Kimwolf DDoS Botnet Operator Arrested in Canada Over DDoS-for-Hire Attacks
The U.S. Department of Justice (DoJ) on Thursday announced the arrest of a Canadian man in connection with allegedly operating a distributed denial-of-ser…
ThreatsDay Bulletin: Linux Rootkits, Router 0-Day, AI Intrusions, Scam Kits and 25 New Stories
This week starts small. A token leaks. A bad package slips in. A login trick works. An old tool shows up again. At first, it feels like the…
Microsoft Warns of Two Actively Exploited Defender Vulnerabilities
Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild.…
When Identity is the Attack Path
Consider a cached access key on a single Windows machine. It got there the way most cached credentials do - a user logged in, and the key…
9-Year-Old Linux Kernel Flaw Enables Root Command Execution on Major Distros
Cybersecurity researchers have disclosed details of a vulnerability in the Linux kernel that remained undetected for nine years. The…
GitHub Internal Repositories Breached via Malicious Nx Console VS Code Extension
GitHub on Wednesday officially confirmed that the breach of its internal repositories was the result of a compromise of an employee device…
Microsoft Open-Sources RAMPART and Clarity to Secure AI Agents During Development
Microsoft has unveiled two new open-source tools called RAMPART and Clarity to assist developers in better testing the security of artificial…
Microsoft Takes Down Malware-Signing Service Behind Ransomware Attacks
Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company's Artifact Signing system…
Webworm Deploys EchoCreep and GraphWorm Backdoors Using Discord and MS Graph API
Cybersecurity researchers have flagged fresh activity from a China-aligned threat actor known as Webworm in 2025, deploying custom backdoors…
Agent AI is Coming. Are You Ready?
New Industry Data Just Released Suggests Not. On May 19th, 2026, Orchid Security released the results of our Identity Gap: Snapshot 2026.…
Typosquatting Is No Longer a User Problem. It's a Supply Chain Problem
AI-generated lookalike domains are now embedded inside the third-party scripts running on your web properties. Here's why your current stack…
Microsoft Releases Mitigation for YellowKey BitLocker Bypass CVE-2026-45585 Exploit
Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week. The…
Grafana GitHub Breach Exposes Source Code via TanStack npm Attack
Grafana Labs, on May 19, 2026, said an investigation into its recent breach found no evidence of customer production systems or operations…
GitHub Breached — Employee Device Hack Led to Exfiltration of 3,800+ Internal Repos
GitHub on Tuesday said it's investigating unauthorized access to its internal repositories after the notorious threat actor known as TeamPCP…
Trapdoor Android Ad Fraud Scheme Hit 659 Million Daily Bid Requests Using 455 Apps
Cybersecurity researchers have disclosed details of a new ad fraud and malvertising operation dubbed Trapdoor targeting Android device users.…
DirtyDecrypt PoC Released for Linux Kernel CVE-2026-31635 LPE Vulnerability
Proof-of-concept (PoC) exploit code has now been released for a recently patched security flaw in the Linux kernel that could allow for local…
The New Phishing Click: How OAuth Consent Bypasses MFA
In February 2026, a phishing-as-a-service (PhaaS) platform called EvilTokens went live. Within five weeks, it had compromised more than 340…
Drupal to Release Urgent Core Security Updates on May 20, Sites Told to Prepare
Drupal has issued an alert stating that it intends to release a "core security release" for all supported branches on May 20, 2026, from 5-9…
SEPPMail Secure E-Mail Gateway Vulnerabilities Enable RCE and Mail Traffic Access
Critical security vulnerabilities have been disclosed in SEPPMail Secure E-Mail Gateway, an enterprise-grade email security solution, that…
Compromised Nx Console 18.95.0 Targeted VS Code Developers with Credential Stealer
Cybersecurity researchers have flagged a compromised version of the Nx Console extension that was published to the Microsoft Visual Studio…
Popular GitHub Action Tags Redirected to Imposter Commit to Steal CI/CD Credentials
In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper,…
Mini Shai-Hulud Pushes Malicious AntV npm Packages via Compromised Maintainer Account
Cybersecurity researchers have discovered a fresh software supply chain attack campaign that has compromised various npm packages associated…
INTERPOL Operation Ramz Disrupts MENA Cybercrime Networks with 201 Arrests
INTERPOL has coordinated a first-of-its-kind cybercrime crackdown across the Middle East and North Africa (MENA) that led to 201 arrests and…
⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and More
Monday opens with a trust problem. A mail server flaw is under active use. A network control system was targeted. Trusted packages were…
How to Reduce Phishing Exposure Before It Turns into Business Disruption
What happens when a phishing email looks clean enough to pass through security, but dangerous enough to expose the business after one click?…
Developer Workstations Are Now Part of the Software Supply Chain
Supply chain attackers are not only trying to slip malicious code into trusted software. They are trying to steal the access that makes…
Ivanti, Fortinet, SAP, VMware, n8n Patch RCE, SQL Injection, Privilege Escalation Flaws
Ivanti, Fortinet, n8n, SAP, and VMware have released security fixes for various vulnerabilities that could be exploited by bad actors to…
MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems
Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a…
Four Malicious npm Packages Deliver Infostealers and Phantom Bot DDoS Malware
Cybersecurity researchers have discovered four new npm packages containing information-stealing malware, one of which is a clone of the…
Pre-Stuxnet Fast16 Malware Tampered with Nuclear Weapons Simulations
A new analysis of the Lua-based fast16 malware has confirmed that it was a cyber sabotage tool designed to tamper with nuclear weapons testing…
NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE
A newly disclosed security flaw impacting NGINX Plus and NGINX Open has come under active exploitation in the wild, days after its public…
Grafana GitHub Token Breach Led to Codebase Download and Extortion Attempt
Grafana has disclosed that an "unauthorized party" obtained a token that granted them the ability to access the company's GitHub environment…
Funnel Builder Flaw Under Active Exploitation Enables WooCommerce Checkout Skimming
A critical security vulnerability impacting the Funnel Builder plugin for WordPress has come under active exploitation in the wild to inject…
Turla Turns Kazuar Backdoor Into Modular P2P Botnet for Persistent Access
The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer (P2P) botnet…
Four OpenClaw Flaws Enable Data Theft, Privilege Escalation, and Persistence
Cybersecurity researchers have disclosed a set of four security flaws in OpenClaw that could be chained to achieve data theft, privilege…
What 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surface
In Your Biggest Security Risk Isn't Malware — It's What You Already Trust, we made a simple argument: the most dangerous activity inside…
TanStack Supply Chain Attack Hits Two OpenAI Employee Devices, Forces macOS Updates
OpenAI has disclosed that two of its employee devices in its corporate environment were impacted via the Mini Shai-Hulud supply chain attack…
On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email
Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active…
CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploits
The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst…
Cisco Catalyst SD-WAN Controller Auth Bypass Actively Exploited to Gain Admin Access
Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been…
Stealer Backdoor Found in 3 Node-IPC Versions Targeting Developer Secrets
Cybersecurity researchers are sounding the alarm about what has been described as "malicious activity" in newly published versions of…
ThreatsDay Bulletin: PAN-OS RCE, Mythos cURL Bug, AI Tokenizer Attacks, and 10+ Stories
Everything is still on fire. This week feels dumb in the worst way — bad links, weak checks, fake help desks, shady forum posts, and…
Ghostwriter Targets Ukrainian Government With Geofenced PDF Phishing, Cobalt Strike
The Belarus-aligned threat group known as Ghostwriter has been attributed to a fresh set of attacks targeting governmental organizations in…