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Subject: Re: [cti] RE: Adding an Incident SDO stub to 2.1


This all sounds very promising.

Thanks,
Bret
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"Without cryptography vihv vivc ce xhrnrw, however, the only thing that can not be unscrambled is an egg."


On Fri, Nov 13, 2020 at 4:05 PM Paul Patrick <ppatrick@darklight.ai> wrote:

Works for me. This would then track very nicely with the US-CERT Federal Incident Notification guidelines.

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From: "Mates, Jeffrey CIV DC3/TSD" <Jeffrey.Mates@dc3.mil>
Date: Friday, November 13, 2020 at 6:03 PM
To: Paul Patrick <ppatrick@darklight.ai>, 'Rich Piazza' <rpiazza@mitre.org>, "cti@lists.oasis-open.org" <cti@lists.oasis-open.org>
Subject: Re: [cti] RE: Adding an Incident SDO stub to 2.1

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I was originally thinking that the Infrastructure would tie to a location, but you're right that might that might end just resulting in an unnecessary layer of indirection and force nearly empty Infrastructure objects to be generated. I think switching it to element_ref would be a lot cleaner.â

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From: cti@lists.oasis-open.org <cti@lists.oasis-open.org> on behalf of Paul Patrick <ppatrick@darklight.ai>
Sent: Friday, November 13, 2020 5:24 PM
To: Mates, Jeffrey CIV DC3/TSD; 'Rich Piazza'; cti@lists.oasis-open.org
Subject: [Non-DoD Source] Re: [cti] RE: Adding an Incident SDO stub to 2.1

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Jeff,

Â

While I agree getting consensus on a full definition would be extremely difficult, I think what youâve pulled together is rather good.

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Had two comments I wanted to check with you:

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 I didnât see, through example, a way to reference the location of activity. Although it would be easy to do with a relationship to a location object

ÂÂÂÂÂÂÂÂÂ I would suggest that the infrastructure_ref property of the impact_element object might better be served if it was an object_ref so that things other than infrastructure objects could be specified.Â

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Â

Paul Patrick

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From: <cti@lists.oasis-open.org> on behalf of "Mates, Jeffrey CIV DC3/TSD" <Jeffrey.Mates@dc3.mil>
Date: Friday, November 13, 2020 at 3:45 PM
To: 'Rich Piazza' <rpiazza@mitre.org>, "cti@lists.oasis-open.org" <cti@lists.oasis-open.org>
Subject: [cti] RE: Adding an Incident SDO stub to 2.1

Â

While Iâm very much in favor of creating an Incident object, I am concerned that generating a stub and having everyone put different things to do it may do us more harm than good as I imagine we are all looking at structuring it very differently.

Â

I have attached a draft that I have been working on along with samples of it in use to illustrate just how divergent thoughts on this may be. I know that working through what I have now has certainly run into challenges as balancing current and future needs across multiple systems is extremely challenging which is why I have not put forward much so far on this.

Â

While I am certainly happy to discuss the stub proposal and various potential incidents proposals on the working call I expect that reaching consensus is going to be a challenge.

Â

//SIGNED//

Â

Jeffrey Mates, Civ DC3/TSD

Computer Scientist

Technical Solutions Development

jeffrey.mates@dc3.mil

410-694-4335

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From: cti@lists.oasis-open.org <cti@lists.oasis-open.org> On Behalf Of Rich Piazza
Sent: Friday, November 13, 2020 2:16 PM
To: cti@lists.oasis-open.org
Subject: [Non-DoD Source] [cti] Adding an Incident SDO stub to 2.1

Â

The editors would like to propose an addition to the specification, suggested by Paul Patrick.

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Many in the community have commented about the lack of an Incident SDO in STIX 2.1. This has caused them to define their own, as a custom object. With the inclusion of the STIX extension facility into the specification, it has been suggested that the 2.1 spec includes a âstubâ for Incident. This âstubâ would act as a placeholder, from which the members of the community could base the extensions for their Incident content. The text added to the specification to define the Incident SDO would be minimal â similar to the stub for the Course of Action.Â

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Please respond if you feel this addition to the specification should not happen. If there is any objections, we can discuss them on the next weekâs call.

Â

ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Rich P.

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--Â

Rich Piazza

Lead Cyber Security Engineer

The MITRE Corporation

781-271-3760

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