Cyber Threat Intelligence

Understand and proactively protect against threat actors targeting you and your peers.


Ukraine Crisis Resource Center

Follow the latest insights, reports, and news from the Mandiant team regarding the ongoing conflict in Ukraine.

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Mandiant Advantage Threat Intelligence

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Finished Intelligence

 Iran-Linked UNC3313 APT Employed Two Custom Backdoors Against a Middle East Gov Entity

Mandiant Threat Intelligence has been tracking and providing extensive coverage of UNC3313 activity, assessed with moderate confidence to be associated with TEMP.Zagros, to include the group’s malware development of GramDoor and StarWhale payloads. We believe that UNC3313...

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Industry Profile: Technology (2022) 

Mandiant Threat Intelligence assesses with high confidence that cyber espionage poses a frequent and serious threat to the technology industry. These operations likely target technology organizations to obtain proprietary data that could be used for military or commercial advantage…

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Cyber Threat Actors Announce Threats and Attacks Against Critical Infrastructure in Response to Russia/Ukraine Conflict

In response to the Russia/Ukraine conflict, various cyber threat actor groups have been announcing sides and possible threats of action against various parties. Mandiant Threat Intelligence observed some activity with implications for critical infrastructure and operational…

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Active Threat Actors


APT41 is a Chinese state-sponsored espionage group that also conducts financially motivated activity for personal gain. The group has executed multiple supply chain compromises, gaining access to software companies to inject malicious code into legitimate files before distributing updates.

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FIN11 is a financially motivated threat group that has conducted some of the largest and longest running malware distribution campaigns observed amongst our FIN groups to date. Mandiant has observed FIN11 attempt to monetize their operations at least once using named point-of-sale (POS) malware and more frequently using CLOP ransomware combined with traditional extortion.

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UNC1543 is a financially motivated cluster of activity that distributes FAKEUPDATES, a multi-stage JavaScript dropper that typically masquerades as a browser update. In at least some cases, UNC1543 appears to partner with clients or affiliates who use access obtained by the group to deploy additional malware.

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Why Mandiant Threat Intelligence?

Leveraging hundreds of thousands of incidence response hours per year and over a thousand years of investigative experience, Mandiant provides relevant and timely reports on the latest cyber threat intelligence trends and topics.  These reports eliminate the need to search the web gathering pieces of intelligence as you go, saving you a considerable amount of time.

Protection Guides

Having and understanding the threat intelligence is part of the solution.  Making it actionable is critically important.  These detailed guides will help you understand the issue and provide recommendations on how to put the threat intelligence into practice. 

Proactive Preparation and Hardening to Prevent Against Destructive Attacks

Includes hardening and detection guidance to protect against a destructive attack or other security incident within your environment.

Distributed Denial of Services (DDoS) Protection Recommendations

This guide outlines the different types of DDoS events and the protection recommendations.

Linux Endpoint Hardening to Protect Against Malware and Destructive Attacks

This paper provides recommendations to protect Linux endpoints from adversarial abuse. 


In December 2020, FireEye uncovered and publicly disclosed a widespread campaign conducted by the threat group we track as UNC2452

Ransomware Protection and Containment Strategies Practical Guidance for Endpoint Protection, Hardening and Containment

Ransomware is a common method of cyber extortion or disruption for financial gain.


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