Aug 162016
 

I read an article titled Frequent password changes are the enemy of security which I find misleading and missing the point.

In this article, Carnegie Mellon University professor Lorrie Cranor, who became chief technologist at FTC challenges FTC’s advice

FTC’s advice: Encourage your loved ones to change passwords often, making them long, strong, and unique.

... read more
Oct 132015
 

Elliptic Curve Cryptography: computing shared key

If Alice and Bob want to exchange encrypted messages, they need to first agree on a Key. This shared key (also known as symmetric key) will be used to by both parties to encrypt messages. There are many ways of arriving at the shared key (including the old fashioned ... read more

Mar 232014
 

Microsoft and Nokia missed the boat on tablets and smartphones. Microsoft’s Surface RT tablets were priced very high, and there were not many takers, with the result that Microsoft wrote off 900 million dollars as inventory adjustment. Nokia Lumia line with Windows Phone OS has been well received. Microsoft has bought Nokia’s struggling phone business. ... read more