Skip to content

Segurança Informática

Tópicos atuais sobre segurança da informação. A segurança informática é da responsabilidade de todos.

  • Breaking News
    • Hacking
    • Internet of Things
    • Data Breach
    • DarkWeb
    • Laws and Regulations
      • GDPR
    • Malware
      • ransomware
    • Reverse Engineering
    • Vulnerability
    • Cybercrime
    • Phishing
    • Reports
    • twitter On Twitter
  • Research
    • Malware and Phishing Analysis
    • Threat Report Portugal
    • GitBook – Read Teaming and Malware
    • Tutorials
    • Awesome Tools
  • youtube_mini_logo Videos
  • spotify_mini_logo Podcast
  • youtube_mini_logo 0xSI_f33d
  • gitbook GitBook
  • Tools
  • Scam Alerts
  • Contact
  • Author
Segurança Informática
  • Breaking News
    • Hacking
    • Internet of Things
    • Data Breach
    • DarkWeb
    • Laws and Regulations
      • GDPR
    • Malware
      • ransomware
    • Reverse Engineering
    • Vulnerability
    • Cybercrime
    • Phishing
    • Reports
    • twitter On Twitter
  • Research
    • Malware and Phishing Analysis
    • Threat Report Portugal
    • GitBook – Read Teaming and Malware
    • Tutorials
    • Awesome Tools
  • youtube_mini_logo Videos
  • spotify_mini_logo Podcast
  • youtube_mini_logo 0xSI_f33d
  • gitbook GitBook
  • Tools
  • Scam Alerts
  • Contact
  • Author
Malware

CannibalRAT, um RAT escrito em Python

Posted on 2 Março, 2018
cannibalrat-activity

Investigadores da Cisco Talos descobriram um novo Remote Access Trojan (RAT) batizado como CannibalRat e que foi escrito em Python na sua totalidade.

computer security

GitHub alvo do maior ataque DDoS alguma vez registado

Posted on 2 Março, 2018
largest-ddos-attack

Na quarta-feira, 28 de fevereiro de 2018, o website do GitHub foi atingido pelo  maior ataque de negação de serviço (DDoS)  e  obteve um recorde de 1,35 Tbps.

computer security, vulnerability

Dovecot out-of-bounds Read Vulnerability

Posted on 1 Março, 2018
dovecotLogo

Reported by Cisco Talos, today is disclosed a single out-of-bounds read vulnerability in the Dovecot IMAP server.

computer security, Malware

Websites WordPress, Joomla e CodeIgniter infectados pelo malware ionCube

Posted on 1 Março, 201824 Setembro, 2019
ionCube-Files

Investigadores de segurança da empresa SiteLock identificaram que centenas de websites foram infetados pelo malware ionCube. Estes websites são baseados no CMS WordPress, Joomla e CodeIgniter.

computer security, segurancainformatica

HTTPS – que informação é protegida

Posted on 28 Fevereiro, 201822 Março, 2018
http_to_https-1

Este artigo apresenta os principais beneficios da utilização do protocolo HTTPS. Descreve também, de forma breve, como uma ligação segura é estabelecida e que informação é encriptada.

computer security, Hacking

Servidores Memcached usados massivamente em ataques DDoS

Posted on 28 Fevereiro, 2018
memcached-amplification-ddos-attack

Os hackers descobriram uma maneira de abusar dos servidores Memcached para lançar poderosos ataques DDoS, tão devastadores que podem derrubar websites e também infraestruturas na Internet.

computer security, vulnerability

Facebook Flaw Exposed Page Administrators

Posted on 27 Fevereiro, 2018

Facebook has patched a vulnerability that exposed page administrators. The security researcher Mohamed Based reported the flaw this week

computer security, darkweb, Malware

Data Keeper Ransomware – Uma plataforma Ransomware-as-A-Service incomum e complexa

Posted on 26 Fevereiro, 2018
Data-Keeper-RaaS-login

O Ransomware Data Keeper, que infetou brutalmente vários sistemas, foi gerado por um novo serviço de Ransomware-as-a-Service (RaaS).

computer security, newsletter

Newsletter, 18-24 February

Posted on 25 Fevereiro, 201825 Fevereiro, 2018
newsletter

Atualização +500 milhões de palavras-passe no haveibeenpwned O serviço haveibeenpwned foi atualizado com mais de 500 milhões de novas palavras-passe leakead algures no tempo. Valide se a…

computer security, Data Breach

Atualização +500 milhões de palavras-passe no haveibeenpwned

Posted on 23 Fevereiro, 2018
Searching-for-a-Pwned-Password-768x359

O serviço haveibeenpwned foi atualizado com mais de 500 milhões de novas palavras-passe leakead algures no tempo. Valide se a sua palavra-passe pessoal, ou organizativa, fazem parte desta nova listagem.

computer security, Hacking, vulnerability

Vulnerabilidades críticas no Drupal versão 7 e 8

Posted on 23 Fevereiro, 2018
drupal-flaws

A equipa do Drupal revelou que foram identificadas vulnerabilidades críticas tanto na versão 7 como na versão 8 do seu CMS

computer security, Malware, reverse engineering, vulnerability

Drive-by download campaign targets Chinese websites

Posted on 23 Fevereiro, 201823 Fevereiro, 2018
wall

According to a research performed by Malwarebytes, sometimes are identified some bizarre findings or patterns we haven’t seen before. This was the case with a particular drive-by download attack planted on Chinese websites.

