Ransomware. From Our Analysts.
Ransomware research: active groups, leak-site activity, attack methods and trends, plus practical steps to reduce your exposure and prepare your response.
Ransomware Ransomware Evolution: Analyzing the Next Generation of Cyber Heists How ransomware grew into multi-stage, targeted attacks: double extortion, social engineering, attacker TTPs, and the defenses that limit the damage. 
Ransomware Ransomware Royale: The Cyber Heist You Can’t Afford to Ignore Ransomware locks files until a ransom is paid. Learn how attacks work, how they spread, what they cost businesses and the steps that reduce your risk. 
Ransomware Indonesia Cybersecurity Threat Landscape and Strategic Insights: Mid-Year 2024 Indonesia faces botnet, phishing, fraud and ransomware threats. See what a mid-year 2024 report found on dark web activity and how to reduce the risk. 
Ransomware Donex Ransomware Technical Analysis Donex ransomware technical analysis: how the Windows malware encrypts local and network files, clears logs, maps to MITRE ATT&CK, and how to defend. 
Ransomware KageNoHitobito Ransomware Technical Analysis KageNoHitobito ransomware encrypts local files with a .hitobito extension and uses TOR. See its behaviour, MITRE ATT&CK mapping and how to defend. 
Ransomware [Research Summary]: Rugmi Loader Rugmi loader technical analysis: phishing delivery, DLL hijacking, direct syscalls, Heaven's Gate evasion, process injection, a stealer payload and defenses 
Ransomware Stone Gaze: In-Depth Analysis of Medusa Ransomware Medusa ransomware is a RaaS group active since 2021. See how it gets in, encrypts files and pressures victims, plus the steps that reduce the risk. 
Ransomware Defending Against Multi-Vector Cyber Attacks Multi-vector cyber attacks hit networks, apps and people at once. Learn the common types and the layered steps that help organizations defend against them. 
Ransomware Ransomware recovery and detection: a practical guide Ransomware recovery and detection explained: warning signs, first steps, rebuilding from offline backups, and whether you need to pay. 
Ransomware Xehook Stealer Technical Analysis The xehook stealer is a .NET data-stealing malware sold on a cybercrime forum. See how it works, the MITRE ATT&CK techniques it uses and how to… 
Ransomware Xeno RAT Technical Analysis Xeno RAT analysis: an open-source remote access tool with a client builder, reverse proxy, process, file and registry management, and file hashes. 
Ransomware The Invisible Threats: Protecting Against Encrypted Malware Encrypted malware hides its code and traffic with encryption to evade standard tools. Learn how to detect it, build layered defences and train staff. All 5 pages
About The Blog.
Last updated June 9, 2026-
Articles on ransomware, APT groups, the dark web, digital risk protection, fraud, sector analysis and VIP security, written for security teams.
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New articles are added several times a month. The newest come first, and every article shows its publish date.
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Use the topic chips above the list to open one topic, or type a word in the search box. Each topic has its own page.
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Articles draw on public sources such as CISA advisories, MITRE ATT&CK and ENISA reports. Sources are listed at the end of an article when it cites them.
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The site feed at brandefense.io/feed/ lists new posts. The email sign-up box is on the All Resources and Reports pages.
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Brandefense is an AI-driven threat intelligence company. Its platform covers cyber threat intelligence, digital risk protection and external attack surface management. You can request a demo on your own domain from the Request A Demo page.
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The count at the top of the blog page shows the current total, and each topic chip shows how many articles that topic holds. You can open all of them or pick one topic, such as APT Groups, Dark Web, Ransomware or Fraud. Each article shows its publish date.
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The blog describes its articles as explained by the analysts who track threats. They cover threat actors, dark web activity, ransomware and digital risk. The newest articles appear first.
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Yes. APT Groups is one of the topic chips above the list, and it opens only the articles on that topic. The Knowledge Hub also holds profiles of threat groups.
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The surface web is the part of the internet that search engines list. The deep web is content that search engines do not list, such as pages behind a login. The dark web needs special software to reach. The blog has an article that explains the three layers in plain words.