Analysis of 3000 BMT Recruits

Have you ever wondered how old is the average BMT recruit? How many are new citizens? The article will explore a dataset of 3287 recruits from the 01/17 batch and present both facts as well as conjectures which I made. In the dataset, there are a total of 4534 ...

Replicating UVB-76

For the uninitiated, UVB-76 is a station that broadcasts coded messages over AM radio. It is still active with messages transmitted as recently as Oct 2016 and is speculated to be related to the Russian military. The transmission and tone generation equipment are from the analog era, hence I was ...

IP Hiding and Cloaking for Services

It is relatively easy to hide the IP address of clients through the use of VPNs and proxies. However, it is a challenge for services since they need to be reachable by the clients. Imagine if your phone number changed at the stroke of midnight everyday, it would be very ...

Analysis Of 35000 Senior Civil Servants

The civil service received a half month year-end bonus this year amid the economic downturn, but have you wondered who they are? Where do they work? Disclaimer The analysis was conducted using publicly available data from the Singapore Government Directory (SGDI). The data was pieced together from over 4000 webpages ...

Authenticating with NRIC numbers

I was recently asked to take a survey which authenticated users solely using IC numbers. According to guideline 6 of PDPC's advisory on the use of NRIC numbers, NRIC numbers are widely used for various business purposes and organisations that use NRIC numbers as user names or membership numbers ...

Security Theatre: Samsung Note 7

Go google for photos of 'exploding Note 7' and you will realise that in every single photo, the phone is still intact in a one piece. If the phone really exploded, you would be looking at fragments scattered over an area. The Note 7 caught fire. It didn't explode ...