An exposed attacker server has unveiled FortiBleed, a large-scale credential-compromise campaign targeting internet-facing Fortinet FortiGate firewalls and SSL VPN gateways globally. This operation involved credential harvesting through reuse, brute force, and hash cracking using a distributed GPU infrastructure with approximately 36 rented GPUs via Hashtopolis. The exposed directory contained 319 files revealing scanning tools, cracking infrastructure, credential databases, post-exploitation toolkits, and active VPN configurations. While initially reported as affecting 21,632 domains, analysis of the attacker's own tooling reveals only 918 organizations showed evidence of internal network compromise, with merely 148 confirmed cases where credentials were fully cracked. The operation ultimately aimed to sell initial access to compromised networks, with victims spanning 194 countries, predominantly India, United States, and Taiwan.
A sophisticated, modular phishing infrastructure has been identified targeting at least 12 Mexican financial institutions over a three-year period. The operation leverages GitHub Pages for hosting and SheetBest API for credential exfiltration, eliminating the need for dedicated backend infrastructure. Attackers employ obfuscated JavaScript, randomized paths, and dynamic brand selection panels to impersonate legitimate banking portals. Over 100 associated domains were identified, each hosting multiple phishing pages across different paths. Credentials are collected through multi-stage forms mimicking authentic banking authentication flows and exfiltrated in real-time to attacker-controlled Google Sheets. An alternative exfiltration method via Telegram bot was also observed. The campaign demonstrates operational persistence with multiple operator accounts maintaining the infrastructure through continuous commits and updates.
A sophisticated smishing and phishing operation active since the second half of 2025 has impersonated over 267 brands across 72 countries, with particular concentration in Latin America. The campaign generated 4,389 phishing domain instances, with Mexico accounting for 1,851 cases. Telecommunications is the most targeted sector with 1,754 instances, followed by financial services and consumer rewards programs. The operation employs fake Cloudflare error pages as decoys, revealing malicious content only to victims matching specific geofencing and mobile device criteria. Data exfiltration occurs through encrypted WebSocket channels using binary encoded payloads. Approximately 30% of infrastructure is hosted on Tencent Cloud and Alibaba US servers, fronted by Cloudflare to mask hosting IPs. The attack chain progresses from SMS lures through progressive credential harvesting, ultimately capturing complete credit card details including CVV codes.
Researchers uncovered a massive fraud ecosystem targeting the 2026 FIFA World Cup, identifying over 4,300 fraudulent domains impersonating FIFA's official website since August 2025. At the center operates GHOST STADIUM, a Chinese-speaking threat actor running a sophisticated phishing campaign across 300+ domains using a pixel-perfect clone of FIFA's authentication system. The operation harvests credentials, sells fake tickets, and processes payments through five distinct channels including cryptocurrency. Estimated losses from premium ticket fraud alone range from $71 million to $474 million, with total campaign losses potentially reaching billions. Six distinct fraud schemes operate in parallel: credential phishing, fake ticket sales, counterfeit merchandise, fake streaming platforms, fraudulent betting sites, and infostealer-driven credential theft. Over 2,513 FIFA account credentials are already circulating on dark-web markets. The campaign exploits Facebook advertising as its primary distribution chann...
Two distinct threat campaigns, SHADOW-AETHER-040 and SHADOW-AETHER-064, have been identified targeting government entities and financial organizations across Latin America using agentic artificial intelligence to conduct cyber intrusions. SHADOW-AETHER-040, a Spanish-speaking group, compromised six government entities in Mexico between December 2025 and January 2026, while SHADOW-AETHER-064, operating in Portuguese, targeted Brazilian financial institutions starting in April 2026. Both campaigns established SOCKS5 tunnels via ProxyChains and SSH, enabling AI agents to execute commands directly within victim networks. The AI agents dynamically generated hacking tools and scripts on-demand, reducing detection by signature-based security solutions. Despite tactical similarities including shared toolsets like Chisel, Neo-reGeorg, CrackMapExec, and Impacket, the campaigns appear to be separate entities distinguished primarily by language. These operations represent emerging cases of AI agents executing complete...
A BTS comeback and world-tour announcement has resulted in a new wave of scam campaigns. Kaspersky experts have discovered fraudulent websites that sell fake BTS tickets to fans all around the world. We explain what those fake pages look like, and how you can avoid getting scammed.
Hasbro, a major toy manufacturer, has been targeted by a cyberattack currently under investigation. The company is assessing the full extent of the incident, including whether any sensitive files or data have been compromised. No specific technical details, attack vectors, or exploited vulnerabilities have been disclosed yet. There are no known exploits in the wild related to this incident at this time. The severity is currently assessed as medium based on limited information. Organizations should monitor for updates and review their security posture, especially those in the toy and manufacturing sectors. The attack highlights the ongoing risk of cyber threats to large consumer goods companies. Immediate containment and forensic analysis are critical to understand the breach scope. This incident may have implications for supply chain security and customer data protection. Defenders should prioritize incident response readiness and data protection strategies.
