What is a VPN (virtual private network)?

VPN implementations offer an affordable alternative for locally connecting networks, as well as making network resources available for external devices. In contrast to corporate networks, no private communication network is required. Instead, like the internet, VPNs rely on networks, and protect sensitive data through a process known as tunneling.   

QUIC – the Internet Transport Protocol based on UDP

Quick UDP Internet Connections (QUIC for short), is an experimental network protocol from Google. Further development of the protocol is being driven by IETF, which has set up a dedicated group working towards it. The QUIC protocol is intended to offer a speed-optimized alternative to the current transport standard TCP and builds on the connectionless protocol UDP to achieve this.   

S/MIME: the standard method for e-mail encryption

If you send an e-mail without additional security measures, it’s like sending a postcard: if everything goes as planned, the information should arrive unchanged and unread in the recipient’s inbox. However, if someone intercepts the card or the e-mail in transit, they can read the contents without any problem and make as many changes as possible. Just like you would use an opaque envelope to [...]   

Two factor authentication: Protection for your accounts

Poorly secured accounts on the web have repeatedly led thousands of people to become victims of hacking or phishing attacks and lose control of their accounts. With a two factor authentication, accounts can effectively be protected against such cases. Because more than just a password is required for log-in, internet criminals can’t do much with the spied credentials. Here, we explain how two [...]   

HTTPoxy: Behind the CGI vulnerability

Fifteen years after the discovery of the security flaw HTTPoxy, it’s still an issue with CGI applications. The reason for this is the fact that the Common Gateway Interface standard provides the use of environment variables to process HTTP requests. These can include header contents that modify the original proxy configuration, allowing hackers to redirect data packets to a completely foreign [...]   

Finding a website host: how to search successfully

If you want to release a new web project today, you need to find the right host. Hosts have become a popular alternative for large companies, since they enable convenient outsourcing of certain work areas or data, saving company resources. But how do you know which host and which hosting package best meets your needs? And why is the provider’s security concept such a crucial criterion nowadays?   

Comparison of the best antivirus programs

Antivirus programs have become essential for the security of our computers. Viruses, worms, trojans, and many other types of malware threaten to infect the system and cause considerable damage. Losing personal data and the consequences resulting from this can be extremely irritating. Software manufacturers are trying to combat malicious malware attacks with the help of intelligent antivirus [...]   

WLAN security: the best protection for your network

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 [...]   

What is MAC spoofing?

MAC spoofing is a method by which unique hardware addresses are masked using a Locally Administered Address (LAA) in the software. MAC spoofing can offer protection for your privacy when using public LAN or WLAN networks, but can also be used for illegal network activities. We explain to you here how MAC spoofing works and which settings in Windows must be accessed in order to change your MAC [...]   

Chrome 56: changes to make the web safer

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 [...]