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...
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...
ElevenPaths Cybersecurity Weekly Briefing October 24-30 Critical vulnerability in Hewlett Packard Enterprise SSMC Hewlett Packard Enterprise has fixed a critical authentication evasion vulnerability (CVE-2020-7197, CVSS 10) affecting its StoreServ Management Console (SSMC) storage management software. HPE...
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, 6 – 12 May Security updates vulnerabilities in Fortinet products Fortinet has announced a set of security updates that fix up to a total of 9 vulnerabilities, 2 of which are considered high severity...
ElevenPaths If you want to change your employees’ security habits, don’t call their will, modify their environment instead You’re in a coffee bar and you need to connect your smartphone to a Wi-Fi, so you check your screen and see the following options. Imagine that you know...
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...
Gonzalo Álvarez Marañón 20 Questions about Covid-19 Tracing Apps Covid-19 tracking apps may raise many questions about citizens' privacy and security. We solve some of them in this article.
Aarón Jornet How Lokibot, the malware used by Machete to steal information and login credentials, works Machete is a group dedicated to information theft and espionage. It uses various tools, including LokiBot.
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...
Innovation Marketing Team Partnerships that escalate entrepreneurship and innovate the corporation: Ten Wayra startups that do business with Vivo With 10 years of operations, Wayra has transformed the entrepreneurial ecosystem in Brazil and worldwide. Since its launch in 2011, when it was created to support entrepreneurship, Wayra has...
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 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 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 Showing certificate chain without validating with Windows "certificate store" (C#) Java has its own independent certificate store. If you wish to view natively in Windows a certificate extracted from an APK or JAR file Windows may not find the...
