Skip to content
Think Big
Countries / Global
  • Global
  • España
  • Ecuador
  • Español
  • Portugues
  • IoT
    • Energy efficiency switches to the Smart side How IoT solutions help us deal with rising energy prices?
  • Big Data
    • Case Study: LUCA Store and DK Management, driving footfall and increasing convertion How to win over the Millennial Shopper? A great personalised experience will make them stay
  • Cybersecurity
    • #CyberSecurityPulse: Last Update About Bad Rabbit Ransomware Detected an extension in Chrome Web Store, active from February, that steals credit cards
Think Big / Business
  • AI of Things
  • Cloud
  • Cybersecurity
  • Blockchain

Sergio de los Santos

Innovation and Labs Leader at Telefónica Tech. He holds a bachelor’s degree in Computer System Engineering and a master’s degree in Software Engineering and Artificial Intelligence from the University of Málaga.



The Attack on SolarWinds Reveals Two Nightmares: What Has Been Done Right and What Has Been Done Wrong
Sergio de los Santos

The Attack on SolarWinds Reveals Two Nightmares: What Has Been Done Right and What Has Been Done Wrong

All cyber security professionals now know at least part of what was originally thought to be “just” an attack on SolarWinds, which has just truned out to be one...
Tell Me What Data You Request from Apple and I Will Tell You What Kind of Government You Are
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...
A Simple Explanation About SAD DNS and Why It Is a Disaster (or a Blessing)
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....
How Traditional CA's Are Losing Control of Certificates and Possible Reasons Why Chrome Will Have a New Root Store
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...
What Do Criminals in the Ransomware Industry Recommend so that Ransomware Does Not Affect You?
Sergio de los Santos

What Do Criminals in the Ransomware Industry Recommend so that Ransomware Does Not Affect You?

We all know the security recommendations offered by professionals on malware protection. Frequently: use common sense (personally, one of the least applicable and abstract pieces of advice that can...
Conti, the Fastest Ransomware in the West: 32 Parallel CPU Threads, but… What for?
Sergio de los Santos

Conti, the Fastest Ransomware in the West: 32 Parallel CPU Threads, but… What for?

Conti, the fastest ransomware, is just one example of how this threat is evolving. Discover what tricks it uses and why in this article.
OpenPGP: Desperately Seeking Kristian
Sergio de los Santos

OpenPGP: Desperately Seeking Kristian

Open Source applications run on a server system that has never worked properly. Why does this happen?
More and shorter certificates with a lower lifetime: where is TLS going to?
Sergio de los Santos

More and Shorter Certificates with a Lower Lifetime: Where Is TLS Going to?

Cryptography is undergoing a renewal of all that is established. Know about all the events that are transforming the way the web works in this article.
Apple introduces up to 14 signatures in XProtect given the malware flood for Mac
Sergio de los Santos

Apple introduces up to 14 signatures in XProtect given the malware flood for Mac

What is Apple doing about Shlayer malware? We analyze the main tools that MacOS is using to face this threat.
New App to Clean Metadata More Easily
Sergio de los Santos

New App to Clean Metadata More Easily

We are not going to repeat the dangers of metadata, since it has been discussed for quite some time now. However, we can try to make its management and cleaning simpler. Some...

Navegación de entradas

Previous articles
1 2 3
More articles
  • Telefónica Tech

Popular

ElevenPaths
Telefónica WannaCry File Restorer: How can we recover information deleted by WannaCry?
When cyberattacks occur in large organizations, it is crucial to remember where duplicate files are stored, as this information is also subject to infection by a malware virus or...
Florence Broderick
Our CEO, Pedro Pablo Pérez, will represent Telefonica in the European Cyber Security Organization
Brussels and the cybersecurity industry will earmark up to 1.8 billion euros in research TELEFONICA JOINS THE DECISION-MAKING BODIES OF THE EUROPEAN CYBER SECURITY ORGANIZATION AS...
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
Who are you going to believe, me or your own eyes? The dilemma of managed security
Organizations are facing a context of increasingly complex IT threats jeopardizing the everyday development of production processes. We are referring to persistent advanced attacks, zero-day threats, industrial espionage, hacktivism,...
Florence Broderick
New Tool: MicEnum, Mandatory Integrity Control Enumerator
In the context of the Microsoft Windows family of operating systems, Mandatory Integrity Control (MIC) is a core security feature introduced in Windows Vista and implemented in subsequent lines...
Think Big
  • Facebook de Telefónica
  • Linkedin de Telefónica
  • Twitter de Telefónica
  • Canal YouTube Telefónica

© Telefónica S.A.

    • Cookies Policy
    • Privacy Policy
    • Accesibility
    • Cookies configuration