Telefónica Tech What have we learned about Cloud this September? This new course has come loaded with knowledge for the Telefónica Tech blog. Thanks to our experts, we continue to advance, on a daily basis, in our training on...
Telefónica Tech Cyber Security Weekly Briefing 2-8 October Apache vulnerabilities actively exploited Earlier this week, Apache fixed a 0-day (CVE-2021-41773) affecting Apache HTTP servers which was actively being exploited. However, on Thursday we learned that the patch released...
Telefónica Tech IoT, Big Data and AI convergence report The IoT and Smart Cities Cybersecurity Innovation Centre of Telefónica Tech Ciber Security & Cloud in Valencia, Spain, brings us a compilation of the potential risks related to IoT,...
David García Where does ransomware attack? Three main pillars It all starts with a tweet from a researcher (Allan Liska from RecordedFuture) announcing that he is compiling a list of vulnerabilities currently being exploited by organised groups in...
David García What’s new in the OWASP 2021 ranking? OWASP, the foundation focused on web application security, has recently updated its ranking of the most prominent risks. Let’s take a look at the new reorganisation of the top,...
Raúl Hernáinz Ortega Data as a secure asset Data Management Summit as a preamble We are approaching one of the events where Telefónica will be present, and not only present, but also participating with its best professionals. An...
Félix Brezo Fernández The Work of a Cyber Intelligence Unit in The Context Of Incident Response Besides the work carried out by our colleagues in the forensic analysis, malware analysis or Threat Hunting teams, which we have reviewed in the articles in this series associated...
Telefónica Tech Cyber Security Weekly Briefing 18-24 September Malware campaign using TeamViewer on websites under IIS Malwarebytes researchers have observed a malware distribution campaign since the beginning of September that makes use of previously compromised pages running on Microsoft’s...
Diego Samuel Espitia If you own any Apple devices, run to update them On September 13, Apple surprised its users with a system update on iPhone, iWatch, iPad and macOS, something that doesn’t happen very often and less often comes with an...
Víctor José González Arcos DFIR services in a ransomware incident response As we saw in the first post of the series, the IR (incident response) process in case of attacks using ransomware is fundamental, relying on the work of several...
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…...
