A Threat Model Approach to Threats and Vulnerabilities in

On-line Social Networks

¿Can i join Facebook?

Mommy

Daddy

Sure you can, love

Why you want to do this to me?

Welcome to the jungle

Threat modellingmethodology

Threats Attacks

Vulnerabilities

Countermeasures

Assets

Risks

Circleof

Risk

compromised by

materialise by

exploit

expose to

mitigated by

protect

Assetsand threats

Private Information

Secondary Data Collection

Digital Dossier Building

Must be protected from

ReidentificationSensitive Attribute Inference

Excessive Exposition of Private Data

Lack of Control over Data Published by

others

Financial Assets

Might suffer from

Frauds and ScamsWorkers Productivity Losses

Intelectual Property

Is threaten by

Publication of Protected

Information

Transfer of Intellectual Rights to

the Platform

Corporate Secrets

Can be obtained through

Social EngineeringCarelessly Publishing

of Confidential Information

Physical Security

Threatened by

Over-sharing of Information

Content Based Image Retrieval

Harassment Between AdultsCyber-bullyingCyber-grooming

Computing and Network Resources

Might be diminished by

New Malware Generations

Multimedia Bandwidth

Dependance

Reputación

Corporate and Personal

Reputation

Damaged by

Automated campaigns to erode

reputationCollusionExtortionRepudiationHerd Effect

Digital Identity

Fake ProfilesOSN’s negligenceIdentity Thefts

Might be affected by

Is it so easy to compromise the security in On-line Social

Networks?

Every system has

its flaws

Vulnerabilities associated with

the Plataform

Difficulty to remove information

Weak authentication method

Non validation of users data during

registration

Vulnerabilities associated

with the Users

Unknowingly disclosure of

navigation data

Information disclosed by the user status

Vulnerabilities associated

with the Photographs

Tagging by others

Implicit information in multimedia

content

In conclusion

On-line Social networks are not so bad

YOU DON’TGET TO500 MILLION

FRIENDSWITHOUT MAKING

A FEWENEMIES

References1. Social networking:

http://whyleadnow.files.wordpress.com/2013/07/social_networking.jpg2. Baby using computer:

http://1.bp.blogspot.com/-9DfCepn7WqQ/Ta8lIKKL7UI/AAAAAAAABkU/-Rjjob7TIu8/s1600/kid-using-computer2.jpg

3. Jungle: http://static.fjcdn.com/large/pictures/25/1a/251ade_3429681.jpg

4. Stocks: http://www.masterforex-v.org/system/news/resized/Trjejdjeram_fon_4064364665.jpg

5. Gun: http://ehstoday.com/site-files/ehstoday.com/files/uploads/2012/06/June2012_WorkplaceViolence.jpg

6. George W Bush bad reputation example: http://www.mbetv.com/wp-content/uploads/2010/11/George-W-Bush.jpg

7. Robbery: http://www.1mim.com/wp-content/gallery/black-and-white/1-robbery.jpg

8. Social networks: http://lapalabraylaescucha.files.wordpress.com/2012/02/istock_000006428830xlarge.jpg

9. Facebook enemies: https://lh5.googleusercontent.com/_Khh3MfoDJoQ/TVUsmrBZJyI/AAAAAAAAA9c/3PdbkYswsQ0/facebook.jpg