Gonzalo Álvarez Marañón What Is Wrong with Quantum Cryptography That the World’s Largest Intelligence Agencies Discourage Its Use Quantum cryptography does not exist. What everyone understands when the term “quantum cryptography” is mentioned is actually the quantum key distribution (QKD). And this is precisely what I want...
Gonzalo Álvarez Marañón Nonces, Salts, Paddings and Other Random Herbs for Cryptographic Salad Dressing The chronicles of the kings of Norway has it that King Olaf Haraldsson the Saint disputed the possession of the Hísing island with his neighbour the King of Sweden....
Gonzalo Álvarez Marañón Rock, Paper, Scissors and Other Ways to Commit Now and Reveal Later Have you ever played rock, paper, scissors? I bet you have. Well, let’s put the tin lid on it: how would you play through the phone? One thing is...
Gonzalo Álvarez Marañón Are You Crypto-Agile to Respond Quickly to Changing Cyberthreats? A business is considered agile if it is able to respond quickly to market changes, adapt to maintain stability. However, without cryptography there is no security and without security...
Gonzalo Álvarez Marañón Encryption That Preserves The Format To Ensure The Privacy Of Financial And Personal Data Your personal information swarms through thousands of databases of public and private organizations. How do you protect its confidentiality so that it does not fall into the wrong hands?...
Gonzalo Álvarez Marañón The Future of Digital Signatures to Protect Your Money Lies in Threshold Cryptography Imagine you were such a modern person, that all your money was in cryptocurrency instead of in a traditional bank. If you have ever handled cryptocurrencies, you will know that they are...
Gonzalo Álvarez Marañón Blockchain, Cryptocurrencies, zkSTARKs and the Future of Privacy in a Decentralised World In the Renaissance Italy, duels between mathematicians were common, but not by crossing steels, but by solving difficult problems. One of the hardest bones to crack at the time...
Gonzalo Álvarez Marañón How to Track COVID-19 Infections, Discover Contacts On WhatsApp or Share Your Genes While Keeping Your Privacy When you sign up for a new social network, such as WhatsApp, you are often asked if you want to find out who among your contacts is already part...
Gonzalo Álvarez Marañón Challenges and Business Opportunities of Post Quantum Cryptography Sooner or later we'll have to make the leap to post-quantum cryptography. Discover this new system and prepare your organization for change.
Gonzalo Álvarez Marañón China Leads the Race Towards an Attack-Proof Quantum Internet We are one step closer to reaching the Holy Grail of cryptography. Discover the details in this article.
José Luis Núñez Díaz Towards a smarter supply chain One of the recurring use cases that is always mentioned when talking about Blockchain is its application in supply chains. In fact, back in 2018, at Telefónica we were...
Florence Broderick Our CEO, Pedro Pablo Pérez, will represent Telefonica in the European Cyber Security Organization Brussels and the cybersecurity industry will earmark up to 1.8 billion euros in research TELEFONICA JOINS THE DECISION-MAKING BODIES OF THE EUROPEAN CYBER SECURITY ORGANIZATION AS...
Florence Broderick Mobile Connect winner of the 'Connected Life Awards' Mobile Connect is a multi-operator solution driven by GSMA for universal secure access. The user only needs to link their information to their mobile device solution to have quick...
Florence Broderick Quick and dirty script in Powershell to check certificate fingerprints Malware is using signed binaries to attack Windows systems. Malware needs it to get into the roots of the operative system. So attackers steal or create their own certificates....
Florence Broderick How does blacklisting work in Java and how to take advantage of it (using whitelisting) Oracle has introduced the notion of whitelisting in its latest version of Java 7 update 40. That is a great step ahead (taken too late) in security for this...
