Brandefense Blog. Cybersecurity And Risk.
Threat actors, dark web activity, ransomware and digital risk, explained by the analysts who track them.
APT 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… 
APT 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… 
APT 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… 
APT 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… 
APT 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… 
APT 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… 
APT 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,… 
APT Groups GALLIUM APT: What MITRE ATT&CK Says GALLIUM is a cyberespionage group that MITRE ATT&CK says has been active since at least 2012, mainly targeting telecom, finance and government. See what is confirmed… 
APT Groups TraderTraitor: North Korea’s Crypto Heist Machine TraderTraitor—also known as Jade Sleet and UNC4899—is one of North Korea’s most aggressive financial APT groups. Responsible for major crypto thefts, including the $1.5B ByBit hack,… 
APT Groups Handala: The Rise of a Decentralized Pro-Palestinian Hacktivist Collective Handala is a pro-Palestinian hacktivist collective active since 2022, conducting defacements, DDoS attacks, and politically motivated data leaks targeting Israeli, U.S., and Western entities during regional… 
APT Groups Moonlight Tiger (APT-C-09, Patchwork, Dropping Elephant): India’s Silent Espionage Arm in the Digital Battlefield Moonlight Tiger (APT-C-09) is a long-running India-linked cyber-espionage group conducting spearphishing, modular malware campaigns, and intelligence-gathering operations across South and East Asia. Targeting government, defense, academic,… 
APT Groups Inside WageMole: North Korea’s Fusion of Cybercrime and Espionage WageMole is a North Korean APT active since 2018, operating at the intersection of cyber-espionage and financial theft. The group targets cryptocurrency, fintech, and defense sectors… All 42 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.