IT Center Blog

Schlagwort: ‘SafetyFirst’

QR Code Attacks

June 12th, 2023 | by
QR Code with mobile phone

Source: Own illustration

QR codes have become increasingly popular in recent years and are now used in almost all areas – whether in advertising, retail or public spaces. Especially since the Corona pandemic, QR codes have gained a lot of importance. For example, they made contact tracking in restaurants or contactless ordering in the catering industry possible. Many users appreciate QR codes because of their simplicity and the time they save, as they can be easily captured with a smartphone. At the same time, however, QR codes can also pose a threat to IT security. In this article, we’ll explain what you should always keep in mind when using QR codes.


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Increase Safety on Social Media

March 27th, 2023 | by
Social Media Icons

Source: Freepik

Social media has influenced and simplified our everyday lives in many ways. It allows us to quickly and easily stay in touch with friends and family, keep up with news and trends, and share our lives online. But using social media also comes with certain risks, especially when it comes to privacy and IT security.

In this blog post, we will explain how you can keep yourself safe and what you should pay special attention to when using social media. Read the rest of this entry »

Pentest: The Attacks That Increase Security

February 27th, 2023 | by
Man with hat in front of laptop

Source: Own illustration

Cyber attacks have become a normal part of daily business for companies and organisations, and the question of how to protect against these attacks is playing an increasingly important role. It is particularly important to understand how hackers carry out their attacks. For this reason, many companies and organisations are even voluntarily becoming targets by commissioning IT experts with so-called penetration tests. In this article, we will explain exactly how these tests are performed. Read the rest of this entry »

Safer Internet Day 2023

February 6th, 2023 | by

Whether at work, at university, or during leisure time – the Internet and digital devices have become an omnipresent part of everyday life for the majority of people. We surf the internet from anywhere, at any time of the day. The question that arises though is: How safe is our use of the new media actually?

Numerous studies have repeatedly shown that many users massively underestimate the dangers associated with the use of new media. Year after year, the press reports on numerous cyber attacks in which the naivety and ignorance of users often lead to serious consequences. There is consensus among experts on one point: the most effective way to strengthen IT security is to raise awareness and train each individual user. This is exactly what the global Safer Internet Day (SID) campaign aims to do. Read the rest of this entry »


February 1st, 2023 | by
Keyboard, notepad with password "12345" and combination lock on black background

Source: Freepik

Today is the official “change-your-password-day”. We would like to take this opportunity to once again draw attention to the importance of password security and have prepared a few tips for you.

Because hand on heart – when was the last time you changed your passwords?

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5 Tips on How to Keep Your Mobile Devices Safe

January 23rd, 2023 | by
Illustration of a smartphone

Source: Own illustration

They keep us connected at all times and in all places. They accompany us everywhere, wake us up, remind us of important appointments and provide us with entertainment. We are, of course, referring to smartphones. What was originally intended as a means of communication is now a calendar, camera, photo album, pocket watch, navigation device, pedometer and game console all in one. Even as most-used devices for Internet access, mobile devices have long since surpassed desktop computers. Smartphones are the very top of the list.

Mobile devices are practical everyday helpers, but they also hold a large amount of personal data, such as bank and credit card information. It is not uncommon for these end devices to even be used for two-factor authentication for bank transactions and other services. This makes them a popular target for hackers. With a few tips, you can effectively protect your mobile devices and the data stored on them. Read the rest of this entry »

Threat Hunting – Tracking Down Threats

December 19th, 2022 | by
Illustration of a laptop with a magnifying glass. The magnifying glass makes security incidents visible.

Threat Hunters uncover security risks before they are detected by the system.

Source: Own illustration

After sneaking into a network, attackers can remain undetected for months, collecting data, searching for sensitive material, or acquiring credentials. They can then use this information to roam around the IT infrastructure, to observe it and to snatch even more data. The more data is tapped, the more severe the consequences of the attack may be. To identify such attacks as early as possible, a good defence strategy is essential. An important part of such a strategy is so-called Threat Hunting. Read the rest of this entry »

Gamification meets IT Security

October 31st, 2022 | by
Symbol image for gamification

Source: Own illustration

When dealing with information technology, a whole range of dangers may lurk. In this context, the “human factor” is often presented as a particularly large and important challenge. Ignorance, naivety and a lack of caution are the most common causes of so-called insider threats. Experts agree on one thing: IT security can only be as good as the people who operate the systems.

For a security concept to be implemented successfully, it first has to be understood by the users. IT security awareness training courses are often used for this purpose. These are designed to strengthen the general understanding of security and to illustrate concrete risks. One of the most important strategies here is called gamification. Read the rest of this entry »

Honeypot – How to Lure Cyber Criminals

October 7th, 2022 | by

Source: Freepik

Sometimes the best defence is a strong offensive. When it comes to IT security, the demand for offensive security measures is greater than ever. These often rely on techniques and approaches that are actually used by criminal hackers to lure user into traps. But attackers themselves can also be tricked into a trap. Honeypots are not only used to attract bears. They can also be used to catch cybercriminals in the act. In this article, we will explain what a honeypot is and how it can be used to increase IT security. Read the rest of this entry »

Attention: Spear Phishing Emails in Circulation

September 30th, 2022 | by
Arrow through laptop

Source: Own illustration

In the last weeks, there have been more spear phishing attacks on RWTH email addresses. In this article, we would like to make you aware of these attacks and explain how you can recognize spear phishing emails. You have received a spear phishing email to your RWTH email address? We explain how you should best proceed. Read the rest of this entry »