Iran-based Cyber Actors Enabling Ransomware Attacks on US Organizations


The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Department of Defense Cyber Crime Center (DC3) are releasing this joint Cybersecurity Advisory (CSA) to warn network defenders that, as of August 2024, a group of Iran-based cyber actors continues to exploit U.S. and foreign organizations.

This includes organizations across several sectors in the U.S. (including in the education, finance, healthcare, and defense sectors as well as local government entities) and other countries (including in Israel, Azerbaijan, and the United Arab Emirates). The FBI assesses a significant percentage of these threat actors’ operations against US organizations are intended to obtain and develop network access to then collaborate with ransomware affiliate actors to deploy ransomware.

Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division


Sign up for our Newsletter


Related:

  • Industrial robots targeted by malware, which could open them up to hacking

    May 25, 2026

    A critical command injection vulnerability has been discovered in Universal Robots PolyScope 5, the operating system whucg powers the company’s collaborative robots. The flaw, tracked as CVE-2026-8153, carries a CVSS score of 9.8 and affects all software versions prior to PolyScope 5.25.1. This vulnerability could lead to complete compromise of the robot controller, affecting the confidentiality, integrity, and availability ...

  • Another major Linux security flaw revealed — nine-year old issue could spell disaster for users

    May 23, 2026

    Security researchers Qualys discovered a major flaw in the Linux operating system (OS) that could let any ordinary user, or malicious actor, gain full admin access on vulnerable endpoints. This bug lingered in Linux systems since 2016, and affects the default installations of several major distributions, including Red Hat, SUSE, Debian, Fedora, AlmaLinux, CloudLinux, and others. Read more… Source:  TechRadar News Sign up ...

  • Cloud Atlas activity in the second half of 2025 and early 2026: new tools and a new payload

    May 22, 2026

    In 2025, Kaspersky observed pervasive SSH tunnel activity, which has remained active into 2026, affecting many government organizations and commercial companies in Russia and Belarus. Behind some of this activity is Cloud Atlas, a group which was known  to Kaspersky researchers since 2014. During the investigation, the researches identified new tools used by this group, as ...

  • ROADtools and Nation-State Tactics in the Cloud

    May 22, 2026

    ROADtools is a publicly available toolkit for offensive and defensive security purposes that attackers have integrated into cloud attacks. The tool is designed to: Enumerate Entra ID Register devices in Entra ID Acquire, exchange and manipulate Microsoft Entra ID tokens ROADtools is an open-source framework written in Python and built for red-teaming and research. It primarily targets the identity and ...

  • Tracking Iranian APT Screening Serpens’ 2026 Espionage Campaigns

    May 22, 2026

    Unit 42 researchers have observed evidence of cyberattacks by the Iran-nexus advanced persistent threat (APT) group Screening Serpens (aka UNC1549, Smoke Sandstorm and Iranian Dream Job). Based on Unite 42 visibility, researchers believe that the group targeted entities in the U.S., Israel and the United Arab Emirates, and likely two additional Middle Eastern entities. This research follows ...

  • Kali365 Phishing-as-a-Service Kit Hijacks Microsoft 365 Access Tokens

    May 21, 2026

    The Federal Bureau of Investigation (FBI) is issuing this Public Service Announcement (PSA) to warn the public about an emerging Phishing1-as-a-Service2 (PhaaS) platform called Kali365, first seen in April 2026. Kali365 has primarily been distributed via Telegram, enabling cyber threat actors to obtain Microsoft 365 access tokens and bypass multi-factor authentication3 (MFA) protocols without intercepting the user’s ...