Caldera

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20 May 2026 ¶

Report was filed, but display is awaiting the approval of the Board minutes.

15 Apr 2026 ¶

Caldera provides a modular platform for modeling, scripting, and executing
adversary behavior. It allows users to construct emulation plans, provides
agents for             communicating with the command and control server,
and enables users to evaluate             security detections in a
structured, scalable, and repeatable way. With the use of             plug-
ins and community-contributed features, Caldera supports a range of use
cases             including adversary emulation, purple teaming, detection
engineering, and continuous             security validation. Using Caldera,
defenders can emulate known threat actor behavior             and perform
other red team activity to evaluate their organization’s defensive
capabilities, test analytics, and find detection gaps. As a modular tool
based on the             MITRE ATT&CK framework, Caldera is designed to be
extensible, intelligence-driven,             and automation-friendly.

Caldera has been incubating since 2025-12-19.

### Three most important unfinished issues to address before graduating:

 1.
 2.
 3.

### Are there any issues that the IPMC or ASF Board need to be aware of?

### How has the community developed since the last report?

### How has the project developed since the last report?

### How would you assess the podling's maturity?
 Please feel free to add your own commentary.

 - [ ] Initial setup
 - [ ] Working towards first release
 - [ ] Community building
 - [ ] Nearing graduation
 - [ ] Other:

### Date of last release:

 XXXX-XX-XX

### When were the last committers or PPMC members elected?

### Have your mentors been helpful and responsive?

### Is the PPMC managing the podling's brand / trademarks?

### Signed-off-by:

 - [ ] (caldera) Kevin Ratnasekera
    Comments:
 - [ ] (caldera) Francis Chuang
    Comments:
 - [ ] (caldera) PJ Fanning
    Comments: No PPMC member or mentor (except me) has yet signed up to
    any mailing list. I have been told that Mitre Legal team are
    ready to sign the SGA but the Caldera team email me and refuse to use the
    lists, despite me constantly telling them to. It may be time to
    consider having IPMC retire the podling.
 - [ ] (caldera) Gordon King
    Comments:

### IPMC/Shepherd notes:

 Justin Mclean: See discussion on Incubator general list
 https://lists.apache.org/thread/hmw6zxzc60pktfjk8p2tmn66pzfmvfpw