FBI Warns Russian Intelligence Hackers Target Signal Backup Recovery Keys

The FBI and CISA have updated their March warning about Russian intelligence phishing Signal accounts, and the operators have added a step: they now coax targets into handing over their Signal Backup Recovery Key. Hand it over once, and the attacker can restore the account's backup, read the...

New SharkLoader Malware Deploys Cobalt Strike in StrikeShark Cyberattacks

A newly discovered cyber attack campaign has been observed delivering a previously undocumented malware family called SharkLoader that acts as a loader for deploying Cobalt Strike Beacon on compromised hosts. Kaspersky, which is tracking the activity under the moniker StrikeShark , said the...

Chinese-Speaking APT Deploys New TinyRCT Backdoor in Southeast Asia Campaign

A Chinese-speaking advanced persistent threat APT actor has been linked to a new custom backdoor called TinyRCT as part of cyber attacks aimed at government entities and critical infrastructure in Southeast Asia. The activity, particularly aimed at state-owned enterprises in the energy and...

New Linux pedit COW Exploit Enables Root Access by Poisoning Cached Binaries

A flaw in the Linux kernel's traffic-control subsystem can let a local unprivileged user gain root on affected systems. CVE-2026-46331, nicknamed "pedit COW ," is an out-of-bounds write in the packet-editing action actpedit that corrupts shared page-cache memory. A public, working exploit appeare...

Amazon Q Developer Flaw Could Let Malicious Repos Run Code via MCP Configs

A high-severity flaw in Amazon Q Developer let a malicious repository run commands and steal a developer's cloud credentials. The path was short: a developer opens the repo, trusts the workspace, and Amazon Q does the rest. Amazon has patched it. Tracked as CVE-2026-12957 CVSS 8.5, the bug sat in...

CISA Adds Exploited PTC Windchill RCE Flaw to KEV as Web Shell Attacks Continue

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management PDM and Product Lifecycle Management PLM software to its Known Exploited Vulnerabiliti...

New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets

DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant. Tracked as CVE-2026-43503 CVSS 8.8, it lets a local user corrupt file-backed...

Guardian Agents: The Next Layer of Identity Governance

AI agents are moving through enterprise environments, inheriting permissions, traversing systems, and executing decisions at machine speed with minimal oversight. The identity infrastructure built to govern human access wasn't designed for autonomous actors, and the gap between what enterprises a...

Miasma Malware Targets npm Packages and GitHub Actions in Supply Chain Attack

Cybersecurity researchers have flagged yet another evolution of the supply chain attack linked to the Mini Shai-Hulud, Miasma, and Hades malware family that has compromised a new set of npm packages, even as it has propagated to the Go ecosystem. "The latest activity includes malicious npm releas...

Microsoft Warns of Photo ZIP Phishing Campaign Targeting Hotels with Node.js Implant

An active phishing campaign has been targeting hotel and other hospitality organizations across Europe and Asia since April 2026, using photo-themed ZIP files to drop a Node.js implant and dig into front-desk machines, Microsoft says. The company has not attributed the activity to a known threat...

Russia Used Cellebrite on Jailed Activist's iPhone Months After Sales Cutoff

Russian authorities used Cellebrite's UFED forensic tools to break into the iPhone of detained opposition activist Andrey Pivovarov in June 2021, three months after Cellebrite said it would stop selling its tools and services to Russia and Belarus. The finding, published June 25 by the Citizen La...

Google Details Turla's New STOCKSTAY Backdoor Used in Ukraine Espionage Attacks

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy. Describing the...

Chrome Ad Blocker with 10M+ Installs Found with Dormant Script Injection Capability

An analysis of a popular Google Chrome ad block extension for YouTube has uncovered the ability to execute arbitrary JavaScript code. According to Island, the extension, named Adblock for YouTube ID: cmedhionkhpnakcndndgjdbohmhepckk, has more than 10 million installs and carries a Featured badge ...

