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DEV-0270 is a Microsoft-tracked Iranian threat actor assessed to be a subgroup associated with Phosphorus. The actor has been linked to intrusions against U.S. organizations that culminated in ransomware deployment and is notable for blending financially motivated operations with activity consistent with Iranian state-linked intelligence objectives. This mixed operational profile has made motive assessment difficult in some incidents, as ransomware may serve either direct monetization or cover for broader espionage activity. DEV-0270 has been publicly associated with intrusions into U.S. companies, including a media-sector compromise in which the attackers reportedly maintained access for weeks before encrypting internal systems and disrupting operations. Reporting also places DEV-0270 among Iranian groups with a history of targeting Israel. Microsoft has described the actor as using living-off-the-land techniques, including abuse of native Windows functionality such as BitLocker, to conduct ransomware operations while reducing reliance on conventional malware tooling. The actor is best characterized as an Iranian state-linked cluster that conducts post-compromise ransomware deployment, defense evasion through legitimate system tools, and broader post-exploitation activity inside victim environments. DEV-0270 is also referenced in relation to the wider Phosphorus ecosystem, which overlaps with Iranian cyber operations directed at both intelligence collection and disruptive or financially motivated outcomes.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
6 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
APT/designated activity cluster listed as having a history of targeting Israel.
A Phosphorus subgroup conducting ransomware attacks using living-off-the-land binaries.
Iran-linked threat actor associated with intrusions against US companies involving ransomware deployment; historically engaged in both intelligence collection and financially motivated attacks.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.