The media initially attributed the hack to a couple of cheap second-hand $10 switches. However, according to further reverse engineering, this is not a snatch and grab but a full scale bank heist perpetrated by determined adversaries with resources at their disposal. Even if the bank had purchased and properly ...

I have recently acquired an electricity usage meter off ebay and decided to measure the power consumption of some of my devices. For a device that costs just 15 SGD, it works wonderfully and can measure voltage, amperage and wattage. It is supposed to be able to calculate electricity cost ...

My ISP recently gave me a free speed bump from 500Mbps to 1 Gbps. I wanted to test if it was possible to fully utilise the bandwidth on a single file transfer. Firstly, we need to look at the test file size. I settled on a roughly 500MB to 1GB ...

A port can only be bound to one service at a time, which makes perfect sense since the OS cannot possibly know which application to route the packet to. However, protocols often have distinct signatures, for example the first few bytes of SSH is always SSH-2.0 while HTTP packets ...

Technical prowess, Legal expertise and Guts. That is what you need to go up against a Nation State Adversary. We shall take the Apple vs US Government debate as an example. Apple obviously has the technical prowess to store the iPhone's PIN code securely. If it were easily retrievable ...

Many people have the misconception that biometrics such as fingerprint readers are more secure than passwords. It probably stems from Hollywood spy movies showing Top Secret facilities protected by biometric devices. However, for the vast majority of us who use sensible 8-12 character passwords and limit reuse, passwords are generally ...