ThreatsDay Bulletin: Smart TV Proxyware, 24-Year curl Bug, AI Crime Forums + 13 More Stories

It’s dumb out there again. This week has the usual smell of prod on fire and nobody wanting to admit who left the door open — old creds still working, trusted apps doing sketchy crap, browser tricks jumping the fence, and “normal” workflows turning into phishing pipes because apparently email was...

Surviving the Mythos Era: Richard Bejtlich on the Case for NDR

Despite the abundance of telemetry at analysts’ disposal, many security operations teams struggle to answer a few basic questions during incident investigation: What happened? What evidence do we have? How do we know we’re seeing it all, in context? Answering these questions requires teams to go...

New Gaslight macOS Malware Uses Prompt Injection to Disrupt AI-Assisted Analysis

A previously undocumented Rust-based macOS implant and information stealer has been found to embed a prompt injection payload designed to trick a malware analyst's artificial intelligence AI tools and trick it into aborting or refusing an analysis of the artifact. The malware has been codenamed...

New Mistic Backdoor Linked to KongTuke in ClickFix and ModeloRAT Campaigns

A new, stealthy backdoor named Mistic has been deployed as part of suspected financially motivated attacks aimed at multiple organizations spanning insurance, education, IT, and professional services sectors since April 2026. According to Symantec and Carbon Black's Threat Hunter Team, the...

Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant. The vulnerability, tracked as CVE-2026-20245 CVSS score: 7.8...

CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Tuesday warned of active exploitation of a critical security flaw impacting Lantronix EDS5000 Series devices, urging Federal Civilian Executive Branch FCEB agencies to apply the fixes by June 26, 2026. The vulnerability in question...

Amadey and StealC Malware Network Disrupted, 27M Stolen Credentials Recovered

A coordinated law enforcement operation, in partnership with private sector companies, including Bitdefender, Bitsight, ESET, and Microsoft, has resulted in the takedown of criminal infrastructure powering Amadey and StealC. "The main common goal was to disrupt the 'assembly lines' cybercriminals...

Cordyceps CI/CD Flaws Expose 300+ GitHub Repositories to Supply-Chain Attacks

Cybersecurity researchers have flagged a new class of CI/CD workflow weakness that allows attackers to hijack workflows and compromise open-source supply chains. The "critical exploitable pattern" has been codenamed Cordyceps by Novee Security. The issue can allow full attacker control of...

Dawn of the Apex Agentic Adversary

We are standing at the end of an era we never thought to mourn: the era of human-speed threats. For years, cybersecurity moved to a rhythm organizations could follow. A researcher found a bug, a CVE was cataloged, a vendor navigated a patch cycle, and weeks or even months later, a fix was deploye...

DoJ Seizes Huione Cloud Account Tied to Cyber Scam Money Laundering

The U.S. Department of Justice DoJ on Tuesday announced the seizure of a cloud computing account put to use by subsidiaries of Cambodia-based corporate conglomerate HuiOne Group, as the Treasury unveiled fresh sanctions against nine individuals and 26 entities linked to Prince Group. "These...

Cisco Unified CM Flaw Exploited After PoC Reveals File-Write Path to Root

Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager Unified CM and Unified Communications Manager Session Management Edition Unified CM SME. The vulnerability, tracked as CVE-2026-20230 CVSS score: 8.6, is a case of improp...

FortiBleed Targeted FortiGate Firewalls in 110 Million-Credential Harvesting Operation

A Russian-speaking initial access broker IAB driven by financial gain is assessed to be behind a large-scale credential-harvesting operation known as FortiBleed that has targeted over 430,000 FortiGate firewalls globally. The campaign, active since February 2026, involves collecting credential...

Trump Order Sets 2030 Deadline for Federal Post-Quantum Crypto Migration

President Trump signed an executive order on June 22 setting hard deadlines for federal agencies to move high-value assets and high-impact systems to post-quantum cryptography. Key establishment must move by December 31, 2030; digital signatures by December 31, 2031. EO 14409 leaves national...

Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents

Security firm AIR built a fake AI agent skill, pushed it through a popular skill marketplace and an Instagram ad, and says it reached roughly 26,000 agents, including some on corporate accounts. Every skill security scanner the firm tested it against marked it safe. The payload was harmless by...

GitHub Updates actions/checkout to Block Common Pwn Request Attack Patterns

GitHub is moving to strengthen software supply chain security by updating "actions/checkout" to block pwn request attacks that exploit the risky use of the "pullrequesttarget workflow" trigger to run malicious code with the workflow's full privileges. Effective June 18, 2026, the latest version o...

Agentic AI: The Weapon That No Longer Needs a Warrior

Every weapon begins as an extension of the hand that holds it. The spear lengthened the reach of the arm. The bow sent the point flying without the throw. The rifle placed a man's death a quarter mile beyond his sight, and the aircraft carried that death across oceans. At each turn, the distance...

Malicious npm Packages Pose as PostCSS Tools to Deliver Windows RAT

Cybersecurity researchers have discovered a set of malicious npm packages that are designed to deliver a Windows-based remote access trojan RAT. The list of identified packages, is below - aes-decode-runner-pro 145 downloads postcss-minify-selector 256 downloads postcss-minify-selector-parser 615...

WhatsApp VBScript Campaign Uses Fake Documents to Install ManageEngine RMM Tool

Direct messages sent via WhatsApp are being used to distribute malicious Visual Basic Script VBScript files that lead to the installation of legitimate Remote Monitoring and Management RMM software. Per findings from Kaspersky, the active campaign is targeting users of WhatsApp Desktop and WhatsA...

OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

OpenAI on Monday said it's releasing an improved version of its GPT‑5.5‑Cyber model to trusted defenders as part of the Daybreak initiative the artificial intelligence AI company announced last month. Calling GPT‑5.5‑Cyber its "strongest model yet for finding and helping patch software...

ShapedPlugin WordPress Pro Plugins Backdoored in Supply Chain Attack

Multiple WordPress plugins from ShapedPlugin were compromised in a supply chain attack after unknown threat actors managed to tamper with the official release channels and push backdoor code. "Attackers compromised the vendor's build and distribution pipeline, injecting backdoor code into Pro...

29-Year-Old Squid Proxy Bug 'Squidbleed' Can Leak Cleartext HTTP Requests

A heap over-read in the Squid web proxy can leak another user's cleartext HTTP request, including any credentials or session tokens it carries, to anyone already allowed to send traffic through the same proxy. The bug traces to a 1997 FTP-parsing change and is still live in Squid's default...

Researchers Detail DifyTap Flaws in Dify That Could Expose AI Chats Across Tenants

Cybersecurity researchers have disclosed details of four vulnerabilities in Dify, an open-source agentic workflow platform with more than 146,000 GitHub stars, that could allow attackers to stealthily read artificial intelligence AI conversions from other customers' applications without requiring...

New OXLOADER Loader Uses Malicious Google Ads to Deliver CastleStealer

Cybersecurity researchers have disclosed details of a new campaign that delivers CastleStealer by means of a previously unreported malware loader dubbed OXLOADER. According to Elastic Security Labs, the campaign leverages malicious Google Ads as a starting point to distribute the malware. Evidenc...

Google Sets Sept. 30 Deadline for Android Developer Verification in Four Countries

Google has set September 30, 2026, as the day it begins enforcing Android developer verification in the first four countries, and the major device-maker app stores are in from the start. On that date, certified Android phones in Brazil, Indonesia, Singapore, and Thailand will block normal install...

Stop Your Legacy Infrastructure from Hijacking Your AI Agents

Earlier this month, I spoke at the Gartner Security & Risk Management Summit about a blind spot most security programs are still not accounting for - how attackers are circumventing AI security programs by using legacy infrastructure to hijack AI agents. AI adoption is moving faster than security...

