Archive for July 2020

System Administrator Appreciation Day

System Administrator Appreciation Day July 31, 2020 – 21st Annual Friday, July 31, 2020, is the 21st annual System Administrator Appreciation Day. On this special international day, give your System Administrator something that shows that you truly appreciate their hard work and dedication. Let’s face it, System Administrators typically get no respect 364 days

Cyber-attacks to power utility

Cyberattacks targeting a local power utility or end-user systems could propagate to the national bulk-power system and affect millions of people. We know that terrorists and state-sponsored actors already have the capabilities to disrupt a country’s power supply. The human costs of power-supply disruptions can go far beyond inconvenience. On 1 May, Donald Trump signed

Dirt cheap frame grabber

This is a story of a a video digitizing circuit I built early 1990′s. It kind of worked, but was not practical then and much less useful nowadays. It is an interesting how simple circuit could be used for converting analogue composite video signal to digital for computer processing. This is the story of Dirt

USB cameras connected to Android 10 device do not work

I used to use some external cameras like microscope and endoscope connected to my Android phone with OTG cable. Google Android documentation says that many standard USB cameras should generally work with Android: The Android platform supports the use of plug-and-play USB cameras (that is, webcams) using the standard Android Camera2 API and the camera

Micro USB and Apple combined connector

There are standard USB connectors and non-standard special custom connectors in different USB cables. On those special non-standard USB connectors, I have earlier covered Reversible USB connectors that make old USB connectors (like USB A and micro-USB) so that they can be plugged in both ways (like USB type C connector). One day when I

Cyber security news July 2020

This posting is here to collect cyber security news in July 2020. I post links to security vulnerability news with short descriptions to comments section of this article. If you are interested in cyber security trends, read my Cyber security trends 2020 posting. You are also free to post related links to comments.