Telefónica Tech Cyber Security Weekly Briefing 13-19 November Emotet returns Security researchers from Cryptolaemus have identifed what seems to be the reappearence of the popular Emotet malware, whose infrastructure had remained inactive since January after a joint intervenion by security...
José Luis Núñez Díaz Growing impact and future potential of blockchain for telcos: A Game Changer? Could blockchain really impact on the business of communications providers? As an industry, have telcos already embraced this technology? Do they see any opportunity behind blockchain? Do blockchain and decentralized technologies...
Susana Alwasity The risks of not having controlled exposure to information (II) As promised last week in the first post of this series, this time we will talk about how to minimise the risks of our digital footprint. ¿ How to minimise...
María Teresa Nieto Galán What is happening with the public Ethereum network and will it ever be scalable? From the beginning, one of the main limitations that we have found in Blockchain technology when developing solutions is scalability. This concept refers to the ability to continue offering...
Telefónica Tech Cyber Security Weekly Briefing 6-12 November Microsoft’s security bulletin Microsoft has published its November security bulletin in which it has fixed a total of 55 bugs in its software, including six 0-day vulnerabilities, two of which...
Sergio de los Santos Chronicle Of the Attack on A Youtuber Who Knew About Cyber Security The news recently broke: youtubers with the largest number of followers are being targeted for extortion. The attacks are on the rise and the techniques are not new, but...
Rubén Menéndez Díaz Fraud against financial institutions with particular incidence in France extends its impact to national territory In September and October of this year, a malicious campaign was observed in France against the French population, affecting financial institutions, and it has spread to banks in Spain. The...
Telefónica Tech Cyber Security Weekly Briefing 30 October-5 November Trojan Source: vulnerability in source code compilers Researchers at the University of Cambridge have published a paper detailing a new attack method called “Trojan Source” that exploits a flaw in...
Cristina del Carmen Arroyo Siruela Monitoring technologies, a key element in cyber security IDS (Intrusion Detection System), IPS (Intrusion Prevention System) and SIEM solutions are fundamental elements in event monitoring and cybersecurity. IDSs and IPSs are intrusion detection and prevention systems that employ...
Marta Nieto Gómez-Elegido Edge Computing and Virtual Reality, new classmates It’s been a little while since the new school year started. New subjects, new challenges and new classmates. Among them, one name is becoming increasingly heard: Edge Computing. Thanks to...
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...
ElevenPaths Telefónica WannaCry File Restorer: How can we recover information deleted by WannaCry? When cyberattacks occur in large organizations, it is crucial to remember where duplicate files are stored, as this information is also subject to infection by a malware virus or...
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 Information leakage in Data Loss Prevention leader companies Gartner has released a study that classifies the most important companies that offer Data Loss Prevention (DLP) solutions depending on their position, strategy, effectiveness, and market leadership. We have made...
