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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.



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...
Pay When You Get Infected by Ransomware? Many Shades of Grey
Sergio de los Santos

Pay When You Get Infected by Ransomware? Many Shades of Grey

The Internet is full of articles explaining why ransomware should not be paid. And they are probably right, but if you don’t make a difference between the type of ransomware and...
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...
Sergio de los Santos

Facebook signed one of its apps with a private key shared with other Google Play apps since 2015

Facebook Basics is a Facebook app aimed at countries with poor connectivity, where a free access service to WhatsApp and Facebook is provided. It has been discovered that the Android version...
A government is known by the Apple data it requests
Sergio de los Santos

A government is known by the Apple data it requests

Sometimes, governments need to be underpinned by huge corporations to carry out their work. When a threat depends on knowing the identity or gaining access to a potential attacker...

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