Telefónica Tech Cyber Security Weekly Briefing, 12 – 16 June Microsoft has fixed more than 70 vulnerabilities in its June Patch Tuesday Microsoft has released its June Patch Tuesday, addressing a number of critical, high, medium and low severity vulnerabilities....
Telefónica Tech Cyber Security Weekly Briefing, 27 May – 2 June Backdoor discovered in hundreds of Gigabyte motherboards Cybersecurity researchers at Eclypsium discovered a secret backdoor in the firmware of hundreds of Gigabyte motherboard models, a well-known Taiwanese manufacturer. Every time...
Diego Samuel Espitia When Preventing a Cyberattack Becomes a Vital Decision In recent years, the number of incidents in critical infrastructure networks and industrial systems has increased significantly. There have been attacks with a high degree of complexity and knowledge...
ElevenPaths Cybersecurity Weekly Briefing July 25-31 BootHole: Vulnerability in GRUB2 Eclypsium researchers have discovered a buffer overflow vulnerability in the GRUB2 bootloader that could be used to execute arbitrary code during the boot process. It has...
Telefónica Tech Cyber Security Weekly Briefing, 19 – 23 June Critical vulnerabilities in Asus routers Asus has issued a security advisory addressing a total of nine vulnerabilities affecting multiple router models. Among these security flaws, the one registered as CVE-2022-26376,...
Telefónica Tech Cyber Security Weekly Briefing, 12 – 16 June Microsoft has fixed more than 70 vulnerabilities in its June Patch Tuesday Microsoft has released its June Patch Tuesday, addressing a number of critical, high, medium and low severity vulnerabilities....
ElevenPaths Cybersecurity Weekly Briefing September 12-18 PoC for Critical Vulnerability on Netlogon Secura researchers have published a tool to check whether a domain controller is vulnerable to the CVE-2020-1472 vulnerability on Netlogon. Last month, Microsoft patched...
ElevenPaths #CyberSecurityPulse: Tell me your social networks and you will be welcome in the United States (or maybe not) The US Department of State wants to ask visa applicants to provide details of their social networks which they have used within the last five years, as well as...
Telefónica Tech Cyber Security Weekly Briefing, 12 – 16 June Microsoft has fixed more than 70 vulnerabilities in its June Patch Tuesday Microsoft has released its June Patch Tuesday, addressing a number of critical, high, medium and low severity vulnerabilities....
Martiniano Mallavibarrena ‘Insiders’ in Cybersecurity: “Catch me if you can” Within companies, there is a significant window of opportunity for cybersecurity incidents: disgruntled employees, suppliers, subcontractors...
Telefónica Tech Cyber Security Weekly Briefing, 5 – 9 June Barracuda warns of immediate replacement of compromised ESG appliances Security firm Barracuda has issued a warning in which it is urging organisations affected by the 0-day vulnerability (CVE-2023-2868) in their...
Telefónica Tech Cyber Security Weekly Briefing, 23-29 July New Critical Vulnerability in SonicWall Products Researchers from DBappSecurity HAT lab have discovered a critical vulnerability that affects several SonicWall Analytics On-Prem and SonicWall Global Management System products. The vulnerability, a...
Telefónica Tech Cyber Security Weekly Briefing, 21 – 27 January Killnet targeting victims in Spain This week, the hacktivist group Killnet announced a campaign of attacks against Germany, leading to Distributed Denial of Service (DDoS) attacks that rendered the websites...
Marta Nieto Gómez-Elegido «We are moving towards genderless professions», María Martínez It’s a cold morning in Madrid and María Martínez Martín, Head of the Threats Intelligence Operations team at Telefónica Tech, welcomes us at the Telefónica building. Wearing a blue blazer...
Gonzalo Fernández Rodríguez What is a Cloud-Native Application? The term Cloud Native is something that goes beyond moving applications on-premises, i.e. hosted directly in a data centre to an infrastructure from a Cloud provider, whether public or...
Telefónica Tech Cyber Security Weekly Briefing, 14 – 20 January Critical vulnerabilities in Netcomm and TP-Link routers Several vulnerabilities have been discovered in Netcomm and TP-Link routers. On the one hand, the flaws, identified asCVE-2022-4873 and CVE-2022-4874, are a case of buffer...
Jorge Rubio Consequences of a cyber-attack in industrial environments Industrial environments can be found in any type of sector we can imagine, whether in water treatment, transport, pharmaceutical, machinery manufacturing, electrical, food or automotive companies, among others. The differences...
Telefónica Tech Cyber Security Weekly Briefing, 7 – 13 January Microsoft fixes 98 vulnerabilities on Patch Tuesday Microsoft has published its security bulletin for the month of January, in which it fixes a total of 98 vulnerabilities. Among these, an...
Daniel Pous Montardit Observability: what it is and what it offers What is observability? The term “observability” comes from Rudolf Kalman’s control theory and refers to the ability to infer the internal state of a system based on its external outputs....
Telefónica Tech Cyber Security Weekly Briefing, 31 December – 6 January PyTorch’s dependency chain is breached PyTorch, a popular open-source machine learning framework, has warned users who installed PyTorch-nightly between 25 and 30 December 2022 to uninstall the framework and the...
Martiniano Mallavibarrena Understanding The Dynamics of Ransomware Security Incidents The ransomware phenomenon If there is one term that has earned its way to the top of the headlines in the media over the last two years, ransomware is undoubtedly...
Alexandre Maravilla Web3 and the evolution of Internet Identity The recent rise of Web3; the new evolution of the Internet to make it decentralised through Blockchain, is also bringing a lot of talk about decentralised identity schemes and...
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...
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 Evil FOCA is now Open Source We are really happy to announce that Evil FOCA is now Open Source. We have received lots of comments and feedback about how you are using Evil FOCA, or how...
Florence Broderick New Tool: MicEnum, Mandatory Integrity Control Enumerator In the context of the Microsoft Windows family of operating systems, Mandatory Integrity Control (MIC) is a core security feature introduced in Windows Vista and implemented in subsequent lines...
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...
