Android Security Update April 2022

Android users should note that their latest security updates were released for multiple devices lately. This included fixes for some known targeted backdoors. We recommend that all users make sure their Android devices have these newest security updates installed to ensure they continue to remain as protected as possible. You can read more about Android… Continue Reading Android Security Update April 2022

Mozilla (Firefox) security vulnerability and update – March 2022

Two serious security vulnerabilities have been announced over the weekend for Firefox, Firefox ESR, Firefox for Android, Focus and Thunderbird. The security vulnerabilities are already fixed in Firefox 97.0.2, Firefox ESR 91.6.1, Firefox for Android 97.3.0, and Focus 97.3.0. Therefore, it is recommended that users of these products update them immediately. More information about the… Continue Reading Mozilla (Firefox) security vulnerability and update – March 2022

Linux/Ubuntu Security Updates – February/March 2022

Two serious security vulnerabilities, CVE-2021-4034 and CVE-2021-44731, have been announced recently. Both vulnerabilities, which affect most Linux-based systems including Ubuntu, potentially allow attackers to gain root privileges and take full control of an unprotected system. Patches are already available for both vulnerabilities, so please, if you have an IST computer running Ubuntu, make sure that… Continue Reading Linux/Ubuntu Security Updates – February/March 2022

Linux kernel vulnerabilities (BleedingTooth)

Andy Nguyen discovered that the Bluetooth implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service (system crash) orpossibly execute arbitrary code. Please update your system as soon as possible (sudo apt-get upgrade in the Terminal). If it’s currently not possible for… Continue Reading Linux kernel vulnerabilities (BleedingTooth)

security flaw in Apple mail for iOS (iPhone/iPad)!

Attackers could hijack your apple mail-app on iOS – they then could read/delete/write mails with your account. If you’re not sure if your account is save, please deactivate mailsync on your device. a guide how to do so can be found here and wait for the next iOS-Update. Security researchers say the iPhone has a… Continue Reading security flaw in Apple mail for iOS (iPhone/iPad)!

Pi-hole is protecting our network.

Well, at least parts of it – currently the ISTWlan and some admin-networks as well as Windows clients in all networks are using this service. One of the major security issues when dealing with phishing/SPAM Emails, is the risk, that people visit links to enter data, or even worse visit links which trigger local vulnerabilities… Continue Reading Pi-hole is protecting our network.

How to safely share data

Sharing data (documents, images, databases,…) to internal and external users/collaborators is a very common task we do every day. Safely sharing is not always necessary, but usually suggested. When is it necessary to share safely? The following data needs to be shared safely: Documents/data containing personal data (e.g. CVs, passports, addresses, grades, …) Financial data… Continue Reading How to safely share data