Research Article

Detecting Anomalous LAN Activities under Differential Privacy

Table 1

Notation.

Differential Privacy (DP) Notation

Privacy budget
Probability of failing DP guarantees
Sensitivity of algorithm
Laplace distribution with mean 0 and scale
Normal distribution with mean and standard deviation

System notation
Number of LAN user s
Number of data collection intervals
User ’s ARP requests aggregate at interval
Aggregate ARP requests of all LAN user s at interval
Aggregate ARP requests of all LAN user s from interval 1 to
Output after applying privacy-preserving algorithm
Anomaly detection output