Welcome to PT 4 Tech

16 November 2025

OWASP Lisboa Chapter - 11th edition - Talk about Responsible AI developement

12 November 2025

OWASP Lisboa Chapter - 11th edition - Talk about Responsible AI developement

Responsible AI Developement - Article @ Mobile Europe

6 November 2025

Article on How to deliver Responsible AI solutions

Developing secure artificial intelligence: essential practices

11 October 2025

Developing secure artificial intelligence: essential practices

Hack Day @ OPOSEC 2025

14 June 2025

Hack Day @ OPOSEC 2025

WebCast - Proteção contra Fraudes Digitais

13 November 2024

Proteção contra Fraudes Digitais

Uma Reflexão sobre a Fuga de Dados da AMA

18 October 2024

A Importância da Segurança Digital em Portugal: Uma Reflexão sobre a Fuga de Dados da AMA

Challenges in developing secure solutions

30 October 2023

Protection against cyber threats is a priority that cannot be neglected in a constantly evolving digital environment.

Computer Virus for Kids

7 January 2023

My nephew decided to install an App in his cellphone… but doesn’t know the concept of virus…

Fortify 2 Teams Webhook

22 December 2022

We decided to use the Webhook function from Teams/Fortify, however, their syntax don’t match. Damn!!

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Pedro Tarrinho

I have a two part Life Motto that states: ‘Only those who try, get it wrong.’ and ‘But only those who try, are not afraid to make mistakes!’ Describing me as a person: So, I started as a developer, a sysadmin and a security guy. Now, I’m working in Application Security @Celfocus. My hobbies are my Family, snowboarding and soccer.

Tech / Security

Portugal