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 Where is your company on the cybersecurity journey? Although the cybersecurity path is not linear and each company has its own characteristics, experience has allowed us to classify companies into five levels of cybersecurity evolution. The existence of...
ElevenPaths Come to Create Technology at Telefónica’s Chief Data Office Unit Hi Hacker! Technology is in a constant evolution and so are we. Therefore, from Telefónica, throughout the Chief Data Office (CDO) led by Chema Alonso, which includes Aura -Cognitive Intelligence-, ElevenPaths -Cybersecurity-, LUCA -Big Data-...
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....
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,...
David García Bestiary of a Poorly Managed Memory (I) WannaCry, EternalBlue, Conficker... their cyber attacks have one thing in common: the arbitrary code execution. Discover how they happen.
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, 29 April – 5 May Critical vulnerability in Zyxel firewalls Network equipment manufacturer Zyxel has released security patches for a critical vulnerability affecting its firewalls. The vulnerability, which was discovered and reported by the TRAPA...
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...
Innovation and Laboratory Area in ElevenPaths Cyber Security State: Top Threats, Risks and Vulnerabilities There are many reports on security trends and summaries, but at Telefónica Tech we want to make a difference. The Innovation and Lab team has just launched our own...
Telefónica Tech Cyber Security Weekly Briefing, 11 – 17 February Apple fixes actively exploited 0-day Apple has issued several security advisories to fix an actively exploited 0-day vulnerability. The security flaw, listed as CVE-2023-23529, is a type confusion in the browser’s...
Marta Mallavibarrena Artificial Intelligence, ChatGPT, and Cyber Security Artificial Intelligence (AI) has become a frequent topic on this blog. Almost all predictions of technological trends for the coming years include it as one of the key advances. In...
Nacho Palou We are now live! Discover the new Telefónica Tech website We have redesigned the Telefónica Tech website to represent who we are as a digital solutions integrator. We also want to share what we do, who is behind it...
Telefónica Tech Cyber Security Weekly Briefing, 4 – 10 February Critical vulnerability in Atlassian Jira Atlassian has issued a security advisory in which it releases fixes to resolve a critical vulnerability in Jira Service Management Server and Data Center. According to...
Telefónica Tech How I won a Capture the Flag competition by solving challenges using my mobile phone David Soto, winner of the challenge, collecting the prize together with Humbert Ruiz, from 42 Barcelona, Fundación Telefónica’s programming campus. We organised activities aimed at the technical audience in the...
Roberto García Esteban Metacloud: a cloud of clouds The digitalisation of society is rapidly advancing, mainly driven by the development of the internet and Cloud technology. Companies are rushing to adopt these new technologies in pursuit of...
Telefónica Tech Cyber Security Weekly Briefing, 21 January – 3 February LockBit Green: new LockBit variant Researchers at vx-underground have recently detected that a new ransomware variant, called LockBit Green, is being used by the LockBit ransomware handlers. This new variant...
Martiniano Mallavibarrena Cybersecurity in films: myth vs. reality with 10 examples The multiple aspects of cybersecurity (attacks, investigations, defence, disloyal employees, negligence, etc.) have been part of the plot of countless movies and TV series for years. In today’s society,...
Daniel Pous Montardit Resilience, key to Cloud-Native systems In the first post of the Cloud-Native series, What is a Cloud-Native Application?, or what it means that my software is Cloud Native, we presented resilience as one of...
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 How to bypass antiXSS filter in Chrome and Safari (discovered by ElevenPaths) Modern browsers usually have an antiXSS filter, that protects users from some of the consequences of this kind of attacks. Normally, they block cross site scripting execution, so the...
Florence Broderick HookMe, a tool for intercepting communications with API hooking HookMe is a tool for Windows that allows to intercept system processes when calling APIs needed for network connections. The tool, still in beta, was developed by Manuel Fernández (now...
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...
Florence Broderick Quick and dirty shellcode to binary python script https://google-code-prettify.googlecode.com/svn/loader/run_prettify.js If you work with exploits and shellcode, you already know what shellcode is and how to deal with it. Sometimes it comes with exploits in C, Perl, Python…...
