Data mining firewall logs : Principal Component Analysis

Posted on by David Vassallo

In this article we'll explore how Principal Component Analysis [PCA] [1] - a popular data reduction technique - can help a busy security or network administrator. Any such administrator has often been faced with a daunting problem... going through reams of firewall or router connection logs trying to figure out if any of the thousands … Continue reading Data mining firewall logs : Principal Component Analysis

BLE Health Devices: First Steps with Android

Posted on by David Vassallo

Bluetooth Low Energy (also known as Bluetooth v4) is the current standard in Bluetooth Technology. It is particularly interesting to me when applied to healthcare devices, for a number of reasons: No pairing necessary. These healthcare devices are normally handled by carers or vulnerable people who do not want to go through the hassle of … Continue reading BLE Health Devices: First Steps with Android