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...
Gonzalo Álvarez Marañón Nobody on The Internet Knows You Are A Dog, Even If You Use TLS Certificates You may have noticed that most websites have a little padlock on them. If you click on it, a window will pop up stating that “the connection is secure”....
ElevenPaths Everything You Need to Know About SSL/TLS Certificates What is a digital certificate? Secure Sockets Layer/Transport Layer Security digital certificate is the most widely used security protocol that enables encrypted data transfer between a web server and a...
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....
Sergio de los Santos Ripple20: Internet Broken Down Again Billions of IoT devices have been affected. However, this is not the first time a catastrophe of this magnitude has occurred.
Sergio de los Santos Conti, the Fastest Ransomware in the West: 32 Parallel CPU Threads, but… What for? Conti, the fastest ransomware, is just one example of how this threat is evolving. Discover what tricks it uses and why in this article.
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...
ElevenPaths Cyber Security Weekly Briefing March 20-26 Analysis of the new cyber-espionage group SilverFish The PRODAFT Threat Intelligence team (PTI) has discovered a highly sophisticated cybercriminal group called SilverFish, which operates exclusively against large enterprises and public...
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...
Sergio de los Santos Tell Me What Data You Request from Apple and I Will Tell You What Kind of Government You Are We recently found out that Spain sent 1,353 government requests for access to Facebook user data in the first half of 2020. Thanks to Facebook’s transparency report for the...
ElevenPaths Cybersecurity Weekly Briefing November 21-27 Qbot as a prelude to Egregor ransomware infections Researchers at Group-IB security company have issued a statement claiming to have found activity linking the Qbot banking trojan (also known as...
Diego Samuel Espitia Using Development Libraries to Deploy Malware Cybercriminals seek strategies to achieve their objectives: in some cases, it is users’ information; in others, connections; sometimes they generate networks of computers under their control (botnets), etc. Any...
Gonzalo Álvarez Marañón Nonces, Salts, Paddings and Other Random Herbs for Cryptographic Salad Dressing The chronicles of the kings of Norway has it that King Olaf Haraldsson the Saint disputed the possession of the Hísing island with his neighbour the King of Sweden....
Sergio de los Santos A Simple Explanation About SAD DNS and Why It Is a Disaster (or a Blessing) In 2008, Kaminsky shook the foundations of the Internet. A design flaw in the DNS made it possible to fake responses and send a victim wherever the attacker wanted....
ElevenPaths Cybersecurity Weekly Briefing November 14-20 Malware distribution campaign supplants the identity of Spanish ministries ESET researchers warn of a malware distribution campaign that is impersonating Spanish ministries to distribute a malicious Android application through links...
Andrés Naranjo The Challenge of Online Identity (I): Identity Is the New Perimeter We often find ourselves in situations where we are faced with a mission and, as the mission goes on, we realise that the first choices we made were not...
Gonzalo Álvarez Marañón Rock, Paper, Scissors and Other Ways to Commit Now and Reveal Later Have you ever played rock, paper, scissors? I bet you have. Well, let’s put the tin lid on it: how would you play through the phone? One thing is...
Sergio de los Santos How Traditional CA’s Are Losing Control of Certificates and Possible Reasons Why Chrome Will Have a New Root Store It’s all about trust. This phrase is valid in any field. Money, for example, is nothing more than a transfer of trust, because obviously we trust that for a...
ElevenPaths Cybersecurity Weekly Briefing November 7-13 Links between Vatet, PyXie and Defray777 Researchers from Palo Alto Networks have investigated the families of malware and operational methodologies used by a threat agent that has managed to go...
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…...
