Tech Teaching

Teaching with Design Principles

Design principles help students learn the essentials of technical design tasks. Students apply simple-sounding rules to…
Grade School Crypto Videos

This is a short, gentle two-part introduction to basic cryptographic concepts using text-based crypto examples. The…
GPT and Confirmation Bias

“Garbage in, garbage out.” In computing we’ve recited the GIGO motto since I was in diapers…
Cybersecurity for MSSE 2023

MSSE second-year students may request a cybersecurity elective as course SENG 5271. If the course is…
Online Course: Cloud Top Ten Risks

I am pleased to report that the fourth course for the University of Minnesota in my…
Cybersecurity for MSSE 2022

I am offering an online cybersecurity elective to MSSE second-year students for 2022: SENG 5271. It…
Cloud Security Specialization Launched

The University of Minnesota now offers a Cloud Security specialization through Coursera. It contains four courses…
Memory Sizes: Now with zetta and yotta!

One of the most popular pages on this site provides a simple conversion to map numbers…
2021 MSSE Cloud Security Elective

UPDATE: This elective will be offered to second-year MSSE students at the University of Minnesota as…
Solo Studio for Video Lectures

I’ve been recording video lectures for a Coursera specialization in cloud computing. The first of the…
FCPX and the Solo Studio

In other posts I describe how I’m producing videos for a Coursera specialization. This is a…
Online Course in Cloud Security Basics

I now offer an online course on Cloud Security Basics under the auspices of the University…
WPA2 Packet Frame Format

Wireless Protected Access, Version 2 (WPA2) is the version of Wi-Fi security used in most cases…
Organizing Video Clips for an Online Course

I’ve signed on to do a Coursera online course on cloud security. I’ll share more details as…
Cryptosmith Video Series

I have posted the fifteenth video in the Cryptosmith Series on practical basic cryptography. These videos use animation…
MSSE Cybersecurity Course 2017

Members of the University of Minnesota’s MSSE Class of 2017: the cybersecurity course (titled “Data and Network…
Adieu, Online School

I have shut down my online school. It was an interesting experience, but not a cost-effective…
Reviewer Links for Cloud Computing

Thank you for reviewing Cloud Computing videos! I’m posting draft videos on my Vimeo site. Here…
Streamlined NSTISSI 4011 Training Certificate

Cryptosmith Institute now offers a second option for earning an NSTISSI 4011 training certificate: The original option:…
MSSE Cybersecurity Elective 2016

I am offering a Cybersecurity elective for students registered in the University of Minnesota’s Master of Science…
Digital’s RT-11 File System

(Circa 1975-199?) The PDP-11 computer, build by Digital Equipment Corporation (DEC) in the late 20th century,…
Kilo mega giga tera

I am not keeping this page up to date. Please visit https://cryptosmith.com/2013/10/18/memory-sizes-kilo-mega-giga-tera-peta-exa/ instead. Here is a…
Memory Sizes: kilo mega giga tera peta exa

Here is a table summarizing large numbers, their names, and the number of bits they require…
Boston University’s RAX Library

(circa 1973-8) Boston University (BU) developed its own timesharing system in the 1970s for its IBM 360…