Posts by Sergio Castell - Security Researcher
Protecting Financial Services Embedded in Mobile Apps
6 minute read | April 21, 2026The line between "consumer apps" and "banking apps" is rapidly disappearing as the digital economy continues to evolve. Apps for retail, travel, and even social media are increasingly embedding financial services like payments, credit, and insurance...
Read moreAbout Sergio Castell - Security Researcher
Bypassing the Key Attestation API with Remote Devices
https://www.guardsquare.com/blog/bypassing-key-attestation-api
Protect Against Evolving Malware Attacks with Threat Monitoring
https://www.guardsquare.com/blog/fight-malware-attacks-with-threat-monitoring


