China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa Ransomware

A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems. "The threat actor's high operational tempo and...

Flowise AI Agent Builder Under Active CVSS 10.0 RCE Exploitation; 12,000+ Instances Exposed

Threat actors are exploiting a maximum-severity security flaw in Flowise , an open-source artificial intelligence AI platform, according to new findings from VulnCheck. The vulnerability in question is CVE-2025-59528 CVSS score: 10.0, a code injection vulnerability that could result in remote cod...

Iran-Linked Password-Spraying Campaign Targets 300+ Israeli Microsoft 365 Organizations

An Iran-nexus threat actor is suspected to be behind a password-spraying campaign targeting Microsoft 365 environments in Israel and the U.A.E. amid ongoing conflict in the Middle East. The activity, assessed to be ongoing, was carried out in three distinct attack waves that took place on March 3...

DPRK-Linked Hackers Use GitHub as C2 in Multi-Stage Attacks Targeting South Korea

Threat actors likely associated with the Democratic People's Republic of Korea DPRK have been observed using GitHub as command-and-control C2 infrastructure in multi-stage attacks targeting organizations in South Korea. The attack chain, per Fortinet FortiGuard Labs, involves obfuscated Windows...

Multi-OS Cyberattacks: How SOCs Close a Critical Risk in 3 Steps

Your attack surface no longer lives on one operating system, and neither do the campaigns targeting it. In enterprise environments, attackers move across Windows endpoints, executive MacBooks, Linux infrastructure, and mobile devices, taking advantage of the fact that many SOC workflows are still...

⚡ Weekly Recap: Axios Hack, Chrome 0-Day, Fortinet Exploits, Paragon Spyware and More

This week had real hits. The key software got tampered with. Active bugs showed up in the tools people use every day. Some attacks didn’t even need much effort because the path was already there. One weak spot now spreads wider than before. What starts small can reach a lot of systems fast. New...

How LiteLLM Turned Developer Machines Into Credential Vaults for Attackers

The most active piece of enterprise infrastructure in the company is the developer workstation. That laptop is where credentials are created, tested, cached, copied, and reused across services, bots, build tools, and now local AI agents. In March 2026, the TeamPCP threat actor proved just how...

Qilin and Warlock Ransomware Use Vulnerable Drivers to Disable 300+ EDR Tools

Threat actors associated with Qilin and Warlock ransomware operations have been observed using the bring your own vulnerable driver BYOVD technique to silence security tools running on compromised hosts, according to findings from Cisco Talos and Trend Micro. Qilin attacks analyzed by Talos have...

BKA Identifies REvil Leaders Behind 130 German Ransomware Attacks

Germany's Federal Criminal Police Office aka BKA or the Bundeskriminalamt has unmasked the real identities of two of the key figures associated with the now-defunct REvil aka Sodinokibi ransomware-as-a-service RaaS operation. One of the threat actors, who went by the alias UNKN , functioned as a...

$285 Million Drift Hack Traced to Six-Month DPRK Social Engineering Operation

Drift has revealed that the April 1, 2026, attack that led to the theft of $285 million was the culmination of a months-long targeted and meticulously planned social engineering operation undertaken by the Democratic People's Republic of Korea DPRK that began in the fall of 2025. The Solana-based...

36 Malicious npm Packages Exploited Redis, PostgreSQL to Deploy Persistent Implants

Cybersecurity researchers have discovered 36 malicious packages in the npm registry that are disguised as Strapi CMS plugins but come with different payloads to facilitate Redis and PostgreSQL exploitation, deploy reverse shells, harvest credentials, and drop a persistent implant. "Every package...

Fortinet Patches Actively Exploited CVE-2026-35616 in FortiClient EMS

Fortinet has released out-of-band patches for a critical security flaw impacting FortiClient EMS that it said has been exploited in the wild. The vulnerability, tracked as CVE-2026-35616 CVSS score: 9.1, has been described as a pre-authentication API access bypass leading to privilege escalation...

