Blog – RISKSEEKER

Iberian Blackout: Not a Cyberattack But a Lesson even for Small Businesses

Posted on December 9, 2025
/Under Security

When the Iberian Peninsula went dark on 28 April 2025, my first thought was cyber-attack, everything pointed that way. I was at a client site where, thanks to my recommendations, their 5 kVA UPS fired immediately, bridging the gap until their…continue reading

Prolonged Cyberattack Hits Portuguese Military Networks, NATO Documents Exfiltrated

Posted on October 3, 2022
/Under Security

A sophisticated, long-running cyberattack targeted Portuguese military networks, resulting in the exfiltration of classified NATO documents. The intrusion primarily affected systems in the Estado-Maior-General das Forças Armadas (EMGFA), Centro de Informações de Segurança Militares (CISMIL), and the Direção-Geral de Recursos…continue reading

Reduce risk, induce trust!

Posted on March 26, 2021
/Under Security

A website using HTTP is an unprotected one and can potentially reveal information about the users that access it. As a user, here is an example: you are using the search function in an unprotected website, so you can disclose…continue reading

Simplicity

Posted on December 20, 2019
/Under Uncategorized

In 2004 the internet went social, and I went social with it! Now it is time to reclaim content back home, to make things simpler. I will still manage clients social platforms but I will be focusing on the main…continue reading

2007: Portugal Faces the Rise of Ransomware

Posted on December 7, 2007
/Under Security

In December 2007, Portugal is witnessing a significant rise in cyber attacks and computer-related crime, with particular emphasis on the emergence of data-seizing malware (ransomware) affecting companies and essential services, including signs of vulnerability in critical institutions such as Multibanco,…continue reading

2006 reinforces attention to security

Posted on December 7, 2006
/Under Security

The year 2006 ended with an increasingly clear warning: cybersecurity is no longer an exclusive topic for technicians or enthusiasts; it is now a priority for citizens, businesses, and institutions in Portugal. One of the milestones of this collective awakening…continue reading

The beginning of 2006 was marked by attacks on bank customers.

Posted on June 30, 2006
/Under Security

The first half of 2006 ended with significant cyber security warnings in Portugal. On February 6th, nearly one hundred Millennium BCP customers received fraudulent emails on their personal computers, highlighting users' vulnerability to phishing and malware attacks. At the same…continue reading

2005 was marked by the attack on PT

Posted on December 29, 2005
/Under Security

The year 2005 ended marked by one of the most significant cyber attacks in Portugal: PT (Portugal Telecom) was the target of an incident that affected several of the company's computers, highlighting the vulnerability of large organizations to cyber risks.…continue reading

Increase in cyber attacks in the first half of the year

Posted on June 30, 2005
/Under Security

The first half of 2005 ended with a significant increase in cyber attacks in Portugal: there was an increase of approximately 50% compared to the same period of the previous year. Home computers and small business networks remain exposed to…continue reading

Aggressive Spam and Numerous Attacks on Home Routers

Posted on December 30, 2004
/Under Security

At the end of 2004, we are seeing a sharp increase in spam, driven by botnets that have grown throughout the year. Major national services have strengthened filters, but some attacks still manage to bypass blocks. At the same time,…continue reading