⚡ Weekly Recap: Browser Bugs, EDR Killers, TV Botnet, OpenBSD Flaw, Android Trojan, and More

It’s Monday again. This week’s threat list looks painfully familiar: abused integrations, fake tools, poisoned websites, ransomware crews trying to shut down security tools, and mobile malware asking for way too much control. The annoying part is how little of this feels new. Weak credentials,...

Canada’s Spy Agency Used First-of-Its-Kind Warrant to Clean Botnet-Infected Devices

Canada's spy service got a judge's permission to reach into infected servers, home routers, and IoT gear sitting on Canadian soil and neutralize two foreign-run botnets. The Federal Court released a public version of the ruling on June 15. It is the first time the Canadian Security Intelligence...

AryStinger Malware Infects 4,300 Legacy Routers to Build Reconnaissance Proxy Network

A new malware family is turning forgotten home routers into a distributed reconnaissance and proxy network, not the DDoS botnet these devices usually end up in. QiAnXin's XLab calls it AryStinger and counts at least 4,300 infected routers, a total it says is still rising. The distinction matters...

INTERPOL Warns Phishing, Ransomware, and AI Scams Are Rising Across Asia-Pacific

A new report from INTERPOL has revealed a "dramatic increase" in cybercrime in Asia and the South Pacific, fueled by rapid digitalization, internet penetration, new technologies, organized criminal networks, and a disparity in cybersecurity maturity. According to INTERPOL's 2025/2026 Asia and Sou...

Hackers Exploit Gravity SMTP WordPress Plugin Bug to Expose API Keys

Threat actors are exploiting a recently patched security flaw impacting Gravity SMTP, a WordPress plugin that's installed on about 100,000 sites. The vulnerability, tracked as CVE-2026-4020 CVSS score: 5.3, is a medium-severity information disclosure flaw that can allow unauthenticated attackers ...

Unpatchable 'usbliter8' Exploit Breaks Apple A12 and A13 SecureROM Boot Chain

Security researchers at Paradigm Shift have published a working exploit, dubbed usbliter8 , that achieves arbitrary code execution inside the SecureROM of Apple's A12 and A13 chips. That code is burned into the silicon at manufacture. No software update can reach it. Affected devices will carry...

The Gentlemen RaaS Uses GentleKiller EDR Framework Targeting 400 Security Processes

The Gentlemen ransomware-as-a-service RaaS operation is actively developing and maintaining a suite of endpoint detection and response EDR killers that it hands out to affiliates for impairing system defenses before deploying the encryptor. This mature portfolio of EDR-terminating tools is center...

AutoJack Attack Lets One Web Page Hijack AI Agent for Host Code Execution

Microsoft researchers have detailed an exploit chain, named AutoJack, that turns an AI browsing agent into a delivery vehicle for remote code execution. Steer the agent to load an attacker's web page, and that page's JavaScript can reach a privileged local service on the same machine and spawn a...

Operation Endgame Disrupts SocGholish Servers, Cleans 14,971 WordPress Sites

Dutch law enforcement authorities, along with counterparts from Canada , Germany, and the U.S., have disrupted malicious infrastructure associated with SocGholish and cleaned up nearly 15,000 infected WordPress websites. "With these actions we deprive cybercriminals of access to infected computer...

CISA Warns Fortinet Customers as FortiBleed Hits 86,644 FortiGate Devices

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday urged Fortinet customers with FortiGate appliances to take steps to secure against ongoing malicious activity aimed at thousands of internet-accessible devices. The sweeping campaign, believed to be the work of...

From Assistive to Agentic: The AI Shift That's Redefining Threat Management

Introduction The average enterprise security team has 40 or more security tools, giving a lot of visibility into internal telemetry and asset data. But often, these tools are working in siloes, generating overlapping alerts and data. And yet, breach dwell times remain stubbornly long 43 days,...

Forget Data Leakage: Shadow AI's Real Threat Is Access Control

The first wave of enterprise AI concern was straightforward. It was simply employees pasting sensitive data into public AI tools. Security teams responded with usage policies, domain blocks, and data loss prevention rules. That response made sense at the time. It doesn't fit the problem anymore...