TfL Oyster: Why I Pay in Person

I have a travel card for London’s Underground. I renew it by going up to the machines in the station. Every time I finish my transaction, the machine asks “next time why not renew online?” There’s a really good reason: time. I can get that whole transaction done in 90 …

I Pwned Your Server

If you haven’t seen some of the great comedy videos made with “text-to-video” software Plotagon (or its predecessor Xtra Normal), you should. They basically involve deadpan, computer voices reading some fairly funny scripts. Likewise, if you haven’t seen the article about #ScumbagPenTester, it’s worth a read. It inspired me to …

Writing Good Exam Questions

I help write lots of “assessment questions”—some are for quizzes after courses, others are just review questions during courses. Some are for industry certifications like the CISSP and CSSLP. Some help teach, others gauge the effectiveness of teaching. I tend to be pretty good at it, so I put together …