China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing

A China-aligned threat actor has set its sights on European government and diplomatic organizations since mid-2025, following a two-year period of minimal targeting in the region. The campaign has been attributed to TA416 , a cluster of activity that overlaps with DarkPeony, RedDelta, Red Lich,...

Microsoft Details Cookie-Controlled PHP Web Shells Persisting via Cron on Linux Servers

Threat actors are increasingly using HTTP cookies as a control channel for PHP-based web shells on Linux servers and to achieve remote code execution, according to findings from the Microsoft Defender Security Research Team. "Instead of exposing command execution through URL parameters or request...

UNC1069 Social Engineering of Axios Maintainer Led to npm Supply Chain Attack

The maintainer of the Axios npm package has confirmed that the supply chain compromise was the result of a highly-targeted social engineering campaign orchestrated by North Korean threat actors tracked as UNC1069. Maintainer Jason Saayman said the attackers tailored their social engineering effor...

Why Third-Party Risk Is the Biggest Gap in Your Clients' Security Posture

The next major breach hitting your clients probably won't come from inside their walls. It'll come through a vendor they trust, a SaaS tool their finance team signed up for, or a subcontractor nobody in IT knows about. That's the new attack surface, and most organizations are underprepared for it...

New SparkCat Variant in iOS, Android Apps Steals Crypto Wallet Recovery Phrase Images

Cybersecurity researchers have discovered a new version of the SparkCat malware on the Apple App Store and Google Play Store, more than a year after the trojan was discovered targeting both the mobile operating systems. The malware has been found to conceal itself within seemingly benign apps, su...

Drift Loses $285 Million in Durable Nonce Social Engineering Attack Linked to DPRK

Solana-based decentralized exchange Drift has confirmed that attackers drained about $285 million from the platform during a security incident that took place on April 1, 2026. "Earlier today, a malicious actor gained unauthorized access to Drift Protocol through a novel attack involving durable...

Hackers Exploit CVE-2025-55182 to Breach 766 Next.js Hosts, Steal Credentials

A large-scale credential harvesting operation has been observed exploiting the React2Shell vulnerability as an initial infection vector to steal database credentials, SSH private keys, Amazon Web Services AWS secrets, shell command history, Stripe API keys, and GitHub tokens at scale. Cisco Talos...

Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise

Cisco has released updates to address a critical security flaw in the Integrated Management Controller IMC that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system with elevated privileges. The vulnerability, tracked a...

ThreatsDay Bulletin: Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories

The latest ThreatsDay Bulletin is basically a cheat sheet for everything breaking on the internet right now. No corporate fluff or boring lectures here, just a quick and honest look at the messy reality of keeping systems safe this week. Things are moving fast. The list includes researchers...

Researchers Uncover Mining Operation Using ISO Lures to Spread RATs and Crypto Miners

A financially motivated operation codenamed REF1695 has been observed leveraging fake installers to deploy remote access trojans RATs and cryptocurrency miners since November 2023. "Beyond cryptomining, the threat actor monetizes infections through CPA Cost Per Action fraud, directing victims to...

The State of Trusted Open Source Report

In December 2025, we shared the first-ever The State of Trusted Open Source report, featuring insights from our product data and customer base on open source consumption across our catalog of container image projects, versions, images, language libraries, and builds. These insights shed light on...

WhatsApp Alerts 200 Users After Fake iOS App Installed Spyware; Italian Firm Faces Action

Meta-owned messaging platform WhatsApp said it alerted about 200 users who were tricked into installing a bogus version of its iOS app that was infected with spyware. According to reports from Italian newspaper La Repubblica and news agency ANSA, the vast majority of the targets are located in...

Apple Expands iOS 18.7.7 Update to More Devices to Block DarkSword Exploit

Apple on Wednesday expanded the availability of iOS 18.7.7 and iPadOS 18.7.7 to a broader range of devices to protect users from the risk posed by a recently disclosed exploit kit known as DarkSword. "We enabled the availability of iOS 18.7.7 for more devices on April 1, 2026, so users with...

