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Brandefense Blog. Cybersecurity And Risk.

Threat actors, dark web activity, ransomware and digital risk, explained by the analysts who track them.

All497 APT Groups85 Dark Web31 Digital Risk Protection126 Fraud16 Ransomware51 Sector Analysis34 VIP Security7
Empty boardroom lit in red with a screen showing a deepfake video call grid of synthetic executivesBlog The Board Meeting That Never Happened: Deepfake Video Calls and the New Wire Fraud A finance employee joined a video call with his CFO and colleagues — every face was synthetic. The deepfake video call attack that moved $25.6 million… Aug 18, 202613 Min Falling dominoes representing how a single vendor breach cascades across multiple organizationsBlog One Vendor, Eleven Crises: Why Your TPRM Program Has a People Data Blind Spot A single HR assessment vendor breach exposed psychometric profiles and interview recordings for executives across eleven organizations. See why people data vendors sit outside standard TPRM… Aug 17, 202616 Min Security operations center monitoring wall representing ransomware fragmentation across the threat landscapeBlog Why Ransomware Fragmentation Makes Attribution Harder Than Ever The ransomware ecosystem has fragmented past the point where group-based playbooks work: 146 active groups, 61 new since April 2025, and a 4.9-month average lifespan. Here's… Aug 13, 202613 Min Hidden M&A attack surface representing inherited and forgotten digital assetsBlog Merger, Acquisition, Forgotten Domain: How M&A Activity Quietly Expands Your Attack Surface Mergers and acquisitions can quietly expand your attack surface through forgotten domains, abandoned subdomains, legacy infrastructure, and unmanaged cloud assets. Learn how EASM helps uncover inherited… Aug 11, 202617 Min XSS2Shell (CVE-2026-64638) WordPress pre-authentication XSS vulnerability leading to remote code executionBlog XSS2Shell (CVE-2026-64638): WordPress Login Page Pre-Auth XSS to RCE Chain Explained XSS2Shell (CVE-2026-64638) is a critical pre-authentication XSS vulnerability affecting WordPress login pages. This technical analysis explains the five-stage exploitation chain, the conditions required for RCE, mitigation… Aug 07, 202614 Min External attack surface visualization showing hidden internet-facing assets and cyber exposure across enterprise infrastructure.Blog The Hidden Attack Surface Problem: Why Enterprises Do Not See All of Their External Exposure Organizations typically discover only 62% of their external attack surface, leaving forgotten assets, shadow IT, and third-party infrastructure exposed to attackers. Learn why visibility matters and… Jul 28, 202615 Min Top 5 ransomware groups dominating the cyber threat landscape in Q2 2026Blog Top 5 Ransomware Groups in Q2 2026: Who They Are, How They Operate, and What They Target Who dominated the ransomware landscape in Q2 2026? Discover how Qilin, TheGentlemen, Akira, DragonForce, and LockBit5 operated, what they targeted, and what Brandefense CTI predicts for… Jul 24, 202617 Min Spear phishing attacks targeting C-suite executives with AI-powered business email compromise tactics.Blog How Spear Phishing Campaigns Target C-Suite Executives: Tactics, Tools, and Defense Modern spear phishing campaigns no longer rely on generic emails. Learn how attackers use OSINT, AI-generated content, deepfakes, and business email compromise (BEC) to target executives—and… Jul 23, 202617 Min Shadow IT visualization showing an unknown user standing inside an enterprise environment, representing hidden assets outside IT visibility.Blog Shadow IT: Why the Assets Your IT Team Doesn’t Know About Are Your Most Dangerous Entry Points Shadow IT has evolved from isolated policy violations into one of the largest enterprise attack surfaces. Discover how unauthorized SaaS applications, AI tools, OAuth integrations, and… Jul 22, 202616 Min WP2Shell technical analysis illustrating the WordPress Core Remote Code Execution chain combining CVE-2026-63030 and CVE-2026-60137.Blog WP2Shell Technical Analysis: CVE-2026-63030 & CVE-2026-60137 WordPress Core RCE Chain WP2Shell combines two WordPress Core vulnerabilities into a critical unauthenticated Remote Code Execution chain. This technical analysis explains the exploit path, affected versions, detection techniques, indicators… Jul 21, 202620 Min WIRTE APT cyber espionage group targeting Middle East government organizationsBlog WIRTE: Covert Espionage Actor Targeting the Middle East and Beyond WIRTE is a Hamas-linked cyber espionage group that leverages phishing, PowerShell malware, and cloud-based command-and-control infrastructure to conduct long-term intelligence operations across the Middle East. Jul 16, 20267 Min Executive home network router representing personal attack vectors targeting executives outside the corporate perimeter.Blog The Executive Cyber Threat: Personal Email, Home Networks, and Family Members as Attack Vectors Corporate security stops at the enterprise perimeter—but attackers don't. Discover how executives are increasingly targeted through personal email accounts, home networks, family members, and publicly available… Jul 10, 202616 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.

  • 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.

  • 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.

  • The site feed at brandefense.io/feed/ lists new posts. The email sign-up box is on the All Resources and Reports pages.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.