapien V2 IR/RFRepeater
Combined
AV Feed
Grippers
CommunicationOut of Line of Sight
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Multi-Robot Attack: Demo
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Security and Privacy for Users of Future Household Robots
A near term threat: evil people using robots
Needs attention today before technology matures
Identified security and privacy vulnerabilities in today‟s robots. Implications:
For today: Mild to moderate risks
For future: More severe risks
Attacks: Spying/eavesdropping, damaging objects, tripping or confusing residents, emotional abuse
Challenges to securing future robots:
Non-expert users may think of robots as appliances
Heterogeneous home environment
Multiple robots co-opted by an attacker to work together11/24/2009
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Related Work
Challenges with ubiquitous computing in the home, e.g.:
Edwards and Grinter. “At Home with Ubiquitous Computing: Seven Challenges.” UbiComp „01.
Human-robot interaction in the home, e.g.:
Young et al. “Toward Acceptable Domestic Robots: Applying Insights from Social Psychology.” Intl. Journal of Social Robotics „08.
Privacy leaks in the home, e.g.:
J. Schwartz. “Nanny-Cam May Leave a Home Exposed.” The New York Times, April 2002.
Usable Security, e.g.:
Bryan D. Payne, W. Keith Edwards, "A Brief Introduction to Usable Security," IEEE Internet Computing, vol. 12, no. 3,
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Questions?