URL Homograph Attacks Can Deceive Anyone
Feb 5,
2019
“If it looks like a duck, and it quacks like a duck, it must be a duck!” Or so the famous saying goes. But that isn’t always true on the web or in print. Two symbols can look visually identical and be something completely different. By “different” I mean “be represented by different encodings”. That […]
Your Linear Regression Need Not Be Linear
Jan 31,
2019
Anyone who has ever done a linear regression in R has seen an R formula. R formulae are examples of the Wilkinson notation, sometimes called the Wilkinson-Rogers notation. This same notation is used by other applications including Matlab and Octave to indicate relationships between variables. In most cases, R users have seen the Wilkinson notation […]
Fraudsters Use Padlocks, Too: More on Certificate Use and Abuse
Jan 29,
2019
A couple of months I wrote here about HTTPS and website security from a user standpoint. I need to add to that because bad guys can also use the digital certificates that make browsers show green padlocks or avoid notices about unencrypted sites. The issue here is that the certificate that lets a site use […]
Microsoft Office Compatible Productivity Tools on Your Mobile Phone or Tablet
Jan 23,
2019
Use Polaris Office to access Microsoft Word, Excel, PowerPoint files on your mobile phone just like you do at your office! Let’s face it a majority of businesses use Microsoft Office productivity tools every day. But one day you find yourself on the road traveling on business without your laptop and you need to access […]
Using .RProfile to Customize your R Environment
Jan 22,
2019
When R starts up, it looks for several files to initialize its configuration. R has its own configuration file called Rprofile.site located in the /etc folder. It is probably wise not to mess with this file unless you are very confident in your understanding. Most R users are aware that during startup, R reads an […]
