Piazza is a learning management system that allows students to post questions which are then answered by fellow students or the lecturer. One of the features of Piazza is anonymous posting where students can choose not to reveal their names. Unfortunately, correlations can be made through ...

Background : Uber or one of its contractors uploaded a security key to a public github gist. Malicious actors were able to use the key to access the database and made away with personal details of 50,000 Uber drivers. Article here. This is one of those pesky little problems with version ...

I was doing my crypto homework and found that there was no text binning tool available online. Hence, I decided to write my own. A text binning tool is useful for: Encryption using a rail cipher Cryptanalysis of a vigenere cipher after you know the key length - useful to separate each bin so ...

Living in DC has accorded me a number of privileges. Chief among them is the proximity to government offices as well as many NGOs. I am literally walking distance away from their offices. As a result, I have attended a number of press conferences and panel discussions led by current and former ...

Recently, I moved into a new environment and had the opportunity to witness a number of processes. This experience further reinforced in me the importance of policies over technical measures. Physical authentication is simple compared to its online equivalent. For a small sized population, we ...

Recently, I had the fortune to come across a spare DSL1015EN router cum modem. After dismantling the external case, this is what the internals look like. On the left, we can see 2 u.fl connectors for the antennaes. If I wanted to, I could get a RP-SMA adapter and hook up some 9-dbi antennaes ...

Disclaimer : The information provided here is solely for educational purposes. The system I would be looking at is the ST Electronics' ST8100 Securnet. This is an integrated security management system that includes an access control module that manages physical access to facilities. One of the ...

Considering how many people actually use their birthday as their ATM pin, this is bad from a security standpoint.