FlutterShell Backdoor Spreads to macOS via Malicious Google and YouTube Ads

Cybersecurity researchers have shed light on a macOS malvertising campaign codenamed Operation FlutterBridge that spreads a new backdoor called FlutterShell. According to Palo Alto Networks Unit 42, the campaign is said to be the next stage of a previously reported activity cluster dubbed...

Fake Sites Mimicking Open-Source Tools Rank High on Google to Deliver Malware via TDS

Cybersecurity researchers have flagged a large-scale operation that impersonates open-source and freeware projects to funnel unsuspecting users through a Traffic Distribution System TDS and deliver malware families like Remus Stealer, AnimateClipper, and the SessionGate framework. "The sites are...

Hackers Spied on a Stock Exchange Executive's Outlook Mailbox for Five Months

Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the inbox out in small, repeated batches and routing it through Dropbox and OneDrive so the traffic blended into normal cloud activity. Symantec and Carbon Black...

DoJ Disrupts Southeast Asia Crypto Fraud Networks, Freezes $3.8 Million in Assets

The U.S. Department of Justice DoJ on Wednesday announced the results of a sweeping action undertaken by government authorities and private sector companies to combat cyber-enabled and cryptocurrency fraud targeting Americans. The "Disruption Week" operation began May 18, 2026, leading to the...

WhatsApp, Slack Notifications Could Hijack Google Gemini on Android

A single poisoned notification from WhatsApp, Slack, SMS, Signal, Instagram, or Messenger could have hijacked Google Gemini's voice assistant on Android and made it open a victim's connected windows, fake a message from their boss, push the phone into a Zoom call, or quietly poison its long-term...

Microsoft Fixes One-Click GitHub Dev Attack That Let Attackers Steal OAuth Tokens

Cybersecurity researchers have disclosed a one-click attack via Microsoft Visual Studio Code VS Code that makes it possible to steal a user's GitHub token. "Just by clicking a link, it's possible for an attacker to steal a GitHub token that can read and write to your repos, including private ones...

Autonomous AI Tool Finds 2-Year-Old RCE Flaw in Redis (CVE-2026-23479)

Redis has patched a use-after-free in its blocking-client code that lets an authenticated user run arbitrary OS commands on the machine hosting the database. The flaw was found by an autonomous AI tool built to hunt bugs in large codebases. Tracked as CVE-2026-23479, the flaw was introduced in...

CISA Adds Exploited Magento RCE Flaw CVE-2026-45247 to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Wednesday added a critical flaw impacting Mirasvit Cache Warmer, a popular Magento full-page cache extension, to its Known Exploited Vulnerabilities KEV catalog, following reports of active exploitation in the wild. The...

Google DoubleClick Abused in New Malspam Campaign to Deliver .NET Loader

Cybersecurity researchers have flagged a new malspam campaign that makes use of Google's DoubleClick domain as a way to evade detection and ultimately deliver an unidentified .NET-based loader. "Before the victim ever reaches attacker-controlled infrastructure, the lure routes through DoubleClick...

Microsoft 365 Android Apps Let Any App Steal Account Tokens via Leftover Debug Flag

A development flag left switched on in production builds of several Microsoft 365 Android apps disabled the check that limits account-token sharing to trusted Microsoft apps. Any other app on the same phone could ask for the signed-in user's token and get it, then read email, open files, browse t...

Beyond the Zero-Day: See Your Network Like an Attacker | Webinar with HD Moore

Assume the breach. Zero-days keep shipping, AI is writing exploits faster than anyone patches, and "patch everything in time" stopped working years ago. Stop betting the org on winning that race. You don't control which bug lands. You control what it can reach once it does. That is a question abo...

Shrinking the IAM Attack Surface through Identity Visibility and Intelligence Platforms (IVIP)

The Fragmented State of Modern Enterprise Identity Enterprise IAM is approaching a breaking point. As organizations scale, identity becomes increasingly fragmented across thousands of applications, decentralized teams, machine identities, and autonomous systems. The result is Identity Dark Matter...

Unpatched Windows Search URI Vulnerability Lets Attackers Steal NTLMv2 Hashes

Cybersecurity researchers have disclosed details of an unpatched issue that could be exploited to disclose a user's NTLMv2 hash to the attacker. Like in the case of CVE-2026-33829, which impacted the Windows Snipping Tool's ms-screensketch: URI handler, the newly flagged issue resides in the...

New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare

Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. The vulnerability has been codenamed HTTP/2 Bomb by Calif. "The vulnerable behavior exists in each server's...

Weedhack Attacks Minecraft Users, CountLoader Hits 86K, Miners Spread via Pirated Content

Cybersecurity researchers have flagged a new campaign targeting Minecraft players via YouTube to spread malware capable of gaining control of victims' systems. The Minecraft-focused malware-as-a-service MaaS campaign has been codenamed Weedhack by McAfee Labs, stating the activity has been active...

