Everything You Wanted to Know About Encryption in Just 10 Minutes Education – Partnership – Solutions OBF All-Staff Meeting May 24, 2016 Everything You Wanted to Know About Encryption in Just 10 Minutes Information Security Office infosecurity@utdallas.edu

Data has value, therefore someone wants to steal it. Education – Partnership – Solutions Data has value, therefore someone wants to steal it.

Education – Partnership – Solutions Why Be Concerned?

Education – Partnership – Solutions Why Be Concerned?

Education – Partnership – Solutions Why Be Concerned?

Education – Partnership – Solutions Encryption makes it possible to achieve privacy using communication and storage methods that were not designed for privacy.

Encryption is another word for math. Education – Partnership – Solutions Encryption is another word for math.

So let’s have a quick math lesson. Education – Partnership – Solutions So let’s have a quick math lesson.

Math Can Be Reversed Addition is reversed by subtraction Education – Partnership – Solutions Math Can Be Reversed Addition is reversed by subtraction Multiplication is reversed by division 12 x 8 = 96 96 / 12 = 8

Let’s Encrypt “8” and Send It Education – Partnership – Solutions Let’s Encrypt “8” and Send It 12 x 8 = 96 12 is the encryption key we agreed on x is the algorithm 8 is the data that I need to send you 96 is the encrypted message

Let’s Receive “96” and Decrypt It Education – Partnership – Solutions Let’s Receive “96” and Decrypt It 96 / 12 = 8 96 is the encrypted message / is the algorithm that reverses x 12 is the encryption key we agreed on 8 is the decrypted message

Encryption Over the Years Education – Partnership – Solutions Encryption Over the Years

Keys Are Getting Longer Education – Partnership – Solutions Keys Are Getting Longer

Virtual Private Network (VPN) Education – Partnership – Solutions Virtual Private Network (VPN) Remote access allows you to work from anywhere in the world by encrypting data while transmitted over the Internet.

Virtual Private Network (VPN) Education – Partnership – Solutions Education – Partnership – Solutions Virtual Private Network (VPN)

Education – Partnership – Solutions Hard Drive Encryption can protect all of the contents in the event that it is lost or stolen.

Education – Partnership – Solutions Hard Drive

Education – Partnership – Solutions Hard Drive

Education – Partnership – Solutions Hard Drive

Education – Partnership – Solutions Web Browsing Websites that use https:// rather than http://, look for the “s” when doing banking or financial transactions.

Education – Partnership – Solutions Web Browsing Websites that use https:// rather than http://, look for the “s” when doing banking or financial transactions.

Education – Partnership – Solutions Email Encryption is like sending a letter in an envelope, instead of sending a postcard that anyone can read while handling it.

Education – Partnership – Solutions Email

Email Off Campus sue@gmail.com ben@utdallas.edu Education – Partnership – Solutions Email Off Campus sue@gmail.com ben@utdallas.edu

to include [encrypt] trigger in subject line Education – Partnership – Solutions Email Off Campus sue@gmail.com ben@utdallas.edu  Situation Confidential Data Controlled Data Public Data Emailing anyone that does not have a @utdallas.edu email account, such as business partners, colleagues at other universities, incoming students, etc. Required to include [encrypt] trigger in subject line Recommended Email encryption not required

UTD Campus Email sue@utdallas.edu ben@utdallas.edu Education – Partnership – Solutions UTD Campus Email sue@utdallas.edu ben@utdallas.edu

UTD Campus Email sue@utdallas.edu ben@utdallas.edu Situation Education – Partnership – Solutions UTD Campus Email sue@utdallas.edu ben@utdallas.edu  Situation Confidential Data Controlled Data Public Data Two or more UT Dallas users all communicating with @utdallas.edu email accounts Email encryption not required

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