Security

TOTP

Time-based one-time password: TOTP explained

Data leaks and hacker attacks mean that internet security is becoming increasingly important for users. Standard passwords based on names and dates of birth can be cracked in seconds and give criminals access to all kinds of accounts. In combination with multi-factor authentication, TOTP can provide a solution: a password which is only valid for a short time. How does this work?

Password Protect ZIP Files

Encrypting ZIP Files: How to Password Protect Your ZIP Files

The ZIP format enables you to combine multiple files or entire directory trees in a compressed container file. This not only saves hard drive space when archiving; ZIP files can also be password protected, if required, to safeguard archived content from third-party access. We show you how to do this.

WLAN security: the best protection for your network

WLAN security: how to make your wireless network into a fortress

When you’re traveling with portable devices, you’ll find public WLAN everywhere, giving you access to the world wide web. Even in residential and work spaces, practical wireless networking is widespread. It’s easy to forget that there’s a risk involved when transferring data using one of these access points. In the following article, we explain the biggest security risks and show you how to make...

Rainbow tables

What are rainbow tables?

Rainbow tables: they may sound innocent, but they’re actually a strong attack method for cybercriminals. Using rainbow tables, you can find out specific passwords in just a few seconds. To protect yourself and your users from such attacks, you should understand how the tables function. We explain rainbow tables using an example.

1Password Alternatives

1Password alternatives: the best password managers

Password managers are extremely practical tools to help remember the passwords for the many online accounts you may have. They usually work via browser extensions or desktop apps, and are available across most operating systems. Among the many password managers, 1Password has established itself as a solid tool for many users. However, 1Password is relatively expensive and there are doubts about...

Single sign-on

Single sign-on (SSO)

Online activity could be so simple – just enter your access data once and automatically be logged in for all accounts and services on the web, instead of having to remember dozens of passwords. This is, in fact, a reality for many websites, and the process is called SSO – single sign-on – and is becoming ever more popular among private and professional users. But what are the benefits of SSO, and...

OAuth

OAuth & OAuth 2: data usage across platforms

The “pathway to hell” – this is how Eran Hammer-Lahav once called the security protocol OAuth 2.0, on which he himself had worked for years. Others, however, use the service without issue. It enables users to use data and functions across multiple platforms in multiple services – for example, with the convenient single sign-on – using secure API authorization. But how exactly does OAuth2 work and...

Chrome 56: changes to make the web safer

Google is planning to label unsafe websites in Chrome

For two years now, Google has been actively promoting SSL encryption for websites. The search engine giant started acknowledging data transfer protection as a ranking factor in 2014, but now wants to go one step further. Users of Google’s browser, Chrome, will soon be actively warned about websites with unsafe data exchanges. This articles explains what the planned changes are and which...

Chrome Updates

What is Chrome 68?

Early next month, Chrome 68 will be launched and the new browser will distrust all webpages that do not have HTTPS encryption as “not secure”. This is a big step in the recent trend towards emphasizing user safety on the internet, a not entirely selfless strategy from Google. In this guide, we will explain what changes will be made, why they are happening, and how you can prepare your website...

SQL injection: Fundamentals and safeguards

SQL Injection: Protect your database system

There are daily reports on how security gaps in applications are exploited – because hardly a day goes by without a new gap being discovered or a known gap being closed. One attack method, which has always been based on exploiting such weak points, is called SQL injection. But what is actually hidden behind the malicious database exploitation and how can you protect your database system from it?

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