CERT-UA Impersonation Campaign Spread AGEWHEEZE Malware to 1 Million Emails

The Computer Emergency Response Team of Ukraine CERT-UA has disclosed details of a new phishing campaign in which the cybersecurity agency itself was impersonated to distribute a remote administration tool known as AGEWHEEZE. As part of the attacks, the threat actors, tracked as UAC-0255 , sent...

Microsoft Warns of WhatsApp-Delivered VBS Malware Hijacking Windows via UAC Bypass

Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script VBS files. The activity, beginning in late February 2026, leverages these scripts to initiate a multi-stage infection chain for establishing persistence and enabling...

Block the Prompt, Not the Work: The End of "Doctor No"

There is a character that keeps appearing in enterprise security departments, and most CISOs know exactly who that is. It doesn’t build. It doesn’t enable. Its entire function is to say "No." No to ChatGPT. No to DeepSeek. No to the file-sharing tool the product team swears by. For years, this...

Casbaneiro Phishing Targets Latin America and Europe Using Dynamic PDF Lures

A multi-pronged phishing campaign is targeting Spanish-speaking users in organizations across Latin America and Europe to deliver Windows banking trojans like Casbaneiro aka Metamorfo via another malware called Horabot. The activity has been attributed to a Brazilian cybercrime threat actor track...

New Chrome Zero-Day CVE-2026-5281 Under Active Exploitation — Patch Released

Google on Thursday released security updates for its Chrome web browser to address 21 vulnerabilities, including a zero-day flaw that it said has been exploited in the wild. The high-severity vulnerability, CVE-2026-5281 CVSS score: N/A, concerns a use-after-free bug in Dawn, an open-source and...

3 Reasons Attackers Are Using Your Trusted Tools Against You (And Why You Don’t See It Coming)

For years, cybersecurity has followed a familiar model: block malware, stop the attack. Now, attackers are moving on to what’s next. Threat actors now use malware less frequently in favor of what’s already inside your environment, including abusing trusted tools, native binaries, and legitimate...

Google Attributes Axios npm Supply Chain Attack to North Korean Group UNC1069

Google has formally attributed the supply chain compromise of the popular Axios npm package to a financially motivated North Korean threat activity cluster tracked as UNC1069. "We have attributed the attack to a suspected North Korean threat actor we track as UNC1069," John Hultquist, chief analy...

Claude Code Source Leaked via npm Packaging Error, Anthropic Confirms

Anthropic on Tuesday confirmed that internal code for its popular artificial intelligence AI coding assistant, Claude Code, had been inadvertently released due to a human error. "No sensitive customer data or credentials were involved or exposed," an Anthropic spokesperson said in a statement...

Android Developer Verification Rollout Begins Ahead of September Enforcement

Google on Monday said it's officially rolling out Android developer verification to all developers to combat the problem of bad actors distributing harmful apps while "hiding behind anonymity." The development comes ahead of a planned verification mandate that goes into effect in Brazil, Indonesi...

TrueConf Zero-Day Exploited in Attacks on Southeast Asian Government Networks

A high-severity security flaw in the TrueConf client video conferencing software has been exploited in the wild as a zero-day as part of a campaign targeting government entities in Southeast Asia dubbed TrueChaos. The vulnerability in question is CVE-2026-3502 CVSS score: 7.8, a lack of integrity...

Vertex AI Vulnerability Exposes Google Cloud Data and Private Artifacts

Cybersecurity researchers have disclosed a security "blind spot" in Google Cloud's Vertex AI platform that could allow artificial intelligence AI agents to be weaponized by an attacker to gain unauthorized access to sensitive data and compromise an organization's cloud environment. According to...

The AI Arms Race – Why Unified Exposure Management Is Becoming a Boardroom Priority

The cybersecurity landscape is accelerating at an unprecedented rate. What is emerging is not simply a rise in the number of vulnerabilities or tools, but a dramatic increase in speed. Speed of attack, speed of exploitation, and speed of change across modern environments. This is the defining...

