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

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

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

This summer of 2004 we are seeing a clear shift: the focus of infections has moved from email to MSN Messenger. Variants like Kelvir automatically send links to all of the victim's contacts, often with messages that appear legitimate and…continue reading

Throughout this quarter we are dealing with the impact of the Sasser worm, which exploits the LSASS vulnerability (MS04-011) and infects Windows XP and 2000 systems without any user interaction.The result has been unexpected reboots, high network traffic, and instability…continue reading