New document : 5 minutes to understand DNS cache poisoning

The DNS (Domain Name System) is a key service of the Internet. It is a giant, hierarchical and distributed directory that associates IP addresses with domain names that are easier to identify, remember and transmit. It is the cornerstone of the Internet, whose infrastructure has flaws by its very conception, making it an ideal target for attacks. On one hand, the DNS service is based on the authoritative DNS, which holds the information, and on the other hand, the resolver DNS, which ca... Read More

What is Extended Validation (EV) and how important is it?

SSL certificates ensure the encryption and integrity of data exchanged between a browser and a web server. There are different levels of certificates, Extended Validation (EV), Organizational Validation (OV) and Domain Validation (DV), which vary depending on the degree of authentication. The Extended Validation type SSL certificate provides the highest level of SSL authentication. It is obtained through a comprehensive and globally standardized identity verification process established by ... Read More

Phishing, slamming and other fraudulent e-mails: stay alert during the summer holidays!

Every year, the summer holidays announce the upsurge of fraudulent e-mails mass campaigns. Indeed, cybercriminals try to profit from these periods when the vigilance is sometimes lowering, to launch phishing e-mails. What are phishing and slamming? Phishing is used by cybercriminals to obtain personal information in order to commit an identity theft. In the world of phishing (for 80% of companies this is the entry vector for attacks in 2020), the slamming is a well-known... Read More

New document : 5 minutes to understand SSL / TLS certificates

An SSL (Secure Socket Layer) or TLS (Transport Layer Security) certificate is a digital certificate that authenticates a server (most often a web server) and encrypts the data exchanged with it. The data is thus exchanged in confidence between two actors whose identity is known. The data exchanged cannot be spied on or altered by a third party: confidentiality and integrity. Download this document “5 minutes to understand: SSL / TLS certificates” on Nameshield’s website. ... Read More

New document available on the Nameshield’s website: “5 minutes to understand – Abusive domain names registrations

The digital world is in perpetual evolution and every days, new domain names are registered around the world. Among these new registrations, some can potentially affect your notoriety, your activity, and your results. Fraudsters, through these abusive domain names registrations, seek to benefit from your notoriety as quickly as possible. Find in this “5 minutes to understand” document, available for download on the Nameshield’s website, the different practices of abusive domain n... Read More

New document available on the Nameshield’s website: “5 minutes to understand – Data theft of a website

Every day, new cyberattacks are threatening companies’ defense systems, and further weaken relations with web users, particularly on e-commerce websites. Identity theft and data theft have become common.The risks of a malicious person intercepting the data transmitted by the web user on your website and more generally all the information transmitted between the browser and the server of your website ,are increasing significantly.Find in this “5 minutes to understand” document, availab... Read More

Firefox 83 launches HTTPS-Only mode

On November 17, Mozilla released the version 83 of the Firefox browser, promising improved performance in terms of page loading and browsing responsiveness, as well as a significant reduction in the memory used. But above all, Mozilla introduces a brand-new security feature to the small world of browsers, an “HTTPS-Only Mode” option to limit browsing to secure HTTPS* connections only. Image source: Mozilla Security Blog Mozilla is pushing it further regarding the desire of ... Read More

The dangers of Wildcard certificates

Image source: skylarvision via Pixabay TLS/SSL certificates are used to authenticate servers (mostly Web) and encrypt traffic between websites and users. Thus, they ensure the integrity of the data exchanged and prevent data spying. The digitalization of the company and the world in general, as well as the browsers’ desire to impose HTTPS:// by default, have multiplied exponentially the need for certificates. To meet these growing needs, the wildcard certificate (*.domainname.com) i... Read More