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Iran’s Cyber Playbook Shifts From Loud Attacks to Patient, Long-Term Access

23 July 2026  |  dark6  |  Cybercrime

A new SentinelOne assessment finds Iran-linked hacking groups increasingly favor quiet, persistent access over destructive attacks, planting footholds in cloud accounts, IT suppliers, and industrial systems that could...

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HOLLOWGRAPH Malware Turns Microsoft 365 Calendars Into a Covert Spy Channel

21 July 2026  |  dark6  |  Malware

Group-IB has uncovered HOLLOWGRAPH, a stealthy malware component that hides its command-and-control traffic inside Microsoft 365 calendar invites dated decades in the future. The tool shows technical overlap...

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Cavern Manticore: Iranian-Linked APT Abuses SysAid RMM and DLL Sideloading to Deploy Modular C2 Framework

7 July 2026  |  dark6  |  Malware

A newly identified Iranian-linked group, Cavern Manticore, is abusing the SysAid RMM platform and DLL sideloading via WinDirStat to deploy a modular C2 framework against Israeli organizations. Check...

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CyberAv3ngers: Iran-Linked IRGC Hackers Target Rockwell PLCs Across U.S. Critical Infrastructure

19 April 2026  |  dark6  |  Malware

A joint CISA advisory warns that Iran-linked CyberAv3ngers (IRGC-CEC) are actively exploiting internet-exposed Rockwell Automation PLCs across U.S. water, energy, and government sectors. Over 5,200 devices are publicly...

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MuddyWater-Linked APT Campaign Scanned 12,000+ Systems Before Striking Middle East Critical Infrastructure

16 April 2026  |  dark6  |  Malware

Iran-linked threat group MuddyWater is behind a sophisticated espionage campaign that scanned over 12,000 systems in the Middle East before stealing passport records and payroll data from an...

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SpearSpecter: Iran’s Patient, multi-layered targeting campaign

17 November 2025  |  dark6  |  Spyware

The cybersecurity landscape is increasingly characterized by sophistication, and the ongoing SpearSpecter campaign represents a particularly concerning evolution in state-sponsored espionage. This isn’t a blunt instrument of brute-force...

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Unveiling UNC1860: Iran’s stealthy cyber threat

20 September 2024  |  dark6  |  Malware

In the ever-evolving cybersecurity landscape, state-sponsored threat actors continue to pose significant risks to organizations worldwide. Among them is UNC1860, an Iranian-based cyber espionage group recently exposed by...

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Escalating iranian cyber influence operations ahead of the 2024 US elections

11 August 2024  |  dark6  |  Spyware

As the 2024 US presidential election looms, the Microsoft Threat Analysis Center (MTAC) has unveiled an alarming uptick in cyber-enabled influence operations orchestrated by Iranian actors, marking a...

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