Welcome to PT 4 Tech on PT for Tech

Welcome to PT 4 Tech

Sun, 16 Nov 2025 01:30:53 +0100

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

Wed, 12 Nov 2025 21:30:53 +0100

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

Responsible AI Developement - Article @ Mobile Europe

Thu, 06 Nov 2025 21:30:53 +0100

Article on How to deliver Responsible AI solutions

Developing secure artificial intelligence: essential practices

Sat, 11 Oct 2025 21:30:53 +0100

Developing secure artificial intelligence: essential practices

Hack Day @ OPOSEC 2025

Sat, 14 Jun 2025 23:30:53 +0100

Hack Day @ OPOSEC 2025

WebCast - Proteção contra Fraudes Digitais

Wed, 13 Nov 2024 21:30:53 +0100

Proteção contra Fraudes Digitais

Uma Reflexão sobre a Fuga de Dados da AMA

Fri, 18 Oct 2024 21:30:53 +0100

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

Challenges in developing secure solutions

Mon, 30 Oct 2023 21:30:53 +0100

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

Computer Virus for Kids

Sat, 07 Jan 2023 21:30:53 +0100

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

Fortify 2 Teams Webhook

Thu, 22 Dec 2022 21:30:53 +0100

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

Engenharia social e a importância da cibersegurança

Fri, 11 Mar 2022 00:00:00 +0000

Social engineering and the importance of cybersecurity - Translated Article

Cibersegurança e as ameaças no digital

Tue, 01 Mar 2022 00:00:00 +0000

Cyber Security Article in Portuguese - Translated Article

Microsoft Vulnerability VULN-040632

Thu, 03 Feb 2022 00:00:00 +0000

Microsoft Client-Side validation vulnerability

Sonarqube - Usage Statistics

Sun, 18 Jul 2021 00:00:00 +0000

How to retrieve scan metrics from Sonarqube

Howto use OpenVAS/GVM in Docker

Fri, 05 Mar 2021 00:00:00 +0000

Howto use OpenVAS/GVM in Docker

Bug Bounty @ Microsoft

Fri, 15 Jan 2021 00:00:00 +0000

My first vulnerability within Microsoft with $$$

Solar Water Tank Temperature to ELK Stack (ElasticSearch + Logstash + Kibana)

Sun, 06 Sep 2020 00:00:00 +0000

How to get Water Solar Temperature using Arduino to ELK Stack (ElasticSearch + Logstash + Kibana) - here is how…

Enemy Territory working in Mac OS - Catalina

Sat, 18 Jul 2020 00:00:00 +0000

How to Enemy Territory working in Mac OS - Catalina

CyberSecurityDomains

Wed, 08 Jul 2020 20:30:53 +0100

During a conversation with a student from Aveiro, I had the urge to create a mind map with the fields/domains in CyberSecurity that I could remember.

Here is it, hope it helps.

Cheers

Solax Inverter json to ELK Stack (ElasticSearch + Logstash + Kibana)

Wed, 01 Jul 2020 00:00:00 +0000

How to get status information from a Solax Solar Panel to ELK Stack (ElasticSearch + Logstash + Kibana) - here is how…

Admin Rights to Everyone - Mimikatz

Wed, 30 May 2018 21:30:53 +0100

Admin rights, everyone gets Admin rights! by Pedro Tarrinho This presentation took place in OPOSEC in 2018 and was originated in a talk that I gave at IPVC (Instituto Politécnico de Viana do Castelo)

LOQR - Authentication without Passwords

Wed, 15 Jul 2015 21:30:53 +0100

The end of Password - authentication with QR Codes securely

Espionagem – "Quem vê o que eu faço na Internet"

Tue, 14 Apr 2015 21:30:53 +0100

With all the technology that we have today … that we can have privacy while online (Internet) ? - read this in Portuguese

Ataque à Sony Pictures Entertainment: Toda a História

Thu, 08 Jan 2015 21:30:53 +0100

Society need to think the way it looks to cybersecurity. The idea of an 100% secure system is an utopia, however, we shouldn’t stop looking for ways to improve our security

Dark Hotel - 2014

Mon, 15 Dec 2014 21:30:53 +0100

Dark Hotel the attack in Portuguese

BlackHat - ameaça na rede

Thu, 11 Dec 2014 21:30:53 +0100

BlackHat the movie, the Truth of Fiction - see here in Portuguese

SHA1, ShellShock e Poodle, ameaças da Web

Thu, 11 Dec 2014 21:30:53 +0100

Society need to think the way it looks to cybersecurity. The idea of an 100% secure system is an utopia, however, we shouldn’t stop looking for ways to improve our security - see here in Portuguese

Regin, um Malware activo há 10 anos

Fri, 05 Dec 2014 21:30:53 +0100

Regin a 10 year old malware/backdoor - read this in Portuguese