June 18, 2021 | 00:10

Quiz for more best practice and awareness

A quizzle for the weekend: Which of the following domains is most likely a malicious one? Look closely! ԁeutsche-telekom.de sparkasse-ԁarmstadt.de cloud.sessionID.cf.373.tw/323.fra.commerzbank.de Quite simple, some will say. Others claim they never fail to phishing mails or open unknown file attachments. This always happens to the others! Whoever knows such a person may pass this quiz to him or her. Read more

January 4, 2021 | 11:41

Hackback the Malware

Yesterday and today I’ve noticed the author malvuln1. He has uncovered vulnerabilities for 14 malware and backdoor applications. Yes, you are correct: He has found vulnerabilities in malware and backdoors, practically with proof-of-concepts to reproduce. No need to emphasise, that’s all Windows malware we’re talking about. Read more

October 5, 2020 | 20:00

Hacking - where are the limits?

In the previous webinar on IT risk assessment and information security, participants questioned me during the 15-minute live hacking session: Is this not illegal? We took a closer peek at the servers of an ambulant care unit and two other businesses. I found them by chance from a total of 28 million hosts1 across Germany using specific search terms. Read more

August 26, 2020 | 18:00

Fefe on today's programming

Felix von Leitner (Fefe) in his latest article1 at Heise wrote a very good statement straight out from the bottom of my heart: Programming is in reality more an optimisation problem (what is the least effort I have to invest to get the customer to buy this) than engineering design. Read more

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