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IT Center Blog

Kategorie: ‘IT-Security’

The Story of the Bug

November 9th, 2022 | by
Code lines „Failed to load resource“

Source: Unsplash

The download does not work? Probably a bug.

The lights of the WLAN router flash wildly in all possible colors? Could be a bug.

The software only throws error messages? A bug, for sure.

The term “bug” has long since crept into everyday life. Most people know it from working with electronic devices.

 

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RegApp – Start of the pilot phase on the cluster

November 2nd, 2022 | by
Login window with username and unrecognizable password

Source: Pixabay

Cluster users beware!

In preparation for higher security measures when logging in to the RWTH HPC Cluster, your HPC accounts will be switched to RegApp from 02. November 2022.

What is behind this and what will change for you?

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Email Security – Why Are Redirections Bad?

September 7th, 2022 | by
Illustration mail correspondence

Source: Freepik

The third part of our series of articles on e-mail security deals with the identification protocol DKIM and the standard method for e-mail authentication DMARC.

In our first article and second article on the topic of e-mail security, we informed you about the origins of e-mail and the current statistics in mail traffic at RWTH. In addition, we explained what the SMTP protocol is and what problems it can cause.

 

 

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The IT Center’s IT Security Measures

September 2nd, 2022 | by
Falling dominoes

Source: Freepik

With technological progress and the increasing digitization of processes, the topic of IT security is gaining more and more importance. The risks associated with digitalization affect us all. Improper behavior and naivety in dealing with information technology can have serious, costly consequences. That is why the security awareness of users in particular should be actively encouraged. IT security also plays a major role at the IT Center. In this blog, for example, we repeatedly draw your attention to security risks and explain how you can be more aware when using information technology. In this post, we would like to give you an overview of the IT security measures that have been implemented at the IT Center, for both yours and our protection. Read the rest of this entry »

Artificial Intelligence – Curse or Blessing for IT Security?

August 29th, 2022 | by
Illustration of a brain with networks as a symbolic image for artificial intelligence

Source: Freepik

We are increasingly coming across the term “artificial intelligence” (AI). Whenever we come across this term that has become a fashionable phenomenon in the media, there are regularly reports about self-thinking AI, fully autonomous means of transport or other similar applications. For many of us, it can be hard to figure out what is actually meant by the term. However, the application areas of AI that seem to be particularly popular in the media are in reality only a very small segment of the actual application field of AI. Many a user would probably even be surprised to know in which areas AI is already being implemented today. In this article, we would like to take a closer look at the term and explain what role artificial intelligence can play in the field of IT security.

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Hooray, Hooray the New Backup System Is Here!

August 19th, 2022 | by
Screen capture of the log-in area of the web console

Source: Own illustration

Trust is good, backup is better! If you can rely on a good backup of data and systems, you are already on the safe side. We know that this time it took a little longer than planned, but we would like to take this opportunity to thank all at RWTH Aachen University backup admins for their patience and trust. Of course, we would also like to thank our Friendly User Group, which has accompanied us since February ’22. Therefore we are even more happy to announce: We are ready to go! To the clients, install, register and assign server plan! You can read more about it in this article.

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Email Security – The SMTP Protocol and Its Problems (Sending and Receiving)

July 27th, 2022 | by
 Technical graphic for receiving and sending e-mails

Source: Freepik

In our first article on the topic of e-mail security, we gave an insight into the historical development of email. We briefly explained how email exchange works and referred to the statistics of the email service at RWTH Aachen University.

Today we’ll tell you about the transmission protocol “Simple Mail Transfer Protocol” (SMTP) and its pitfalls.

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E-Mail Attachments and Their Challenges

June 22nd, 2022 | by
Electronic document on laptop screen

Source: Freepik

Everybody has experienced this: You are working on documents with several people. When the work statuses then need to be exchanged, there are various approaches.

Still popular is the sending of attachments via e-mail. Sounds easy, but it can cause some difficulties.

To support you at this point, the IT Center has prepared a handout on how to deal with attachments. But let’s start from the beginning…

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Email Security – E-Mail & Mail Statistics at RWTH

June 15th, 2022 | by
Paper with @-Sign

Source: Freepik

About 50 years ago, the first e-mail was sent – albeit between two computer systems that were part of the same local network. In the 1980s, the internet was opened up to a larger circle of users and e-mail was given its own transmission protocol “Simple Mail Transfer Protocol” (SMTP).

Even today, the exchange of messages via e-mail is undoubtedly an important way of exchanging information between parties via an asynchronous communication channel.

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Before the Audit is After the Audit

June 8th, 2022 | by
Graphic representation of a desk

Source: Pixabay

In many fields, audits are part of everyday work. As soon as management systems are to be implemented, further developed or certified, one is inevitably confronted with this term. We previously reported on our last audit and our associated (re-)certification here at the blog as well. But what are audits exactly, why do they exist and how are they carried out? In our article, we will explain in detail what they are all about. Read the rest of this entry »