Friday, September 06, 2019

Password Checking Tools

Neil Plotnick shared some Password Checking Tools on Facebook recently. I’ve used some of these in the past and find them useful and instructive.

The more security aware of my students always ask me how safe it is to use these websites. I tell them to use things they think are good passwords but not ones they actually use. Some of the sites make the same recommendation.

The first two sites above give an estimate for how long it would take a computer to brute force crack the password. The estimates don’t always agree. This is not surprising as they are probably based on some slightly different assumptions. The time scale is more important than the actual number though.

The third site explains why a password it strong or weak which is very useful. One thing that is interesting is the impact of special characters. I have run into a number of sites that don’t allow special characters in passwords. I find that surprising and wonder why that is. I’d rather require their inclusion.

Having students in a programming class write their own password checker is a great exercise by the way. It helps reinforce string manipulation, general parsing concepts, and password safety all at the same time.

Thursday, September 05, 2019

NCWIT Award for Aspirations in Computing

This is a great program for high school girls interested in technology. I have had several students get awards at the state level and they all say it has been a good thing for them.


Hello Educators! Applications for the NCWIT Award for Aspirations in Computing are now open! The deadline is November 5th, 2019. As an educator, you play a pivotal role in supporting the next generation of technologists. When 2018 AiC Award recipients were surveyed about their motivation to apply for the award, 65% of respondents named outside encouragement to apply. When asked about who most influenced the award recipient to apply, 62% of respondents named Teachers/Educators. Encourage your students to apply and spread the word!

When you endorse a student’s application, you are eligible and encouraged to apply for the NCWIT Educator Award. Applications are due December 2nd, 2019!

https://www.aspirations.org/participate/high-school

Wednesday, September 04, 2019

The Scratch Course For Teachers

This looks like a valuable free professional development course for teachers interested in incorporating Scratch into their curriculum.


"The Scratch Course" is a free, six week, online workshop style course for teachers interested in learning more about programming with Scratch. Originally created through funds from Google's CS4HS program, this course has served over 1000 teachers from around the world in the last five years. We are preparing to offer our fall 2019 section of the course starting on Monday, September 16. For more information about the course and to pre-register, visit: https://csed.uni.edu/scratch-intro/