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Smart power grids offer to revolutionize power distribution by sharing granular power usage data, though this same data sharing can reveal a great deal about users, and there are serious privacy concerns for customers. In this paper, we…

Optimization and Control · Mathematics 2019-02-19 Matthew Hale , Prabir Barooah , Kendall Parker , Kasra Yazdani

In this paper, we first introduce the notion of channel leakage as the minimum mutual information between the channel input and channel output. As its name indicates, channel leakage quantifies the minimum information leakage to the…

Information Theory · Computer Science 2020-10-01 Song Fang , Quanyan Zhu

An attacker can gain information of a user by analyzing its network traffic. The size of transferred data leaks information about the file being transferred or the service being used, and this is particularly revealing when the attacker has…

Cryptography and Security · Computer Science 2022-09-12 Sebastian Simon , Cezara Petrui , Carlos Pinzón , Catuscia Palamidessi

More and more people are regularly using mobile and battery-powered handsets, such as smartphones and tablets. At the same time, thanks to the technological innovation and to the high user demands, those devices are integrating extensive…

Cryptography and Security · Computer Science 2016-09-12 Riccardo Spolaor , Laila Abudahi , Veelasha Moonsamy , Mauro Conti , Radha Poovendran

Intelligence is one of the most important aspects in the development of our future communities. Ranging from smart home, smart building, to smart city, all these smart infrastructures must be supported by intelligent power supply. Smart…

Cryptography and Security · Computer Science 2018-06-05 Zhitao Guan , Guanlin Si , Xiaosong Zhang , Longfei Wu , Nadra Guizani , Xiaojiang Du , Yinglong Ma

In most electricity theft detection schemes, consumers' power consumption data is directly input into the detection center. Although it is valid in detecting the theft of consumers, the privacy of all consumers is at risk unless the…

Cryptography and Security · Computer Science 2023-02-28 Zhiqiang Zhao , Yining Liu , Zhixin Zeng , Zhixiong Chen , Huiyu Zhou

Password strength meters (PSMs) have been widely used by websites to gauge password strength, encouraging users to create stronger passwords. Popular data-driven PSMs, e.g., based on Markov, Probabilistic Context-free Grammar (PCFG) and…

Cryptography and Security · Computer Science 2025-05-14 Ming Xu , Weili Han , Jitao Yu , Jing Liu , Xinyi Zhang , Yun Lin , Jin Song Dong

The rate-privacy function is defined in \cite{Asoodeh} as a tradeoff between privacy and utility in a distributed private data system in which both privacy and utility are measured using mutual information. Here, we use maximal correlation…

Information Theory · Computer Science 2015-10-09 Shahab Asoodeh , Fady Alajaji , Tamás Linder

Consider a data publishing setting for a dataset composed by both private and non-private features. The publisher uses an empirical distribution, estimated from $n$ i.i.d. samples, to design a privacy mechanism which is applied to new fresh…

Information Theory · Computer Science 2020-03-23 Mario Diaz , Hao Wang , Flavio P. Calmon , Lalitha Sankar

In this letter, we investigate the security of a single-antenna rechargeable source node in the presence of a multi-antenna rechargeable cooperative jammer and a potential single-antenna eavesdropper. The batteries at the legitimate…

Networking and Internet Architecture · Computer Science 2016-12-20 Ahmed El Shafie , Dusit Niyato , Naofal Al-Dhahir

Due to the recent popularity of online social networks, coupled with people's propensity to disclose personal information in an effort to achieve certain gratifications, the problem of navigating the tradeoff between privacy and utility…

Information Theory · Computer Science 2020-03-12 Chandra Sharma , George Amariucai

The widespread popularity of smart meters enables an immense amount of fine-grained electricity consumption data to be collected. Meanwhile, the deregulation of the power industry, particularly on the delivery side, has continuously been…

Computers and Society · Computer Science 2018-03-28 Yi Wang , Qixin Chen , Tao Hong , Chongqing Kang

We introduce a tunable measure for information leakage called maximal alpha-leakage. This measure quantifies the maximal gain of an adversary in inferring any (potentially random) function of a dataset from a release of the data. The…

Information Theory · Computer Science 2019-08-21 Jiachun Liao , Oliver Kosut , Lalitha Sankar , Flavio du Pin Calmon

Electricity prices and the end user net load vary with time. Electricity consumers equipped with energy storage devices can perform energy arbitrage, i.e., buy when energy is cheap or when there is a deficit of energy, and sell it when it…

Systems and Control · Electrical Eng. & Systems 2020-02-06 Md Umar Hashmi , Arpan Mukhopadhyay , Ana Bušić , Jocelyne Elias

A common countermeasure against side-channel attacks on secret key cryptographic implementations is $d$th-order masking, which splits each sensitive variable into $d+1$ random shares. In this paper, maximal leakage bounds on the probability…

Information Theory · Computer Science 2023-05-11 Julien Béguinot , Yi Liu , Olivier Rioul , Wei Cheng , Sylvain Guilley

We introduce a privacy measure called pointwise maximal leakage, generalizing the pre-existing notion of maximal leakage, which quantifies the amount of information leaking about a secret $X$ by disclosing a single outcome of a (randomized)…

Information Theory · Computer Science 2023-08-16 Sara Saeidian , Giulia Cervia , Tobias J. Oechtering , Mikael Skoglund

We present a differentially private mechanism to display statistics (e.g., the moving average) of a stream of real valued observations where the bound on each observation is either too conservative or unknown in advance. This is…

Cryptography and Security · Computer Science 2018-11-09 Victor Perrier , Hassan Jameel Asghar , Dali Kaafar

We consider the problem of behind-the-meter EV charging by a prosumer, co-optimized with rooftop solar, electric battery, and flexible consumptions such as water heaters and HVAC. Under the time-of-use net energy metering tariff with the…

Systems and Control · Electrical Eng. & Systems 2024-05-01 Minjae Jeon , Lang Tong , Qing Zhao

Smart meter devices enable a better understanding of the demand at the potential risk of private information leakage. One promising solution to mitigating such risk is to inject noises into the meter data to achieve a certain level of…

Cryptography and Security · Computer Science 2020-11-13 Haoxiang Wang , Jiasheng Zhang , Chenbei Lu , Chenye Wu

Advances in sensing and communication capabilities as well as power industry deregulation are driving the need for distributed state estimation in the smart grid at the level of the regional transmission organizations (RTOs). This leads to…

Information Theory · Computer Science 2016-11-18 Lalitha Sankar , Soummya Kar , Ravi Tandon , H. Vincent Poor