Threat actors have resurfaced with an upgraded SHub stealer for macOS, now branded “Reaper,” and they’re using a stealthy distribution trick that should worry every Mac user. Attackers build fake download pages for popular apps (WeChat, Miro and others) and…
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AI-Powered Worm Leverages Stolen Compute to Target Linux, Windows, and IoT Devices
AI-powered malware is moving from theory to reality, with new proof-of-concept worms showing how large language models (LLMs) can autonomously compromise mixed networks of Linux, Windows, and IoT devices while parasitically hijacking GPU compute for their own reasoning. Instead of…
Zero-Click Agentic AI Attack Bypasses Human Oversight
Taxonomy of Failure Modes in Agentic AI Systems v2.0 published in April 2026, the field received more than a classification update: it got operational guidance grounded in a year of real-world red teaming that exposed how quickly agentic AI systems…
CISA Issues Alert on Actively Exploited Linux Kernel Security Flaw
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a fresh alert warning organizations about the active exploitation of a Linux kernel vulnerability tracked as CVE-2022-0492. The flaw, categorized as an improper authentication issue, affects Linux systems using the…
Let’s Encrypt Introduces Merkle Tree Certificates for Post-Quantum Web Security
Let’s Encrypt has unveiled a new approach to securing the web against future quantum threats: Merkle Tree Certificates (MTCs), a post-quantum–ready certificate model designed to maintain the speed and reliability of today’s TLS ecosystem. As the industry moves closer to…
Cisco SD-WAN Security Flaw Actively Exploited for Root-Level Command Execution
Cisco has disclosed a high-severity vulnerability in its Catalyst SD-WAN Manager that is actively being exploited in the wild, allowing attackers to execute arbitrary commands with root-level privileges on affected systems. The vulnerability, tracked as CVE-2026-20245, carries a CVSS score…
Malicious Python Package Mimics Parsimonious Parser
A sophisticated typosquatting attack targeting Python developers through a malicious package named “parsimonius” on the Python Package Index (PyPI). The rogue package was engineered to impersonate the legitimate parsimonious parsing library, a well-known tool for building recursive descent parsers in…
Chinese APT VerdantBamboo Targets Appliances with BRICKSTORM Malware
BRICKSTORM is a modular remote access trojan (RAT) originally seen in Golang and later in Rust. It uses a wssoft library with pluggable “tasks” for shell commands, a Socks5 proxy, and a simple web server for file listing. An incident…
VECT 2.0 Ransomware Breaks Files Beyond Its Own Recovery
VECT 2.0 ransomware can leave victims with files that even the attacker’s own decryptor cannot reliably restore. While researchers previously exposed a cross-platform design flaw that discards nonces for earlier parts of large files, our Windows-focused analysis shows additional implementation…
Microsoft Edge Vulnerability Lets Remote Attackers Execute Arbitrary Code
Microsoft has disclosed three critical vulnerabilities in its Edge browser, all discovered during the Pwn2Own competition and reported by security researcher Orange Tsai of DEVCORE Research Team. The flaws, tracked as CVE-2026-45492, CVE-2026-45494, and CVE-2026-45495, were publicly disclosed on June…
Dashlane Reveals How Hackers Downloaded Encrypted Password Vaults
Dashlane has disclosed the findings of a recent security investigation, confirming that a limited number of users were impacted by a targeted brute-force attack against its device registration system. The company emphasized that its internal infrastructure was not breached and…
Supply Chain Attack Hits Dozens of npm Packages via binding.gyp
A large-scale npm supply chain attack has compromised at least 57 packages across more than 286 malicious versions in a rapid, coordinated campaign that unfolded in under two hours on June 3, 2026. The attack began at approximately 23:30 UTC…
Fake Ghidra, dnSpy & SpiderFoot Sites Used to Spread Malware
Hackers are abusing search results and professional-looking fake download portals to distribute malware by impersonating popular security tools like Ghidra, dnSpy, and SpiderFoot. These sites capture users’ first click on a “Download” button and silently hand it to a traffic…
Malicious Ads Target macOS Users with FlutterShell Backdoor
Hackers are leveraging large-scale malvertising campaigns to distribute a newly identified macOS backdoor dubbed FlutterShell, marking a significant evolution in financially motivated adware operations. Security researchers tracking the activity attribute it to a broader cluster known as CL-CRI-1089 and have…
Fake Claude Code Installer Spreads Fileless .NET Infostealer
Hackers are actively abusing interest in AI development tools by launching a sophisticated SEO poisoning campaign that impersonates Anthropic’s Claude Code installation flow to deliver a fully fileless .NET infostealer, according to researchers at Howler Cell. The campaign targets users…
Comodo Internet Security 0-Day Flaw Triggers Windows System Crashes
A remotely exploitable zero-day vulnerability in Comodo Internet Security’s kernel-level firewall driver allows attackers to crash Windows systems with a single IPv6 packet, and the vendor has yet to respond. Security researcher Marcus Hutchins publicly disclosed a critical zero-day vulnerability…
IronWorm npm Attack Steals Developer Secrets
A newly uncovered supply chain attack dubbed “IronWorm” is leveraging malicious npm packages to compromise developer environments, steal sensitive credentials, and propagate itself across repositories in a worm-like fashion. The campaign, identified in the wild, targets software developers with a…
Stock Exchange Executive’s Outlook Targeted in Credential Theft Attack
A prolonged and highly targeted espionage campaign has been uncovered involving the compromise of a senior executive’s Microsoft Outlook account at a major global stock exchange, highlighting the strategic value of executive-level email access in modern cyber operations. The activity,…
Proofpoint: TA4922 Deploys New RAT and Loader Arsenal
A rapidly evolving threat cluster tracked as TA4922, a Chinese-speaking cybercriminal actor deploying a diverse and expanding malware arsenal that now includes Atlas RAT, RomulusLoader, SilentRunLoader, and ValleyRAT. The group is notable for its high operational tempo, shifting tactics, and…
PoC Exploit Released for Cisco Unified Communications Manager Security Vulnerability
A proof-of-concept (PoC) exploit has been released for a critical server-side request forgery (SSRF) vulnerability impacting Cisco Unified Communications Manager (Unified CM) and Unified CM Session Management Edition (Unified CM SME), increasing the likelihood of active exploitation in enterprise environments.…