Telefónica Tech Cyber Security Weekly Briefing 26 March- 1 April Spring4Shell vulnerability Spring has released security updates for the 0-day remote code execution (RCE) flaw known as Spring4Shell. Since the appearance of the vulnerability, unconfirmed information has been released from different...
Telefónica Tech Cyber Security Weekly Briefing 12-18 February Researchers develop exploit for critical vulnerability in Magento Positive Technologies’ offensive security team has developed a Proof of Concept (PoC) for the CVE-2022-24086 CVSSv3 9.8 vulnerability, claiming that it would allow control...
Telefónica Tech Cyber Security Weekly Briefing 22-28 January New vulnerabilities in Linux Two new vulnerabilities of risk have recently been disclosed and are reportedly affecting Linux systems. If exploited, they could allow privilege escalation on the vulnerable system. CVE-2021-4034...
Telefónica Tech Cyber Security Weekly Briefing 8–14 january Microsoft security bulletin Microsoft has published its January security bulletin in which it has fixed a total of 97 bugs, including six 0-day vulnerabilities and nine bugs classified as critical....
Telefónica Tech Cyber Security Weekly Briefing 1–7 january Mail delivery failure on Microsoft Exchange on-premises servers 2 January, Microsoft released a workaround to fix a bug that interrupted email delivery on Microsoft Exchange on-premises servers. The bug is a “year...
Telefónica Tech Cyber Security Weekly Briefing 18 – 24 December Log4Shell Vulnerability (update) Through the week new details and comments around the vulnerability known as Log4Shell have continued to appear. First, a new denial-of-service vulnerability affecting Log4j2 on versions from 2.0-alpha1...
Telefónica Tech Cyber Security Weekly Briefing 4 – 10 December Catalan government suffers DDoS attack According to the statement issued by the Catalan government, the Centre de Telecomunicacions i Tecnologies de la Informació (CTTI) detected last Friday a cyber-attack that compromised more...
Telefónica Tech Cyber Security Weekly Briefing 27 November – 3 December Apple and Google fined 20 million for using user data The Italian Competition and Market Authority (AGCM) has fined both Google and Apple 10 million euros for their method of...
Telefónica Tech Cyber Security Weekly Briefing 20-26 November Reacharound: possible resurgence of the triple threat Trickbot-Emotet-Ransomware Last January, an international action orchestrated by Europol and Eurojust led to the dismantling of the Emotet infrastructure, a malware widely used...
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 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...