Cryptocurrency, Hacking, Malware

Crypto-jacking no Los Angeles Times

Posted on 23 Fevereiro, 201823 Fevereiro, 2018

Foi identificado crypto-jacking no website do Los Angeles Times e que permaneceu escondido junto do código fonte. Este esquema malicioso tira partido do poder de processamento dos CPUs dos visitantes para minerar a criptomeda Monero.

Malware, Mobile

Android P vai bloquear acesso ao microfone e camara para apps em background

Posted on 22 Fevereiro, 20186 Agosto, 2018
Android-P-2

Um nota positiva em prol da privacidade do utilizador. A nova versão do sistema operativo Android irá bloquear o acesso à camara e microfone para todas as aplicações que corram em background.

computer security, segurancainformatica

Incident Response And Computer Forensics

Posted on 22 Fevereiro, 201820 Fevereiro, 2018

Through incident response and combining it with a deep forensic analysis, the number of security issues and computer attacks can be reduced and detected at an early stage. This should be a mandatory role for the all ecosystems that can be audited, such as Cloud Infrastructures, mobile devices, operating systems, and so on.

computer security, Data Breach

AWS offers S3 bucket permissions to prevent data breaches

Posted on 21 Fevereiro, 2018

Amazon Web Services (AWS) has launched a new way that allows to the customers check whether their S3 buckets are leaking stored data.

Paginação dos conteúdos

← 1 … 55 56 57 58 59 … 66 →

Search in blog

    Author – Founder

    pedro tavares

    Pedro Tavares is a professional in the field of information security, Head of Offensive Unit of ArtResilia firm and also working as an Ethical Hacker/Pentester, Malware Researcher and a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.

    In recent years he has invested in the field of information security, exploring and analyzing a wide range of topics, such as pentesting, malware, exploitation, hacking, IoT and security in Active Directory networks.  He is also Freelance Writer and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens. He also launched his GitBook, where he publishes some of his notes entirely online, and took his first steps in podcasting by launching the podcast 'Manhãs em Cibersegurança,' in the Portuguese language."

    Read more here.

    Newsletter

    #0xSI_f33d

    The Portuguese Abuse Open Feed

    si_f33d
    @ VirusTotal offical ingestor

    Add a new phishing / malware campaing into 0xSI_f33d

    Podcast “Manhãs em Cibersegurança”

    Infographic – Threat Report Portugal Q3 & Q4 2022

    si_f33d

    Download [PDF] or [PNG]

    Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal

    clickthebait

    The new maxtrilha trojan is being disseminated and targeting several banks

    maxtrilha

    The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal

    qbot

    A taste of the latest release of QakBot

    qbot

    Javali trojan weaponizing Avira antivirus legitimate injector

    javali

    Anubis Network – The evolution of the Phishing schema

    anubis

    Threat analysis: The emergent URSA trojan impacts many countries using a sophisticated loader

    ursa

    In-depth analysis of a trojan banker impacting Portugal and Brazil

    trojan_portugal_and_Brazil

    Grandoreiro malware May 2020 – Portugal

    The updated Grandoreiro Malware equipped with latenbot-C2 features in Q2 2020 now extended to Portuguese banks

    grandoreiro_portugal_2020

    Brazilian trojan banker is targeting Portuguese users using browser overlay

    predictions

    Trojan Lampion – Portugal

    predictions

    New release of Lampion trojan spreads in Portugal with some improvements on the VBS downloader

    lampion

    Banking Phishing Portugal

    Banking Phishing | Targets Portugal, Spain, Brazil and Chile | From Brazil | Infection process

    Categories

    • APT
    • computer security
    • Cryptocurrency
    • Cryptography
    • Cybercrime
    • darkweb
    • Data Breach
    • Digital Identity
    • Distributed Ledger
    • GDPR
    • Hacking
    • Internet of Things
    • Laws and Regulations
    • Malware
    • Malware and Phishing Analysis
    • Manhãs em Cibersegurança
    • Mobile
    • newsletter
    • Phishing
    • ransomware
    • Reports
    • reverse engineering
    • segurancainformatica
    • Threat Report Portugal
    • tutorials
    • vulnerability

    Social Networks

    youtube_logo



               

    Segurança-Informática

    Partners / Sponsors

    trignosfera

    Tell Us About New Scams Here

    scam

    Support my work

    buymeacoffee



    license

    This work is licensed under a Creative Commons Attribution 4.0 International License. If you have queries about republishing, contact me. Check individual posts and images for licensing details.

    © 2026 Segurança Informática / Powered by WordPress / Theme by Design Lab
    • Research
    • Malware and Phishing Analysis
    • Scam Alerts
    • youtube_mini_logo Youtube
    • youtube_mini_logo 0xSI_f33d
    • Author
    • TERMS AND PRIVACY