Microsoft has found a malicious Chrome extension that posed as the AI search engine Perplexity and quietly logged what people searched for. It routed every query and every character typed into the address bar through an attacker-controlled server before redirecting users to real results. Microsoft says Google removed it from the store after responsible disclosure. The extension was called "

WhatsApp on Monday officially announced the start of global reservations of usernames with an aim to protect the privacy of more than three billion users on the messaging platform. The optional feature is designed to help users connect with someone on the service through usernames, as opposed to directly sharing their phone numbers. Username reservations will start rolling out starting today,

The China-aligned espionage group Mustang Panda is running two campaigns against the Indian government and hydropower targets, deploying new malware and turning a legitimate cloud service into its command channel. Acronis Threat Research Unit found active compromises inside Indian government networks, including machines used by senior administrative staff, and worked with

This week was a reminder that attackers do not always need big tricks. One small mistake, one old access path, one missed patch, and suddenly the door is open. The noise is not all noise, either. Forums are talking, researchers are finding easy cracks, and defenders have more cleanup waiting. Here’s the full Monday recap. ⚡ Threat of the Week New DirtyClone Linux Kernel Flaw Lets Local

New findings unearthed by Infoblox show that more than 236,000 websites are using investment scam templates built using a legitimate Chinese open-source, cross-platform application development framework called DCloud Uni-App. The templates power bogus cryptocurrency exchanges, multi-language pig-butchering operations, WhatsApp phishing networks, fake gambling platforms, brand-impersonation

Today’s encrypted data, such as credentials, may no longer remain confidential in the future because the public-key cryptography protecting it will soon be broken by quantum computers. Although no machine today can break elliptic curve cryptography or RSA, quantum hardware is advancing rapidly and will inevitably change how organizations protect their data. Ciphertext and credentials captured by

A Russian advanced persistent threat (APT) group has continued to evolve and expand its malware arsenal as part of its ongoing cyber onslaught against Ukraine throughout 2025. Slovakian cybersecurity company ESET said it observed 35 distinct spear-phishing campaigns mounted by Gamaredon against new targets, with most of them taking place in the second half of the year. Primary targets of these

Microsoft has shut down a long-running malicious extension operation on the Edge Add-ons store that hid its payloads inside ordinary image and font files, then woke up days after install to steal credentials and run ad fraud. The company calls it StegoAd, a mash-up of steganography and adware, and ties 119 extensions to a single threat actor it says has been active since at least 2021.

A public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code execution. No credentials, no user interaction. The bug affects every release up to and including 1.11.1 and carries a CVSS 4.0 score of 9.2. libssh2 is a client-side SSH library, not a server.

Cybersecurity researchers have uncovered two hijacked npm packages and a cluster of Go packages that are designed to deploy a Python-based information stealer on compromised Windows, Linux, and macOS hosts. "This attack avoids the most common npm execution paths through lifecycle scripts, perhaps in an attempt to remain 'compatible' with npm v12's security hardenings," JFrog said in a

The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in Ukraine, Europe, and the U.S. The systematic cyber attacks aimed at stealing sensitive

OpenAI on Friday released three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to a small number of companies as part of an ongoing engagement with the U.S. government. While Sol is the latest flagship model and the most powerful, Terra strikes a balance between efficiency and power, and Luna is fine-tuned for speed and affordability. "GPT‑5.6 Sol launches with our most

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 private and group message history, and take over the account. Worse, the key keeps working.

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 campaign has targeted a diplomatic organization in Indonesia, government organizations in Taiwan,

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 government sectors, has been attributed to a threat actor called CL-STA-1062, which Palo Alto Networks

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 how Amazon's AI coding assistant handled Model Context Protocol (MCP) servers. Wiz

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 (act_pedit) that corrupts shared page-cache memory. A public, working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as

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 Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is

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 memory through a cloned network packet and gain root. The patch landed in

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 are deploying and what their governance programs actually cover is widening fast. This guide breaks

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 releases affecting LeoPlatform and RStreams packages, GitHub Actions workflow abuse, and a related Go

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 actor, and the operators' end goal is still unclear. The lure plays to how hotels work.

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 Lab, rests on two things that rarely line up: traces on the phone itself and an official Russian

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 Windows backdoor as continually developed by the hacking group, Google Threat Intelligence Group (

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 on the Chrome Web Store. The extension description states that it allows users to prevent web

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 not enough hell already. The worst part is how cheap some of it feels. Not elite. Not cinematic.

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 beyond alerts, the most common basis for initial triage. But investigations (and their outcomes)

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 Gaslight owing to this deceptive behavior. It's been assessed with high confidence that the tool is

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 backdoor, also tracked as MLTBackdoor, is said to be linked to an initial access broker (IAB) named

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), allows an authenticated, local attacker to execute arbitrary commands with elevated privileges