Cyber Security News

A dangerous new ransomware strain called Payload has been quietly building a global victim list since it first appeared in February 2026. The group launched its leak site with a high-profile target and has since expanded operations across Egypt, Mexico, Poland, and beyond. What makes this threat stand out is not just its reach, but […]

The post Payload Ransomware Uses ChaCha20 and Curve25519 ECDH to Encrypt Windows Files appeared first on Cyber Security News.

PuTTY 0.84 has been released with fixes for multiple minor security flaws, including issues that could trigger SSH key exchange crashes and a Telnet prompt spoofing weakness. While these vulnerabilities are considered low severity, they highlight how even small flaws in cryptographic handling and session logic can be abused in specific attack scenarios, particularly by […]

The post PuTTY 0.84 Released With Fix for SSH KEX Crashes and Telnet Prompt Spoofing Flaw appeared first on Cyber Security News.

A critical heap buffer overflow vulnerability has been disclosed in 7-Zip version 26.00, enabling attackers to achieve arbitrary code execution via a vtable hijack by exploiting a defect in the tool’s NTFS archive handler. Tracked as CVE-2026-48095 and assigned advisory GHSL-2026-140, the flaw resides in the CInStream::GetCuSize() function inside NtfsHandler.cpp. The function computes the NTFS […]

The post New 7-Zip Vulnerabilities Let Attackers Execute Arbitrary Code and Compromise Systems appeared first on Cyber Security News.

Anthropic appears to be loosening its grip on Claude Mythos, the company’s most powerful and previously restricted AI model, with new signals pointing to a commercially versioned release under the name Mythos 1 (claude-mythos-1-preview), integrated directly into Claude Code and a revamped Claude Security dashboard targeting enterprise customers. Claude Mythos first surfaced in late March […]

The post Anthropic’s Restricted Claude Mythos Moves Toward Public Release via Claude Code and Security appeared first on Cyber Security News.

A North Korea-linked hacker group has quietly upgraded one of its most dangerous tools, making it harder for security software to detect. InvisibleFerret, an information-stealing malware tied to the threat actor known as Void Dokkaebi (also tracked as Famous Chollima), has been repackaged into a format that slips past many traditional detection methods. Instead of […]

The post InvisibleFerret Malware Now Ships as .pyd and .so Files to Evade Script Detection appeared first on Cyber Security News.

A well-known advanced persistent threat group called Cloud Atlas has been caught using a dangerous technique to hijack Windows systems without alerting anyone on the network. The group modifies a core Windows file called termsrv.dll to unlock multiple simultaneous Remote Desktop Protocol (RDP) sessions on a victim’s computer. This lets attackers work in the background […]

The post Cloud Atlas APT Group Modifies termsrv.dll to Enable Multiple RDP Sessions on Victim Hosts appeared first on Cyber Security News.

Cybercriminals are openly selling verified bank accounts, fintech wallets, and cryptocurrency exchange accounts through Telegram channels, turning money laundering into a structured, on-demand criminal service. This underground market has grown far beyond informal recruitment and now operates like a professional industry, complete with tiered pricing, customer support, and account replacement guarantees. The funds moved through […]

The post Cybercriminals Use Telegram Channels to Sell Verified Bank and Fintech Mule Accounts appeared first on Cyber Security News.

A new supply chain attack campaign is quietly targeting developers through a method most would never think to look for. Hidden inside software packages on GitHub, a malicious script downloads a Linux binary during installation and disguises it using a filename designed to look like a standard system process. The attack has now touched more […]

The post Hackers Hide Linux Payload Under SSH-Like Filename During Package Installation appeared first on Cyber Security News.

A solo Russian-speaking threat actor leveraged a jailbroken instance of Google Gemini to run a five-year MAGA-themed influence operation, crack WordPress administrator credentials, and empty at least one victim’s cryptocurrency wallet, all at near-zero cost using stolen API keys. In May 2026, TrendAI™ Research uncovered the full operational infrastructure of a threat actor tracked as […]

The post Russian Hacker Used Jailbroken Gemini to Steal Admin Credentials and Drain Crypto Wallets appeared first on Cyber Security News.

Hackers are actively abusing a flaw in shared Content Delivery Network (CDN) infrastructure to hide malicious traffic behind trusted, high-reputation domains, effectively slipping past the security tools that organizations rely on every day. The technique, now tracked under the name “Underminr,” is not a software bug but a deliberate abuse of how CDNs are designed […]

The post Hackers Abuse Shared CDN Infrastructure to Bypass Domain Reputation Security Controls appeared first on Cyber Security News.

