Security News. From Our Analysts.
Security news from the Brandefense team: new malware, vulnerabilities, data breaches and threat actor activity, summarized for security professionals.
Security News A Phishing Campaign Targeting Hotels and Travel Companies Detected A phishing campaign by TA558 targets hotels and travel companies with fake reservation e-mails, ISO files and RATs. See how it works and how to defend. 
Security News Thousands of VNC Servers Open to the Internet Detected Open VNC servers with no login put industrial systems at risk. See why port 5900 matters and the steps that reduce exposure to remote attacks. 
Security News Zoom Releases Updates Fixing A Critical Vulnerability Affecting macOS Zoom has released security updates that fix a vulnerability in the macOS operating system that could allow a threat actor to take control of a user's… 
Security News A New Attack Campaign Targeted Public Institutions and Industrial Organizations A phishing campaign attributed to TA428 hit public institutions and industry in Eastern Europe and Afghanistan using CVE-2017-11882. See how it works. 
Security News A Critical Data Disclosure Vulnerability Has Been Detected in Slack Slack, an internal messaging and communication application for organization, is vulnerable to a security vulnerability that exposes user credentials. 
Security News A New AiTM Phishing Campaign Targeting Institution/Organization Personnel Has Been Detected A large-scale phishing campaign using advanced AiTM techniques has been detected. AiTM attacks are newer and more advanced phishing attacks. 
Security News Critical Vulnerabilities Detected in Moxa NPort Series Devices 0-day vulnerabilities tracked as CVE-2022-2043 and CVE-2022-2044 affect NPort 5110 device servers designed to connect devices to Ethernet networks. 
Security News “Sality”: The Malware Distributed to Industrial Systems via Password Recovery Tools Security researchers identified a malware distribution campaign to industrial control systems (ICS) through password recovery tools developed for PLC. 
Security News MageCart E-Skimmer Attacks Targeted Restaurants in the USA MageCart e-skimmer campaigns reportedly hit three US online ordering platforms for restaurants. See how skimming works and how to defend. 
Security News Premint Security Breach Caused 314 NFTs Hijacking Attackers injected malicious JavaScript into Premint on 17 July 2022 and stole 314 NFTs through wallet approvals. How the attack worked and what to check. 
Security News Marriott International Suffered from Security Breach Leading to 20GB of Data Hijacking Marriott International confirmed a breach in which attackers took 20GB of internal files. What happened, who was told, and the steps that reduce risk. 
Security News RedAlert: The New Ransomware Targeting VMware ESXi Servers RedAlert (N13V) ransomware targets VMware ESXi servers on Windows and Linux, shuts down virtual machines, demands Monero and runs a leak site. All 20 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.