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...
Sergio de los Santos A government is known by the Apple data it requests Sometimes, governments need to be underpinned by huge corporations to carry out their work. When a threat depends on knowing the identity or gaining access to a potential attacker...
ElevenPaths ElevenPaths at RSA Conference 2020 Once again, we return to the RSA Conference, the reference event in the cybersecurity sector. From February 24 to 27 we will be presenting our proposal under the claim...
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 26 Reasons Why Chrome Does Not Trust the Spanish CA Camerfirma From the imminent version 90, Chrome will show a certificate error when a user tries to access any website with a certificate signed by Camerfirma. Perhaps it is not...
ElevenPaths #CyberSecurityPulse: Biggest-Ever DDoS Attack Hits Github Website At the end of 2016, a DDoS attack on DynDNS blocked major Internet sites such as Twitter, Spotify and PayPal. The Mirai botnet was used to take advantage of...
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...
SCC CyberThreats Service COVID-19: Risk Guide and Recommendations on Cyber Security From the point of view of cyber security, the current situation caused by the coronavirus is also particularly worrying. Users and companies are being threatened. From the Telefonica’s SCC...
Telefónica Tech Cyber Security Weekly Briefing 14-27 August Exploitation of vulnerabilities in Exchange ProxyShell Security researcher Kevin Beaumont has analyzed the recent massive exploitation of Microsoft Exchange Server vulnerabilities known as ProxyShell. These are a set of flaws revealed by Orange...
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...
Gabriel Álvarez Corrada 5G Connectivity and its Impact on Industry 4.0: Maturity and Evolution One of the factors that indicates the maturity of some branches of technology is the incorporation of improvements as this technology evolves, which are different from those considered at...
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…...
