On Monday I successfully completed the physical tests and became an army reservist. Exactly three months after finishing the basic course in Vyškov. Why the delay? I injured my shoulder — fortunately it wasn't serious. A month without loading it, painkillers, and physio...
Due to an order from the Chief Medical Officer of the Ministry of Defence, I had to take a PCR test for COVID-19 before starting my military exercise. All my important personal details are stored in ISIN (Infectious Disease Information System) — I just had to register by phone.
T...
After moving in, we wanted to get settled, which meant drilling a few holes for wall plugs. Drilling in an unfamiliar flat is always a lottery — you never know what's under the plaster. I have a Bosch impact cordless drill that comes supplied with what look like masonry bits. Or...
Online learning is nothing new for me — I take courses from time to time. But during the crisis there was no alternative to online teaching, whether for school or continuing education. I got to experience it from both sides — as an inst...
Like all applications (Webex, Skype, etc.) Zoom also has bugs, which it's now scrambling to fix as fast as possible — see the plan published on their blog.
This issue has already been resolved and only affected...
Over the course of a month I had the chance to take part in four different NetWars (DFIR, ICS, Cyber Defense, and Core). Each one focuses primarily on something different, but they all have one thing in common — they develop knowledge and practical skills. Under pressure (...
Given that online learning was coming up, I finally tackled something I'd been putting off — a factory reset of my Turris router. Why? Well, after one update I couldn't manage the router through the UI. I kept seeing Bad gateway. After reboots, endless updates and tweaking a...
In the Prime Minister's Sunday address (5 April 2020) someone noticed the back of the paper he was reading from. There was an email addressed to him, subsequently forwarded to a third party (working for the company Imoba). I was curious about which email domain the Prime Minis...
In the end I completed only five weeks (due to the pandemic). In this post I'd like to summarise my impressions and observations from the course. You will definitely leave all your bubbles, comfort zones, and conveniences behind.
The first week is about adaptation — a l...
Just as the internet changes every day, online security has to keep up. Below you'll find a few links to useful resources on internet security and privacy.
The Security Roundup series, published every Monday on Root
News from the national team CSIRT.CZ...