Silver Fox Expands Asia Cyber Campaign with AtlasCross RAT and Fake Domains

Chinese-speaking users are the target of an active campaign that uses typosquatted domains impersonating trusted software brands to deliver a previously undocumented remote access trojan named AtlasCross RAT. "The operation covers VPN clients, encrypted messengers, video conferencing tools,...

Axios Supply Chain Attack Pushes Cross-Platform RAT via Compromised npm Account

The popular HTTP client known as Axios has suffered a supply chain attack after two newly published versions of the npm package introduced a malicious dependency that delivers a trojan capable of targeting Windows, macOS, and Linux systems. Versions 1.14.1 and 0.30.4 of Axios have been found to...

OpenAI Patches ChatGPT Data Exfiltration Flaw and Codex GitHub Token Vulnerability

A previously unknown vulnerability in OpenAI ChatGPT allowed sensitive conversation data to be exfiltrated without user knowledge or consent, according to new findings from Check Point. "A single malicious prompt could turn an otherwise ordinary conversation into a covert exfiltration channel,...

DeepLoad Malware Uses ClickFix and WMI Persistence to Steal Browser Credentials

A new campaign has leveraged the ClickFix social engineering tactic as a way to distribute a previously undocumented malware loader referred to as DeepLoad. "It likely uses AI-assisted obfuscation and process injection to evade static scanning, while credential theft starts immediately and captur...

⚡ Weekly Recap: Telecom Sleeper Cells, LLM Jailbreaks, Apple Forces U.K. Age Checks and More

Some weeks are loud. This one was quieter but not in a good way. Long-running operations are finally hitting courtrooms, old attack methods are showing up in new places, and research that stopped being theoretical right around the time defenders stopped paying attention. There's a bit of everythi...

3 SOC Process Fixes That Unlock Tier 1 Productivity

What is really slowing Tier 1 down: the threat itself or the process around it? In many SOCs, the biggest delays do not come from the threat alone. They come from fragmented workflows, manual triage steps, and limited visibility early in the investigation. Fixing those process gaps can help Tier ...

Russian CTRL Toolkit Delivered via Malicious LNK Files Hijacks RDP via FRP Tunnels

Cybersecurity researchers have discovered a remote access toolkit of Russian-origin that's distributed via malicious Windows shortcut LNK files that are disguised as private key folders. The CTRL toolkit, according to Censys, is custom-built using .NET and includes various executables" to...

The State of Secrets Sprawl 2026: 9 Takeaways for CISOs

Secrets sprawl isn't slowing down: in 2025, it accelerated faster than most security teams anticipated.GitGuardian's State of Secrets Sprawl 2026 report analyzed billions of commits across public GitHub and uncovered 29 million new hardcoded secrets in 2025 alone, a 34% increase year over year an...

Three China-Linked Clusters Target Southeast Asian Government in 2025 Cyber Campaign

Three threat activity clusters aligned with China have targeted a government organization in Southeast Asia as part of what has been described as a "complex and well-resourced operation." The campaigns have led to the deployment of various malware families, including HIUPAN aka USBFect, MISTCLOAK...

Iran-Linked Hackers Breach FBI Director’s Personal Email, Hit Stryker With Wiper Attack

Threat actors with ties to Iran successfully broke into the personal email account of Kash Patel, the director of the U.S. Federal Bureau of Investigation FBI, and leaked a cache of photos and other documents to the internet. Handala Hack Team, which carried out the breach, said on its website th...

Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug

A recently disclosed critical security flaw impacting Citrix NetScaler ADC and NetScaler Gateway is witnessing active reconnaissance activity, according to Defused Cyber and watchTowr. The vulnerability, CVE-2026-3055 CVSS score: 9.3, refers to a case of insufficient input validation leading to...

TA446 Deploys DarkSword iOS Exploit Kit in Targeted Spear-Phishing Campaign

Proofpoint has disclosed details of a targeted email campaign in which threat actors with ties to Russia are leveraging the recently disclosed DarkSword exploit kit to target iOS devices. The activity has been attributed with high confidence to the Russian state-sponsored threat group known as...

CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager APM to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2025-53521 CVSS v4...