Threat Research

Rhadamanthys malware has evolved considerably, showcasing continuous advancements in cybercriminal tactics. Initially discovered in 2022, it began as a sophisticated information stealer targeting credentials, financial data, and system details....

In August 2025, Kraken— a Russian-speaking ransomware group that emerged from the former HelloKitty cartel— conducted big-game hunting and double-extortion attacks. Cisco Talos observed the group exploiting SMB vulnerabilities for initial access, then using Cloudflared for persistence and SSHFS for pre-encryption data exfiltration....

The Agenda ransomware group (Qilin) has been observed deploying Linux-based binaries on Windows hosts using legitimate remote management and file transfer tools. This cross-platform technique evades traditional Windows-focused detections, including many EDR solutions....

APT37, a North Korea–linked threat group, conducted a social engineering campaign masquerading as an academic forum invitation from a South Korean national security think tank. The lure referenced a real event titled “Trump 2.0 Era: Prospects and South Korea’s Response” to gain credibility....

A GLS-themed ClickFix social-engineering campaign in Italy delivered the Remcos RAT by tricking users into manually running malicious commands. ClickFix campaigns have risen over the past year because manual execution helps attackers evade AV, sandbox, and EDR detection....

In early 2025, researchers identified a surge of ransomware attacks abusing the SimpleHelp Remote Monitoring and Management (RMM) platform, widely used by MSPs and software vendors. Threat groups such as Medusa and DragonForce exploited three vulnerabilities — CVE-2024-57726, CVE-2024-57727, and CVE-2024-57728 — to infiltrate downstream customer networks....

On October 6, 2025, the developer “Loadbaks” released Vidar Stealer v2.0 on underground forums. The malware was rewritten entirely in C, improving speed and efficiency through a multithreaded architecture. Its launch coincided with a decline in Lumma Stealer activity, driving threat actors toward Vidar and StealC....

A vulnerability in Gladinet’s Triofox platform, tracked as CVE-2025-12480, allowed attackers to bypass authentication and access configuration pages without credentials. The flaw enabled arbitrary file upload and code execution through abuse of the platform’s built-in antivirus feature, and was exploited by the threat actor UNC6485....

CHAMELEON_NET is a targeted malspam campaign delivering the DarkTortilla .NET loader to distribute FormBook. Infection starts with a phishing email and a .bz2 archive that drops an obfuscated JavaScript file. The JS launches a VB.NET loader that decrypts an embedded DLL via an index-based XOR and reflectively loads it in memory....

Researchers have discovered a new Android spyware family called LANDFALL. Attackers delivered it through a zero-day flaw (CVE-2025-21042) in Samsung’s image processing library. This issue is part of a broader pattern seen across multiple mobile platforms. The vulnerability was exploited in the wild before Samsung patched it in April 2025....

Detects a suspicious CertReq execution that initiates a file download. This activity is commonly associated with attackers attempting to retrieve additional payloads or configuration files....

A global phishing campaign is targeting the hospitality industry, exploiting compromised Booking.com accounts and WhatsApp messages to defraud hotel customers. The attackers gained access to hotel systems through infostealer malware, stealing credentials for booking platforms like Booking.com and Expedia....

Between June and August 2025, we observed a newly identified threat actor, designated UNK_SmudgedSerpent, conducting targeted operations against academics and foreign policy experts....

On September 8, 2025, a threat actor hijacked the NPM account of developer “qix” (Josh Junon) through a phishing email impersonating NPM Support. After stealing credentials via a fake NPM login page, the attacker injected a JavaScript clipper into 20 popular NPM packages, redirecting cryptocurrency transactions to attacker-controlled wallets....

Silent Lynx is an espionage-driven APT group known for spear-phishing campaigns impersonating government officials to target Central Asian, Russian, and Southeast Asian entities. Recent analysis shows the group’s slow tactical evolution, using fake RAR archives and malicious .NET implants, while making operational errors that exposed new infrastructure....