Peter Aaby P.Aaby@napier.ac.uk
Research Student
Privacy Parameter Variation using RAPPOR on a Malware Dataset
Aaby, Peter; Mata De Acu�a, Juan Jos�; Macfarlane, Richard; Buchanan, William J
Authors
Juan Jos� Mata De Acu�a
Rich Macfarlane R.Macfarlane@napier.ac.uk
Associate Professor
Prof Bill Buchanan B.Buchanan@napier.ac.uk
Professor
Abstract
Stricter data protection regulations and the poor application of privacy protection techniques have resulted in a requirement for data-driven companies to adopt new methods of analysing sensitive user data. The RAPPOR (Randomized Aggregatable Privacy-Preserving Ordinal Response) method adds parameterised noise, which must be carefully selected to maintain adequate privacy without losing analytical value. This paper applies RAPPOR privacy parameter variations against a public dataset containing a list of running Android applications data. The dataset is filtered and sampled into small (10,000); medium (100,000); and large (1,200,000) sample sizes while applying RAPPOR with = 10; 1.0; and 0.1 (respectively low; medium; high privacy guarantees). Also, in order to observe detailed variations within high to medium privacy guarantees (= 0.5 to 1.0), a second experiment is conducted by progressively adjusting the value of over the same populations. The first experiment verifies the original RAPPOR studies using = 1 with a non-existent recoverability in the small sample size, and detectable signal from medium to large sample sizes as also demonstrated in the original RAPPOR paper. Further results, using high privacy guarantees, show that the large sample size, in contrast to medium, suffers 2.75 times more in terms of recoverability when increasing privacy guarantees from = 1.0 to 0.8. Overall, the paper demonstrates that high privacy guarantees to restrict the analysis only to the most dominating strings.
Citation
Aaby, P., Mata De Acuña, J. J., Macfarlane, R., & Buchanan, W. J. (2018). Privacy Parameter Variation using RAPPOR on a Malware Dataset. In Proceedings of 17th IEEE International Conference On Trust, Security And Privacy In Computing And Communications (IEEE TrustCom-18) (8). https://doi.org/10.1109/TrustCom/BigDataSE.2018.00133
Conference Name | 2018 17th IEEE International Conference On Trust, Security And Privacy In Computing And Communications/ 12th IEEE International Conference On Big Data Science And Engineering (TrustCom/BigDataSE) |
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Conference Location | New York, NY, USA |
Start Date | Aug 1, 2018 |
End Date | Aug 3, 2018 |
Acceptance Date | May 6, 2018 |
Publication Date | Sep 6, 2018 |
Deposit Date | Aug 19, 2018 |
Publicly Available Date | Aug 28, 2018 |
Publisher | Institute of Electrical and Electronics Engineers |
Pages | 8 |
Series ISSN | 2324-9013 |
Book Title | Proceedings of 17th IEEE International Conference On Trust, Security And Privacy In Computing And Communications (IEEE TrustCom-18) |
ISBN | 9781538643884 |
DOI | https://doi.org/10.1109/TrustCom/BigDataSE.2018.00133 |
Keywords | Privacy parameter variation; privacy preservation; big data; RAPPOR; |
Public URL | http://researchrepository.napier.ac.uk/Output/1282066 |
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