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This is a nice intro to public-key cryptography, and a bit of the math behind the "classic" public-key algorithms.

Some great advice on blogging as part of a learning community, like we're doing in this course.

This article is about a smartphone that's designed specifically to help you keep your personal information secure--it lets you easily encrypt your calls and texts and search the internet privately. There's also a video about ways to encrypt your email.

Nice find. I'm reminded of DuckDuckGo, https://duckduckgo.com/, the search engine that doesn't track you. At all.

So no controversy yet, but Yik Yak makes the front page of the Hustler...

The APWG is the global industry, law enforcement, and government coalition focused on unifying the global response to electronic crime through development of data resources, data standards and model response protocols and systems for private and public sectors.

Non-U.S. users frequently encounter the annoyance of geo-blocked content when trying to access popular sites like Hulu, but every now and then we feel the burn in the States, too. Reader hengehog details how to access BBC's iPlayer from outside the U.K.

"A few months ago, an officer for the Byron Police Department in Georgia made a routine traffic stop equipped with an unusual piece of technology: Google Glass."

Here's a podcast interview with Bill Binney and Ladar Levison, both featured in Citizenfour. Binney was the former NSA crypto expert we saw testifying in the film a couple of times, and Levison was the guy who ran the secure email service Lavabit that he felt compelled to shut down.

Security researchers have successfully broken one of the most secure encryption algorithms, 4096-bit RSA, by listening - yes, with a microphone - to a computer as it decrypts some encrypted data.

At a New York state elementary school, teachers can use a behavior-monitoring app to compile information on which children have positive attitudes and which act out. In Georgia, some high school cafeterias are using a biometric identification system to let students pay for lunch by scanning the palms of their hands at the checkout line.

This website provides a few instructions on how to increase your safety downloading apps from the app store. It also provides links to other websites which show the safety score of an app. Since most people (including myself) don't think twice about downloading any app that looks interesting, this is useful information to have.

This article explains a way that credit card information is stored safely without encryption. Tokenization is a completely different way of securing credit card information than encryption because it completely removes the credit card information and replaces it with a "token" that cannot be retraced to retrieve the credit card information. Encryption has the credit card information hidden somewhere, but tokenization erases it completely which makes it very secure.

E-text for a book detailing the fundamentals behind modern cryptography and how they are applied in practice. Lots of detailed information about various underlying theorems and mathematical properties and how they work, as well as various encryption techniques and cryptographic processes.

Here's some background on the Obama administration's decision to admit Syrian refugees to the US, and Republican governors who want to refuse entry. Alabama governor Robert Bentley: "I will not place Alabamians at even the slightest, possible risk of an attack on our people."

Apple's response to the court order directing them to comply with the FBI's request for a backdoor into the iPhone owned by one of the San Bernardino shooters.

That Reply All podcast episode about Yik Yak I mentioned in class the other day? They've just updated their January story (which focused on events at Colgate University) putting in context of recent events at Missouri and Yale.

Whether it is on Facebook, Twitter or a text on your cell phone, many will see photos and videos flying through cyberspace over the holiday season. Maybe some of these pictures and videos won't be so joyous; this is when digital decisions may have been made in haste.