Google June 2026 Android Update Patches 124 Flaws, One Actively Exploited

Google on Monday released patches for 124 security vulnerabilities impacting its Android operating system for the month of June 2026, including one high-severity flaw in the Framework component that has come under active exploitation. Tracked as CVE-2025-48595 CVSS score: 8.4, the security flaw h...

Gamaredon Exploits WinRAR to Deliver GammaWorm and GammaSteel Against Ukraine

The Russian hacking group known as Gamaredon has been attributed to the continued exploitation of a WinRAR vulnerability to deliver multiple malware families aimed at data theft and propagation. Per Sekoia, the activity involves the weaponization of CVE-2025-8088, a path traversal flaw in WinRAR,...

Oracle WebLogic CVE-2024-21182 Added to KEV Catalog After Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added a high-severity security flaw impacting Oracle WebLogic Server to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. The vulnerability, CVE-2024-21182 CVSS score: 7.5, allows an...

AI-Driven Exploitation is Destroying Vulnerability Management. Here’s How to Handle It.

AI-driven exploitation timelines are rapidly shrinking, and they are not going to stop shrinking. Vulnerabilities are being discovered, reproduced, and weaponized faster than ever in the history of enterprise security. As a result, the window between a vulnerability being disclosed and...

How Leading Organizations Are Turning EDR Into Operational Resilience

Most organizations now recognize that endpoint protection alone is no longer sufficient. That's why adoption of endpoint detection and response EDR has accelerated rapidly in recent years. Organizations understand that modern attacks move faster, evade traditional prevention controls, and require...

Pakistan-Linked SideCopy Targets Afghanistan Finance Ministry with Xeno RAT

Cybersecurity researchers have disclosed details of a spear-phishing campaign likely undertaken by the Pakistan-aligned SideCopy group targeting Afghanistan's Ministry of Finance with an open-source remote access trojan called Xeno RAT. "The campaign opens with a spear phishing delivery - a ZIP...

Dashlane Discloses Brute-Force Attack, Encrypted Vaults of Fewer Than 20 Users Downloaded

Password manager Dashlane has disclosed that "fewer than" 20 users on the personal subscription plan had their encrypted vaults downloaded following a brute-force attack launched by an unknown party. On May 31, 2026, the company said an "external" threat actor launched a brute-force attack agains...

Miasma Supply Chain Attack Compromises Red Hat npm Packages with Credential-Stealing Worm

A new Mini Shai-Hulud supply chain attack campaign, codenamed Miasma , has compromised @redhat-cloud-services packages to steal credentials and secrets from developer machines and deliver a self-propagating worm. "This is effectively a Mini Shai-Hulud campaign: it uses the same core tactics of...

⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI-Powered Attacks, OAuth Phishing and More

Monday hit like a cron job with anger issues. A busted auth path here, a repo-side faceplant there, some "patched-ish" thing already getting chewed on in the wild, and then the usual bonus round: poisoned dev tools, sketchy forum chatter, phishing kits pretending to be productivity, and AI loweri...

China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan

A new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent. According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial...

The Security Growth Platform: Why MSPs Are Moving Beyond vCISO Tools

Three years ago, the practical question for an MSP building a cybersecurity practice was which "vCISO platform" to buy. The term was good shorthand for the work at the time: assessments, advisory, reporting, maybe a compliance module bolted on the side. The work has since outgrown the descriptor....

OpenAI Codex Authentication Tokens Stolen in codexui-android npm Supply Chain Attack

Cybersecurity researchers have disclosed details of a new malicious supply chain campaign that's targeting developers using OpenAI Codex through a legitimate-looking remote web UI. The tool, named codexui-android, is advertised on GitHub and npm as a remote web UI for OpenAI Codex, attracting ove...

Critical WP Maps Pro Flaw Actively Exploited to Create Admin Accounts

Threat actors are attempting to actively exploit a critical security flaw impacting WP Maps Pro, a WordPress plugin that has had over 15,000 sales on the Envato Market, to create malicious administrator accounts on susceptible sites. WP Maps Pro allows site owners to embed customizable Google Map...

Dutch Authorities Dismantle Botnet Linked to 17 Million Infected Devices

Dutch authorities have announced the takedown of a botnet that enslaved millions of infected devices, including computers, tablets, smartphones, and IoT devices, to carry out malicious attacks. The bot network, per the Dutch Politie and the National Cyber Security Center NCSC, consisted of at lea...

PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active Exploitation

Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-0257 CVSS score: 7.8, refers to a case of authentication bypass that could be exploited b...

