Telefónica Tech Cyber Security Weekly Briefing 24-30 July PetitPotam: new NTLM relay attack Security researcher Gilles Lionel, also known as Topotam, has discovered a flaw in Windows systems with enabled Active Directory Certificate Services (ADCS) that would allow...
Telefónica Tech Cyber Security Weekly Briefing 17-23 July Global cyber-espionage investigation published A joint consortium of organizations and media outlets has published an investigation revealing the indiscriminate marketing and use of Pegasus spyware. According to the investigators, a...
Telefónica Tech Cyber Security Weekly Briefing 10-16 July Kaseya VSA Incident Update After news of the attack by the REvil ransomware group using Kaseya VSA on July 2nd, on Sunday July 11th, Kaseya released the patch for its...
Telefónica Tech Cyber Security Weekly Briefing 3-9 July Kaseya VSA incident On Friday July 2nd, the Revil ransomware group compromised third party companies by exploiting a 0day vulnerability in Kaseya VSA. Kaseya VSA is a remote system monitoring...
Sergio de los Santos Frequently Asked Questions About Printnightmare (CVE-2021-34527) We are going to try to clarify some common doubts about this vulnerability, since it has turned up with some confusing data about whether it was patched or not,...
Telefónica Tech Cyber Security Weekly Briefing June 19- July 2 New activity of the threat actor Nobelium Microsoft has issued an update on the activities of the Russian threat actor known as Nobelium (aka APT29), which is credited with compromising...
Marina Salmerón Uribes What we should remind ourselves of on International Social Media Day Today is the international day of social networks, tools that have changed our day-to-day personal and professional lives and from which we find it hard to detach ourselves. On...
Sergio de los Santos What On Earth Is Going on With Ransomware And Why We Won’t Stop It Any Time Soon In the last few months, it is not rare that every now and then we read about a large company that has fallen victim to ransomware, either brought to...
ElevenPaths Cyber Security Weekly Briefing June 19-25 SonicWall fixes a critical vulnerability that had been partially fixed In October last year, SonicWall fixed a critical buffer overflow vulnerability in SonicOS under the identifier CVE-2020-5135, which affected more than...
Carlos Ávila IoTM Mobile Applications and The Relevance Of Their Security Almost a year ago in the article “Internet of Health“ I described how incredible is the amount of applications and devices that the medical industry has deployed and will...
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…...
