Telefónica Tech Cyber Security Weekly Briefing, 13 – 17 June Hertzbleed. New side-channel attack on AMD and Intel processors Security researchers at several US universities have discovered a new side-channel attack affecting Intel and AMD processors, called Hertzbleed. What is remarkable...
Telefónica Tech Cyber Security Weekly Briefing, 6 – 10 June LockBit threatens Mandiant after linking them to Evil Corp The LockBit 2.0 ransomware group announced on its dark web publishing page afternoon, 6 May, the alleged compromise of cybersecurity firm...
Telefónica Tech Cyber Security Weekly Briefing, 28 May – 3 June Rapid evolution of the EnemyBot botnet Since its discovery last March by Securonix researchers, the botnet known as EnemyBot, focused on carrying out DDoS attacks, has continued to expand, thanks...
Telefónica Tech Cyber Security Weekly Briefing, 13–20 May VMware fixes critical vulnerabilities in several of its products VMware has issued a security advisory to fix a critical authentication bypass vulnerability affecting several of its products. Identified as CVE-2022-22972...
Telefónica Tech Cyber Security Weekly Briefing, 7–13 May Vulnerability in BIG-IP exploited to erase data On May 4th, F5 fixed, among others, a vulnerability affecting BIG-IP devices (CVE-2022-1388 CVSSv3 9.8), which could allow an unauthenticated attacker with network...
Telefónica Tech Cyber Security Weekly Briefing, 24 April – 6 May TLStorm 2 – Vulnerabilities in Aruba and Avaya switches Researchers at Armis have discovered five vulnerabilities in the implementation of TLS communications in multiple models of Aruba and Avaya switches....
Telefónica Tech Cyber Security Weekly Briefing 22–29 April New malicious RedLine distribution campaign Researchers at BitDefender have published a report on a new RedLine malware distribution campaign. According to the analysts, malicious actors are using the RIG Exploit...
Sergio de los Santos 0days in numbers: Chrome, Windows, Exchange… What are attackers and manufacturers looking for? Very interesting data from Google’s Project Zero, which tries to catalogue, find and disseminate 0days. They do not discover them directly, but “detect” them in any manufacturer when they...
Telefónica Tech Cyber Security Weekly Briefing 16–22 April Fodcha: new DDoS botnet 360netlab and CNCERT researchers have discovered a new botnet focused on conducting denial-of-service attacks, and which is rapidly spreading on the Internet. This new botnet has been...
Telefónica Tech Cyber Security Weekly Briefing 1–8 April Critical vulnerability in GitLab allows access to user accounts GitLab has released a security update that fixes a total of 17 vulnerabilities, including a critical vulnerability affecting both GitLab Community...
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 Jam Session with Greg Day Madrid 2017 Roundup Estrenamos el mes de febrero uniéndonos a nuestros colegas de Palo Alto para celebrar nuestra primera Jam Session del año en Madrid. Este año iniciamos nuestras sesiones de visión...
Florence Broderick New tool: PinPatrol for Chrome. Something more than a plugin, a forensics tool Back in July, we created a new tool for improving the experience using HSTS and HPKP in Firefox. Now it’s time for Chrome. It shows this information in a...
Florence Broderick New tool: Maltego transforms for Tacyt If you are a Maltego user, you already know how intuitive and useful it is for researching and analyzing information. You may know as well that Maltego allows to...