ChatGPhish Vulnerability Turns ChatGPT Web Summaries Into a Phishing Surface

Cybersecurity researchers have disclosed details of a vulnerability in OpenAI ChatGPT that leverages the artificial intelligence AI assistant's implicit trust in Markdown links and images to trigger prompt injections and open the door to phishing attacks. The technique has been codenamed ChatGPhi...

Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 Exploit

An unknown threat actor has been observed using a large language model LLM agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker compromised an...

New Russia-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks

A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in the Russian time zone,...

What 2,000 Exposed Vibe-Coded Apps Reveal About the Limits of Most Security Stacks

Shadow AI used to mean employees pasting things they shouldn't into ChatGPT. It now means something bigger: employees building full applications with AI, wiring them into production systems, and publishing them on the open internet. Without Security or IT in the loop. The artifact moved from a...

Malicious Sicoob NuGet Steals Banking Credentials as npm Packages Target Cloud Secrets

Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through 2.0.4 of "Sicoob.Sdk"...

Kimsuky Deploys HTTPSpy, Expands Arsenal with HelloDoor and VS Code Tunnels

The North Korean state-sponsored threat actor known as Kimsuky aka Velvet Chollima has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026. "Kimsuky employed a range of tailored social engineering tactics, such as...

Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code

A critical security vulnerability has been disclosed in Gogs, a popular open-source self-hosted Git service, that allows an authenticated user to execute arbitrary code under certain conditions. The security flaw, per Rapid7, is rated 9.4 on the CVSS scoring system. It does not have a CVE...

Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer

Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server EMS deployments to deliver a credential-stealing malware family dubbed EKZ Infostealer. "The campaign abused trusted endpoint management infrastructure to deliver malware...

Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal

Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure CVD, urging the research community to share their findings and give affected vendors an opportunity to better understand the impact and address them before they are publicly disclosed. The development comes after a...

ThreatsDay Bulletin: Claude Security Plugin, Azure Priv-Esc, Kali365 MFA Bypass, FIFA Scams +15 More

Every time you think the industry has finally stopped doing some reckless, low-effort crap, somebody spins up a fresh box full of sketchy loaders, fake installers, recycled social-engineering bait, and enough exposed infrastructure to make you wonder if prod is just a public beta now - meanwhile...

New AI Usage Report: Enterprise AI Risk Is Heavily Concentrated Among a Small Group of AI "Power users"

State of AI Usage Report 2026 full report here by LayerX Security reveals the extent of the enterprise AI visibility gap and why most organizations still don't understand where their AI exposure is actually coming from. The research shows that enterprise AI risk is not distributed evenly across...

JINX-0164 Targets Cryptocurrency Firms with Fake Recruiter Lures and macOS Malware

A new campaign orchestrated by a previously undocumented threat actor has targeted cryptocurrency organizations with an aim to facilitate digital asset theft using recruitment-themed social engineering and bespoke macOS malware. "These campaigns leveraged sophisticated social engineering...

Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users

Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That's according to new findings from WatchGuard and ESET, which have observed the two malware families being used t...

Malicious npm Package Stole Files From Claude AI User Directory via GitHub

Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities. According to OX Security, the package, named "mouse5212-super-formatter," is designed to upload files from "/mnt/user-data," a dedicated directory used by...

5 Steps to Managing Shadow AI Tools Without Slowing Down Employees

When an employee installs an AI writing assistant, connects a coding copilot to their IDE, or starts summarizing meetings with a new browser tool, they are doing exactly what a productive employee should do: finding faster ways to work. Across most organizations today, employees are running three...

GlassWorm Malware Takedown Disrupts Developer Supply Chain Attack Infrastructure

CrowdStrike, in partnership with Google and the Shadowserver Foundation, has announced the simultaneous disruption of all command-and-control C2 channels associated with GlassWorm, a persistent software chain campaign targeting software developers through malicious packages and extensions. "Since...

3 SOC Steps that Shut Down Incident Risks Early

Most organizations still picture cyber defense as a fortress problem: build stronger walls, add more guards, buy another detection engine. But modern incidents rarely crash through the front gate. They drift in disguised as routine activity, hide inside legitimate processes, and quietly accumulat...

Gitea Vulnerability Exposes Private Container Images without Authentication

Cybersecurity researchers have disclosed a security flaw in Gitea, an open-source, self-hosted platform for version control, that allows unauthenticated remote attackers to pull private container images from Gitea deployments without requiring an account, password, or other credentials. The...

AI Chatbot Recommendations Redirect Users to Cryptojacking Malware Sites

Microsoft has warned of an active cryptojacking campaign that makes use of artificial intelligence AI chatbot interactions as a mechanism for surfacing malicious download sites. "This emerging delivery technique extends social engineering beyond conventional search results and increases the...

MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries

The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financia...