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Nearly 4,000 US industrial devices exposed to Iranian cyberattacks

The attack surface targeted by Iranian-linked hackers in cyberattacks against U.S. critical infrastructure networks includes thousands of Internet-exposed programmable logic controllers (PLCs) manufactured by Rockwell Automation.

According to a joint advisory issued by multiple U.S. federal agencies on Tuesday, Iranian state-backed hacking groups have been targeting Rockwell Automation/Allen-Bradley PLC devices since March 2026, causing operational disruptions and financial losses.

“Iranian-affiliated APT targeting campaigns against U.S. organizations have recently escalated, likely in response to hostilities between Iran, and the United States and Israel,” the authoring agencies warned.

New ‘LucidRook’ malware used in targeted attacks on NGOs, universities

A new Lua-based malware, called LucidRook, is being used in spear-phishing campaigns targeting non-governmental organizations and universities in Taiwan.

Cisco Talos researchers attribute the malware to a threat group tracked internally as UAT-10362, who they describe as a capable adversary “with mature operational tradecraft.”

LucidRook was observed in attacks in October 2025 that relied on phishing emails carrying password-protected archives.

New VENOM phishing attacks steal senior executives’ Microsoft logins

Threat actors using a previously undocumented phishing-as-a-service (PhaaS) platform called “VENOM” are targeting credentials of C-suite executives across multiple industries.

The operation has been active since at least last November and appears to target specific individuals who serve as CEOs, CFOs, or VPs at their companies.

VENOM also seems to be closed access, as it has not been promoted on public channels and underground forums, thus reducing its exposure to researchers.

Google Chrome adds infostealer protection against session cookie theft

Google has rolled out Device Bound Session Credentials (DBSC) protection in Chrome 146 for Windows, designed to block info-stealing malware from harvesting session cookies.

MacOS users will benefit from this security feature in a future Chrome release that has yet to be announced.

The new protection has been announced in 2024, and it works by cryptographically linking a user’s session to their specific hardware, such as a computer’s security chip — the Trusted Platform Module (TPM) on Windows and the Secure Enclave on macOS.

New macOS stealer campaign uses Script Editor in ClickFix attack

A new campaign delivering the Atomic Stealer malware to macOS users abuses the Script Editor in a variation of the ClickFix attack that tricked users into executing commands in Terminal.

Script Editor is a built-in macOS application for writing and running scripts, primarily AppleScript and JXA, that can execute local scripts and shell commands. It is a trusted application pre-installed on macOS systems.

While this is not the first time it has been abused for malware delivery, the researchers note that, in the context of the ClickFix social engineering technique, it does not require the victim to manually interact with the Terminal and execute commands.

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