Schlagwort: ‘IT security’
Cybersecurity 101: Protecting the Digital Footprint in the Digital Age
In today’s digital age, our lives are increasingly intertwined with the online world. From social media profiles to online banking accounts, we leave a digital footprint that can be vulnerable to cyber threats. Protecting our digital presence and maintaining online privacy is more important now than ever. In this blog post, we’ll go over the basics of cybersecurity and provide practical tips for protecting your digital footprint.
Pentest: The Attacks That Increase Security
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 »
Change-Your-Password-Day
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?
5 Tips on How to Keep Your Mobile Devices Safe
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 »
Computer Security Day: 5 Simple Tips to Improve IT Security
For most people, life without the Internet has long been unimaginable. Whether at home, at work or anywhere along the way – information technology is simply everywhere. However, its ubiquity also raises the question of its security. A question that experts already asked themselves back when the Internet had only just begun to develop. Since 1988, November 30 has been dedicated to IT security in many countries. The aim of this event is to raise general awareness of IT security and to educate users on the subject. To mark the occasion, we have compiled five very simple tips for more IT security in everyday life.
Beware of Meeting Invite Phishing Scam!
The way we work together has changed fundamentally in recent years. Among the major changes is the shift of work processes to the home office. Not only have everyday tasks had to be shifted into virtual space, but also the entire communication process. This is how online meetings and video conferencing became a central part of our working lives. The digitization of these work processes brings many benefits. However, it also confronts many companies and organizations with major challenges. One of these challenges is the drastic increase in cyber attacks. As is so often the case, Internet fraudsters have taken advantage of the new situation and quickly developed a variety of new types of fraud methods. These include, for example, phishing attempts via appointment invitations.
E-Mail Security – Why Are Redirections Bad?
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.
E-Mail Security – The SMTP Protocol and Its Problems (Sending and Receiving)
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.
CEO Fraud: When “Superiors” ask for Money
Online fraud schemes are constantly evolving and becoming more devious. In some cases, it can be extremely difficult to spot the scam. Yet one particular fraud method seems to be growing in popularity in recent years and, more importantly, causing ever greater damage: the CEO Fraud. In this article, we’ll explain exactly how this method works and how you can protect yourself from it. Read the rest of this entry »
E-Mail Security – E-Mail & Mail Statistics at RWTH
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.