Telefónica Tech Cyber Security Weekly Briefing, 13 – 17 June Hertzbleed. New side-channel attack on AMD and Intel processors Security researchers at several US universities have discovered a new side-channel attack affecting Intel and AMD processors, called Hertzbleed. What is remarkable...
Nacho Palou We have a brand-new website! Get to know the new Telefónica Tech Cyber Security & Cloud website Telefónica Tech is constantly growing and working to be the technological partner of companies in their digital transformation process. As part of this purpose, Telefónica Tech Cyber Security & Cloud...
Alberto Sempere XDR, the cybersecurity trend that dominated the RSA Conference 2022 After a two-year break, I am back at the RSA Conference in San Francisco, the international key event for the cybersecurity industry. Having overcome the typical hurdles of a trip...
Telefónica Tech Cyber Security Weekly Briefing, 6 – 10 June LockBit threatens Mandiant after linking them to Evil Corp The LockBit 2.0 ransomware group announced on its dark web publishing page afternoon, 6 May, the alleged compromise of cybersecurity firm...
Telefónica Tech Cyber Security Weekly Briefing, 28 May – 3 June Rapid evolution of the EnemyBot botnet Since its discovery last March by Securonix researchers, the botnet known as EnemyBot, focused on carrying out DDoS attacks, has continued to expand, thanks...
Cristina del Carmen Arroyo Siruela Differences between encryption, hashing, encoding and obfuscation There is currently a lot of confusion about the terms encryption, encoding, cryptography, hashing and obfuscation techniques. These terms are related to computer security, specifically to the confidentiality and...
Telefónica Tech Cyber Security Weekly Briefing, 21–27 May Unpatched vulnerability in PayPal Security researcher H4x0r-DZ has disclosed an unpatched vulnerability in PayPal’s money transfer service that could allow attackers to trick victims into stealing money by completing targeted...
Diego Samuel Espitia Vulnerabilities, threats and cyber-attacks on industrial systems Cybercriminals have increasingly targeted industrial environments
Telefónica Tech Cyber Security Weekly Briefing, 7–13 May Vulnerability in BIG-IP exploited to erase data On May 4th, F5 fixed, among others, a vulnerability affecting BIG-IP devices (CVE-2022-1388 CVSSv3 9.8), which could allow an unauthenticated attacker with network...
David García The new end of passwords Password, password, password... How many can you remember if you don't use a password manager? In fact, do you even use a password manager?
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…...
