Security

How to identify phishing e-mails and protect your data

Identifying phishing e-mails: the telltale signs at a glance

Scammers send out dubious e-mails attempting to obtain sensitive data from internet users every day. This is known as phishing and isn’t just annoying; fraudulent e-mails cost millions each year as internet users fall victim to them. We reveal how to identify phishing e-mails and how to render your inbox harmless.

The best online backup services

Comparing the best online backup services

Many people use several devices and have data stored on them. What should you do if your data carrier fails or the data gets lost? Backing up data is extremely important and an online backup makes perfect sense. By doing this, you don’t risk losing your important files due to a system crash or criminal activitiy. What is the best option? Here is a comparison of online backup service providers.

ARP Spoofing: Attacks from the internal network

ARP Spoofing – flaws in network security

When it comes to network security, administrators focus primarily on attacks from the internet. But often times, the danger lurks in the internal network. If the LAN turns out to be a blind spot in the security IT, then internal attackers have an easy time. A popular method of attack is ARP spoofing. With this, hackers switch undetected between two communication partners in order to intercept,...

IP Spoofing: Fundamentals and counter-measures

IP Spoofing: Simple manipulation of data packets by attackers

Sending data over networks is one of the most important and highest utilised functions of the modern computer era. But the structure of the necessary TCP/IP connections makes it all too easy for criminals to intercept data packets along their way and either view or alter their contents. One of the most common methods of attack is IP spoofing, which allows DoS and DDoS attacks, among other things...

Social engineering – the security gap at ‘layer 8’

Social engineering: human vulnerability exploited

The most effective system break-ins often happen without a scene. Instead of disrupting central network devices with DDoS attacks or sneaking through onto operating systems with Trojan horse techniques, hackers increasingly try to exploit the human security gap. There are various such methods that fall within the broader category of social engineering: a technique that sees hackers gather publicly...

DNS over TLS

DNS over TLS: an improved security concept

The Domain Name System has a big security flaw: requests and responses are traditionally sent unencrypted. This provides Internet criminals with an ideal point of attack. Again and again, users are being directed to websites that they actually have no desire to visit. DNS over TLS acts as a deterrent. How does the security concept work?

HSTS: Reliably secure your HTTPS connections

HSTS: How the HTTPS expansion works

HTTPS, the network protocol for TLS-encrypted data transfer online can be circumvented in some cases. The danger is that encrypted websites can be accessed via unencrypted HTTP. But the HTTPS extension HSTS (HTTP Strict Transport Security) forces website access via TLS encryption, closing the security gaps that hackers like to use to intercept the HTTPS connection during transport using...

How to protect your website from malware

Malware on the server: consequences and countermeasures

A website operator is responsible for the security of a web project as well as the content. Neglecting security may lead to hackers easily infiltrating the system through security gaps. If a malware-infected website goes unnoticed, it could cause serious damage. It is therefore important to make sure your site is fully protected.

Password security

Password security: This is why password protection is still a hot topic in 2019

Internet protection is something that affects all of us. All online services remind us daily of the importance of using strong passwords to protect our accounts, but how many internet users actually follow the security recommendations? And what are the most common errors and their solutions? GMX wanted to know what the reality is in the UK and these are the results.

Changing an Outlook Password

Outlook: how to change your password for mail accounts, data files, and in the web app

Microsoft Outlook is one of the most popular client solutions for retrieving and managing e-mails. Using the software, multiple e-mail accounts can be easily combined and controlled through one interface. For this purpose, Outlook only needs information about the corresponding mail server and the respective log-in data. If you change these, you only have to adjust them in the client settings. But...


We’re all in this together. At IONOS we are
#hereforyou
Coronavirus is a challenge we need to face together.
We've created special offers on key products to help
your business keep going.
3 months free
Online Shop
Be where your customers are with your own online store.