Telefónica Tech Cyber Security Weekly Briefing 24-30 July PetitPotam: new NTLM relay attack Security researcher Gilles Lionel, also known as Topotam, has discovered a flaw in Windows systems with enabled Active Directory Certificate Services (ADCS) that would allow...
Telefónica Tech Cyber Security Weekly Briefing 17-23 July Global cyber-espionage investigation published A joint consortium of organizations and media outlets has published an investigation revealing the indiscriminate marketing and use of Pegasus spyware. According to the investigators, a...
Telefónica Tech Cyber Security Weekly Briefing 10-16 July Kaseya VSA Incident Update After news of the attack by the REvil ransomware group using Kaseya VSA on July 2nd, on Sunday July 11th, Kaseya released the patch for its...
Telefónica Tech Cyber Security Weekly Briefing 3-9 July Kaseya VSA incident On Friday July 2nd, the Revil ransomware group compromised third party companies by exploiting a 0day vulnerability in Kaseya VSA. Kaseya VSA is a remote system monitoring...
Sergio de los Santos Frequently Asked Questions About Printnightmare (CVE-2021-34527) We are going to try to clarify some common doubts about this vulnerability, since it has turned up with some confusing data about whether it was patched or not,...
Telefónica Tech Cyber Security Weekly Briefing June 19- July 2 New activity of the threat actor Nobelium Microsoft has issued an update on the activities of the Russian threat actor known as Nobelium (aka APT29), which is credited with compromising...
Marina Salmerón Uribes What we should remind ourselves of on International Social Media Day Today is the international day of social networks, tools that have changed our day-to-day personal and professional lives and from which we find it hard to detach ourselves. On...
Sergio de los Santos What On Earth Is Going on With Ransomware And Why We Won’t Stop It Any Time Soon In the last few months, it is not rare that every now and then we read about a large company that has fallen victim to ransomware, either brought to...
ElevenPaths Cyber Security Weekly Briefing June 19-25 SonicWall fixes a critical vulnerability that had been partially fixed In October last year, SonicWall fixed a critical buffer overflow vulnerability in SonicOS under the identifier CVE-2020-5135, which affected more than...
Carlos Ávila IoTM Mobile Applications and The Relevance Of Their Security Almost a year ago in the article “Internet of Health“ I described how incredible is the amount of applications and devices that the medical industry has deployed and will...
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...