BlueVoyant researchers have uncovered a broad, multi-pronged phishing campaign targeting Spanish-speaking users in organizations across Latin America and now Europe as well. While recent industry intelligence heavily documented attacks utilizing WhatsApp to deliver banking trojans under the umbrella of the Brazil-based eCrime group Augmented Marauder (a.k.a. Water Saci)
A sophisticated malware campaign targeting WhatsApp users has been observed since February 2026. The attack chain begins with malicious Visual Basic Script files sent via WhatsApp messages, which, when executed, initiate a multi-stage infection process. The malware uses renamed Windows utilities, retrieves payloads from trusted cloud services, and installs malicious MSI packages. The campaign employs social engineering, stealth techniques, and cloud-based payload hosting to establish persistence and escalate privileges on victim systems. The attackers utilize legitimate tools and trusted platforms to reduce visibility and increase the likelihood of successful execution. The final stage involves the delivery of unsigned MSI installers that enable remote access to compromised systems.
A new phishing campaign is targeting TikTok for Business accounts using adversary-in-the-middle (AitM) techniques. The attackers employ Cloudflare Turnstile to evade detection and create convincing lookalike pages impersonating TikTok for Business or Google Careers. Victims are tricked into clicking malicious links, leading to credential theft. The campaign aims to seize control of business accounts, which can be used for malvertising and malware distribution. Multiple domains are involved in hosting the phishing pages. Additionally, a separate campaign using SVG file attachments to deliver malware has been observed in Venezuela, with potential links to BianLian ransomware activity.
Spammers are disguising fraudulent links within legitimate survey platforms — emails containing these links easily bypass standard spam filters. We analyze the scheme, highlight the red flags, and provide defensive strategies.
Mazda experienced a cyberattack resulting in the theft of sensitive employee and business partner information, including internal IDs, names, email addresses, and partner IDs from an internal management system. The breach exposed personally identifiable information (PII) that could be leveraged for identity theft, phishing, or further targeted attacks. Although no known exploits are currently active in the wild, the incident highlights vulnerabilities in Mazda's internal security posture. The attack did not disclose technical details about the attack vector or exploited vulnerabilities, limiting the ability to fully assess the attack method. The severity is assessed as medium due to the nature of the stolen data and the potential for misuse, but no direct operational disruption was reported. Organizations with similar internal management systems should review access controls and data protection measures. Countries with significant automotive industry presence and Mazda operations are at higher risk of similar attacks. Immediate mitigation should focus on enhancing internal system security, employee awareness, and monitoring for suspicious activity.
This report details the discovery and analysis of a Horabot malware campaign targeting primarily Mexican users. The attack chain begins with a fake CAPTCHA page leading to multiple stages of obfuscated scripts, ultimately delivering an AutoIT loader and a Delphi-based banking Trojan. The malware employs sophisticated encryption techniques, anti-VM checks, and a custom protocol for C2 communication. It also includes a spreader component written in PowerShell that harvests and exfiltrates email addresses to distribute phishing emails. The analysis reveals Brazilian Portuguese comments in the code, suggesting the threat actor's origin. The report provides detection opportunities including YARA rules and hunting queries to identify this threat.
Meta does not plan on fixing the vulnerability because it involves the use of a modified client application. The post Researcher Discovers 4th WhatsApp View Once Bypass; Meta Won’t Patch appeared first on SecurityWeek .
The article exposes a sophisticated scam targeting Minecraft players through fake 'grief-free' server communities. The SugarSMP website, promising a safe gaming experience, was found to distribute malware-infected mod packs. The malware, named Spark stealer, steals sensitive data including Discord tokens, browser credentials, and crypto wallet information. The threat actors employ social engineering tactics to maintain their fake community's reputation and remove warnings about their activities. Multiple similar websites were discovered, all hosting various types of malware. The scam's persistence mechanisms and social engineering techniques are detailed, along with remediation steps for affected users.
A sophisticated multi-stage infection chain targets Argentina's judicial ecosystem using spear-phishing tactics and authentic-looking judicial content. The campaign employs a carefully crafted ZIP archive containing a weaponized LNK shortcut, BAT-based loader script, and judicial-themed PDF decoy. The attack chain leads to the deployment of a Rust-based Remote Access Trojan (RAT) that demonstrates extensive anti-VM, anti-sandbox, and anti-debugging techniques. The RAT establishes a resilient command-and-control channel, supports modular commands for various malicious activities, and implements full lifecycle management. The operation, dubbed 'Operation Covert Access,' aims to secure long-term access within high-trust institutional settings, highlighting the need for improved defenses against socially engineered intrusion chains.
