The importance of reverse DNS

Reverse DNS is often unknown to domain name managers, especially when the names are hosted by major hosting companies. Reverse DNS allows you to resolve from an IP address to an FQDN. This is the exact opposite of the classic use of DNS, which associates domain names to IP addresses. The reverse DNS allows to answer the question: I have an IP address, what is the FQDN related to it? Reverse DNS operates by creating a reverse DNS zone in which DNS PTR records (for Pointer Record) will be configur... Read More

Companies’ cybersecurity – 5th edition of CESIN’s annual barometer

Every year, the Club of Experts in Information and Digital Security (CESIN) publishes its barometer of companies’ cybersecurity in order to better understand the perception and concrete reality of cybersecurity and its issues within CESIN member companies. Last January, CESIN unveiled the results of its OpinionWay survey, carried out from the 2nd of December 2019 to the 7th of January 2020 among its 253 members, Chief Information Security Officer (CISO) of major French groups. Cyberattacks: Fewe... Read More

Let’s Encrypt, do not confuse confidentiality and security

Let’s Encrypt was recently the subject of discussions in the small world of TLS certificates, by suddenly revoking 3 048 289 certificates which should not have been issued. A bug in its validation software prevented CAA registrations controls, and the certificates in question should not have been initially issued. These significant disruptions resulted from this mass revocation, but it is difficult to complain about a free service. I am often asked what I think of Let’s Encrypt, and I ... Read More

Nameshield renews its ISO 27001 certification

Nameshield Group is an expert in domain names, DNS, TLS/SSL certificates management. Through our experience gained from world-renowned customers with ever-increasing security requirements, we have also become technical experts in Information security. That is why we have implemented an Information Security Management System (ISMS). In 2017, we obtained the ISO 27001 certification of this ISMS for our activities of domain names portfolio, DNS and TLS/SSL certificates management. Nameshield Group ... Read More

Apple announces the limitation of SSL certificates duration to 1 year in Safari

Apple announced this week that the maximum lifetime of SSL / TLS certificates on its devices and Safari browser would be limited to 398 days (1 year, and 1 month to cover the renewal period). The change, announced by Apple at the CA / Browser Forum meeting in Bratislava, Slovakia, will take effect for certificates issued after August 31, 2020. Apple’s announcement follows a failure of the CA / B Forum’s vote on one-year certificates (Bulletin SC22), which was held in August 2019, and... Read More

Municipal elections 2020: buzyn2020.fr and buzyn2020.paris domain names redirect towards Anne Hidalgo’s campaign

Following the announcement on Sunday February 16, of Agnès Buzyn’s candidacy to Paris municipal elections, several political journalists discovered on Monday that the domain name buzyn2020.fr was registered but redirected towards “Paris en commun”, the campaign website of another candidate, Anne Hidalgo. Several other names were registered on Sunday night, also redirecting towards Paris en commun’s homepage like buzyn2020.paris, agnesbuzyn2020.fr and agnesbuzyn2020.com. If several of these names... Read More

FIC 2020 – Nameshield’s DNS Premium labelled France Cybersecurity once again

During the 12th edition of the International Cybersecurity Forum (FIC), the major event in terms of cybersecurity and digital confidence, which currently takes place from January 28 to 30 in Lille, Nameshield was given once again the France Cybersecurity Label for its DNS Premium solution. Nameshield’s DNS Premium labelled France Cybersecurity The DNS is at the heart of companies’ critical services: Internet, email, applications… Exposed more and more frequently to attacks, like DDoS, Ma... Read More

2020 and the SSL, a small prediction exercise

Browsers and Certification Authorities, the battle continues. 2019 was a busy year, with growing differences of opinion between browsers makers and Certification Authorities, an explosion in the number of phishing sites encrypted in HTTPS and significant progress on the depreciation of TLS v1.0. Discussions on extended validation, more generally the visual display of certificates in browsers, and the reduction of the duration of certificates have taken a prominent place. None of these discussion... Read More

Fake mobile applications: a growing threat to brands and consumers

With over 5 million mobile applications available today on the major apps stores like Google Play and App Store, over 2 000 new applications uploaded every day and almost 2 billion applications downloaded in France in 2018, mobile apps have rapidly grown over the last 10 years to become an essential element of the digital world. According to a research done by FEVAD, the revenue from mobile commerce is estimated to 22 billion euros in France in 2018, i.e. ¼ of online sales. Thus, mobile app... Read More

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

Every year, the end of year holidays often announce the upsurge of fraudulent e-mails mass campaigns. During annual holidays, 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 (73% of companies affected in 2018), the slamming is a well-known variant that consists in enc... Read More