A newly disclosed zero-day vulnerability in the KnowledgeDeliver Learning Management System (LMS) has been actively exploited in the wild to deploy the BLUEBEAM in-memory web shell, according to Mandiant’s incident response findings. The flaw, now tracked as CVE-2026-5426, enables unauthenticated remote code execution (RCE) and affects deployments that relied on default ASP.NET configuration settings prior […]

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A well-known Iranian threat group has found a new way to push malware onto people’s machines. Instead of sending phishing emails, the group built a fake website that impersonated a real database software download page and used search engine tricks to rank it near the top of results. Anyone who searched for the tool online […]

The post Iranian APT Uses SEO Poisoning to Deliver Fake SQL Developer Malware Installer appeared first on Cyber Security News.

A Russian state-sponsored threat group has quietly upgraded one of its most powerful cyber weapons, and the result is a spying tool that is harder to detect, harder to kill, and more capable than ever before. Security researchers have now confirmed that Kazuar, a sophisticated backdoor long used by Secret Blizzard, has evolved from a […]

The post Kazuar Malware Evolves Into Modular Espionage Ecosystem for Secret Blizzard Operations appeared first on Cyber Security News.

CISA has issued an urgent alert regarding a critical SQL injection vulnerability in Drupal Core, tracked as CVE-2026-9082, which is now being actively exploited in real-world attacks. The flaw, classified under CWE-89, affects Drupal’s database abstraction API and could allow attackers to execute malicious SQL queries through specially crafted requests. According to the Cybersecurity and […]

The post CISA Warns of Drupal Core SQL Injection Vulnerability Exploited in Attacks appeared first on Cyber Security News.

GitHub has introduced a major security upgrade to the npm ecosystem with the general availability of staged publishing and new install-time controls, aimed at reducing automated supply chain attacks targeting open-source packages. The newly released staged publishing feature changes how npm packages are published and distributed. Instead of immediately making a package available after publishing, […]

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A newly identified scareware kit called CypherLoc is locking victims’ browsers and tricking them into calling fake Microsoft support lines. The kit has been linked to roughly 2.8 million attacks since the start of 2026, making it one of the more aggressive browser-based threats observed this year. Unlike traditional malware that requires a file to […]

The post Hackers Use Browser-Locking CypherLoc Kit to Push Fake Microsoft Support Calls appeared first on Cyber Security News.

A fully autonomous bug-bounty framework called Pentest Agent Suite has been open-sourced, delivering 50 specialized security agents, 26 slash commands, 19 CLI tools, and a cross-IDE installer across seven major AI coding platforms — Claude Code, OpenAI Codex, Google Gemini, Cursor, Windsurf, VS Code Copilot, and OpenClaw. The project, published on GitHub by researcher H-mmer, […]

The post Pentest Agent Suite – Bug Bounty Framework for Claude Code and 6 AI Coding Tools appeared first on Cyber Security News.

The Wireshark Foundation has released Wireshark 4.6.6, addressing a critical security vulnerability in the ROHC (Robust Header Compression) protocol dissector that could allow an attacker to crash the application by injecting a specially crafted, malformed packet. The update also resolves over a dozen stability and compatibility bugs affecting Windows users. The primary security fix targets […]

The post Wireshark 4.6.6 Released With Fix for Dissector Crash via Malformed Packet Injection appeared first on Cyber Security News.

New TrapDoor supply chain campaign, an active attack deploying 34 malicious packages and over 384 related versions across npm, PyPI, and Crates.io to steal developer credentials and cryptocurrency wallets. The operation explicitly targets developers in the crypto, DeFi, Solana, and AI communities by disguising malware as generic developer tools and security scanners. The campaign’s earliest […]

The post Hackers Compromised 34 Packages in npm, PyPI, and Crates in New Supply Chain Attack appeared first on Cyber Security News.

The cybersecurity landscape in 2026 is defined by unprecedented sophistication. Threat actors are leveraging generative AI, highly evasive polymorphic code, and zero-day exploits to bypass traditional perimeter defenses. For modern Security Operations Centers (SOCs) and incident response teams, signature-based detection is no longer sufficient. To truly understand and neutralize an unknown threat, security professionals must […]

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