LibreOffice 6.3 contains a new “redaction” feature. This feature allows editors to quickly redact (= remove) sensitive or confidential information from documents.
In this article, we show the risks of leaking information in documents, and the new redaction feature of LibreOffice.
Each month, we publish a review that covers the most important activities of the last 30 days. This month, we talk about Simjacker (again), web browser support for TLS, important security updates, MinTOTP, and more.
The second topic of this year’s European Cyber Security Month is “Emerging Technology”. We decided to address IoT (Internet of Things) devices at your home since many different devices are connected to the internet nowadays.
In this short article, we present several problems with IoT devices, and ways to secure them.
In recent weeks, some of us were heavily involved in preparing and hosting a public CTF contest in the context of this year’s European Cyber Security Month (ECSM). More than 1,000 teams registered, nearly 600 solved at least one challenge. Unlike most other CTFs, this one was focused on industrial security.
In this article, we give an insight into preparations and hosting of the CTF event, and discuss some lessons learned.
Broadly speaking, hygiene is about maintaining health by doing many different actions such as taking a bath, washing hands and clothes, or cleaning surfaces in rooms. When it comes to “cyber hygiene”—the first of two topics addressed by this year’s European Cyber Security Month—we think of “easy actions to keep or improve your level of information security”.
In this article, we present several quick actions to keep or improve your level of information security.