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

Etiqueta: CVE-2021-27065

computer security, Hacking, vulnerability

Exchange chain CVE-2021-26855 and CVE-2021-27065 walkthrough

Posted on 12 Março, 2021

In recent days, Exchange has been exposed to several critical exploits explored in the wild. CVE-2021-26855 and CVE-2021-27065 are the two flaws involved in this…

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