APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

APT33

🇮🇷Iran-attributed
1
campaigns
3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

[APT33](https://attack.mitre.org/groups/G0064) is a suspected Iranian threat group that has carried out operations since at least 2013. The group has targeted organizations across multiple industries in the United States, Saudi Arabia, and South Korea, with a particular interest in the aviation and energy sectors.(Citation: FireEye APT33 Sept 2017)(Citation: FireEye APT33 Webinar Sept 2017)

Threat Analysis

APT33 is a advanced-sophistication threat actor attributed to Iran, engaged in cyber operations with a primary motivation of espionage.

The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.

Classified as an advanced threat actor, APT33 likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.

Known Campaigns

APT33 — Active Operations March 2026

APT33 is a espionage threat actor attributed to Iran. Our analysis reveals that APT33 is a capable group that has carried out cyber espionage operations since at least 2013. We assess APT33 works at the behest of the Iranian government....

ACTIVEHIGH2026

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Origin🇮🇷 Iran
Aliases3
SourceMalpedia

Also Known As

HOLMIUMElfinPeach Sandstorm

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.