Threat Intelligence Researches. From Our Analysts.

Threat intelligence research from Brandefense: threat actors, malware, vulnerabilities and campaigns, with analysis you can use to prioritize defenses.

Futuristic mask representing cybersecurity and digital protection concepts.Malware Analysis Reports Grandoreiro Trojan Technical Analysis Grandoreiro is a Delphi banking trojan seen since 2016 and aimed at banking users in Latin America and Iberia. See what this technical report covers. Jan 11, 20263 Min RomCom APT group visualization representing Russia-aligned cyber espionage activityAPT Groups RomCom APT RomCom, also known as Void Rabisu or Storm-0978, is a Russia-aligned advanced persistent threat active since 2022. The group is known for combining espionage-driven operations with… Jan 08, 20265 Min Cactus ransomware group APT card illustrating a stealth-focused cyber extortion threat targeting enterprisesAPT Groups Inside the Operations of Cactus: The Rise of a Stealth-Focused Ransomware Threat Cactus is a financially motivated ransomware group leveraging VPN vulnerabilities, encrypted tunneling, and double extortion tactics to target enterprises across the US, UK, and Europe. Jan 07, 20266 Min Operation ForumTroll APT card showing Russia-aligned influence and espionage threat actorAPT Groups Operation ForumTroll: What Is Confirmed About the Chrome Zero-Day (CVE-2025-2783) A deep-dive into Operation ForumTroll, a high-risk Russia-aligned threat actor conducting espionage, phishing, and influence operations across Eastern Europe. Jan 06, 20263 Min PlushDaemon APT card representing a China-aligned cyber espionage threat actorAPT Groups PlushDaemon APT: An In-Depth Analysis of a Stealthy China-Aligned Cyber Espionage Group PlushDaemon is a stealthy, China-aligned advanced persistent threat (APT) group focused on long-term cyber espionage. Active since the early 2010s, the group primarily targets government, defense,… Jan 05, 20268 Min Smishing Triad cybercrime group using SMS phishing and brand impersonation tacticsAPT Groups Smishing Triad: A Global Cybercrime Syndicate Targeting Postal and Financial Networks The Smishing Triad is a high-risk, financially motivated cybercrime syndicate operating smishing-as-a-service campaigns since 2022. By impersonating postal, banking, and public service brands, the group targets… Jan 04, 20268 Min Silent Chollima APT45 APT card showing a North Korea–linked threat actor focused on cyber espionage and revenue generationAPT Groups Silent Chollima: North Korea’s Dual-Track Cyber Weapon Silent Chollima (APT45), also known as Onyx Sleet, is a North Korea–linked threat actor operating at the intersection of cyber espionage and financially motivated attacks. Active… Dec 30, 20256 Min OldGremlin APT threat group profile visual representing a Russian-speaking hybrid ransomware and espionage actorAPT Groups OldGremlin: A Stealthy Russian-Speaking Ransomware and Espionage Threat Group Evolving Into a Precision Striking APT OldGremlin is a high-risk, Russian-speaking threat group operating since 2020 that blends APT-level stealth, long-term reconnaissance, and double-extortion ransomware. Its precision-driven campaigns pose significant risk to… Dec 29, 20257 Min OilRig APT34 Helix Kitten Iran-linked cyber espionage threat actor targeting energy and defense sectorsAPT Groups OilRig: Iran’s Persistent Espionage Arm in Cyberspace OilRig, also known as APT34 or Helix Kitten, is one of Iran’s most persistent cyber espionage groups. Active since 2014, the group targets energy, defense, and… Dec 24, 20258 Min Callisto APT cyber espionage group – Russia-linked threat actor targeting NATO and government institutionsAPT Groups Callisto APT: Russia’s Persistent Espionage Operator Callisto is a long-running Russia-linked APT group specializing in cyber espionage against NATO, EU, and government organizations. This analysis explores its identity, tactics, cloud-focused operations, and… Dec 23, 20256 Min Crafty Camel APT card representing Iran-linked cyber espionage group targeting government and energy sectorsAPT Groups Crafty Camel APT: Iran’s Expanding Espionage Footprint in the Modern Cyber Battlespace Crafty Camel is an Iran-aligned advanced persistent threat leveraging spearphishing, cloud credential theft, and identity-centric attacks to conduct long-term cyber espionage. Active since 2017, the group… Dec 18, 20255 Min Angry Likho APT group profile representing a pro-Russian cyber espionage threatAPT Groups Angry Likho: Inside a Rapidly Growing Espionage Threat Targeting Eastern Europe Angry Likho is a rapidly evolving pro-Russian cyber espionage group targeting Eastern European governments and defense organizations. This in-depth threat intelligence report analyzes its motivations, TTPs,… Dec 17, 20257 Min
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FAQ

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.

  • New articles are added several times a month. The newest come first, and every article shows its publish date.

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  • The blog page shows 470 articles. 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.

  • 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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