AI-Powered Espionage Campaign Targets Government Linux Infrastructure

Unit 42 identified a campaign targeting government entities and state-affiliated infrastructure, with observed activity spanning from October 2025–April 2026. We track this activity as CL-UNK-1211. In the operations we witnessed, the attackers relied on AI-generated payloads. Multiple artifacts deployed throughout Read More …

Governments are hacking people with ‘zero-click’ spyware by showing them online ads

Security researchers at digital rights unit The Citizen Lab say government spyware makers are abusing global advertising networks to target and hack devices by serving malicious online adverts. A new report published Thursday by the University of Toronto lab, which Read More …

The hidden network: Inside the phishing infrastructure ecosystem powering global cybercrime

Over the past year, Microsoft uncovered a Chinese-language cybercriminal ecosystem, an interconnected network of phishing kit operators, developers, and an illicit marketplace selling tools and infrastructure for large-scale phishing, enabling cybercriminal operations worldwide. Threat actors purchased and used these tools Read More …

Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant

Unit 42 investigated a multi-stage network intrusion against a telecommunications organization that occurred in September 2024, which we are tracking as cluster CL-STA-0954 (aka UNC5820). The attackers behind CL-STA-0954 achieved an initial compromise by exploiting CVE-2024-47575 against a centralized FortiManager Read More …

Citrix gives NetScaler admins another critical reason to patch

Citrix is urging customers to patch another critical NetScaler vulnerability after weeks of disclosures involving actively exploited flaws. CVE-2026-107406 affects NetScaler ADC and NetScaler Gateway and can lead to remote code execution (RCE) or denial of service (DoS). It carries Read More …

Shai-Hulud worm makes jump to AI infrastructure with Tensorlake compromise

The credential-hijacking Shai-Hulud worm has struck again, this time burrowing its way into a popular AI agent platform SDK. Multiple security researchers reported Thursday that they had detected Shai-Hulud infection in a recent release of the npm package for version Read More …

Attackers hijack country-code domains to impersonate Google and other services

According to Google, attackers compromised infrastructure behind three country-code domain namespaces—.gh (Ghana), .sl (Sierra Leone), and .as (American Samoa)—and used it to obtain unauthorized HTTPS certificates for Google domains and other organizations. These domain endings aren’t limited to sites serving Read More …

Update Chrome and ChromeOS to fix critical security issues

Google has released updates for the Chrome browser and the ChromeOS operating system. On October 6, Google released a Stable Channel Update for Desktop. This is the most important one for desktop users. It brings Chrome to version 155.0.8059.39 for Linux and versions 154.0.8037.39/.40 Read More …

Blinder Tunnel Campaign Targets Iraqi Infrastructure

Palo Alto Unit 42 discovered that an Iranian state-aligned threat actor has been masquerading as the Dubai Airports IT department to deliver trojanized coding challenges to high-value targets. Unit 42 tracks the activity as CL-STA-1178. This activity includes a campaign Read More …