Telefónica Tech Cyber Security Weekly Briefing 6-12 November Microsoft’s security bulletin Microsoft has published its November security bulletin in which it has fixed a total of 55 bugs in its software, including six 0-day vulnerabilities, two of which...
Sergio de los Santos Chronicle Of the Attack on A Youtuber Who Knew About Cyber Security The news recently broke: youtubers with the largest number of followers are being targeted for extortion. The attacks are on the rise and the techniques are not new, but...
Telefónica Tech Cyber Security Weekly Briefing 30 October-5 November Trojan Source: vulnerability in source code compilers Researchers at the University of Cambridge have published a paper detailing a new attack method called “Trojan Source” that exploits a flaw in...
Telefónica Tech Cyber Security Weekly Briefing 23-29 October Google fixes two 0-days in Chrome browser Google has released a new Chrome update (95.0.4638.69) for Windows, Mac and Linux, which fixes 7 vulnerabilities, two of them being 0-days. Regarding...
Telefónica Tech Cyber Security Weekly Briefing 16-22 October Zerodium interested in acquiring 0-days of Windows VPN software Information security company Zerodium has reported its willingness to purchase 0-day vulnerabilities targeting VPN service software for Windows systems: ExpressVPN, NordVPN...
Telefónica Tech Cyber Security Weekly Briefing 9-15 October Microsoft Security Bulletin Microsoft has published its security bulletin for the month of October in which it has fixed a total of 81 bugs in its software, including 4 0-day...
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...
ElevenPaths Cyber Security Weekly Briefing 25 September – 1 October Let’s Encrypt root certificate expires (DST Root CA X3) A few days ago, Scott Helme, founder of Security Headers, highlighted the 30 September as the date when Let’s Encrypt’s root certificate, DST...
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,...
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...
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…...