For the record
https://stixproject.github.io/data-model/1.2/indicator/IndicatorType/
Valid_Time_Position 0..n ValidTimeType
Specifies the time window for which this Indicator is valid.
was introduced for some use cases related.
2015-10-30 12:15 GMT+03:00 Trey Darley <>:
> On 29.10.2015 11:48:16, Jason Keirstead wrote:
>> - Now you have another problem, for how long do you report these
>> "negative assertions"? Forever? Indicators do not have a life-span
>> attribute.
>>
>
> Indicators *should* have some type of lifespan attribute. This is one
> of the things I really like in OpenTPX. Cf. `score_24hr_decay_i`, page
> 16 in the OpenTPX Introduction [0]. Should be its own thread, but
> let's take inspiration from OpenTPX and add a decay mechanism to
> Indicators and (arguably) Observables.
>
> [0]: https://www.opentpx.org/docs/openTPX-introduction.pdf
>
> --
> Cheers,
> Trey
> --
> Trey Darley
> Senior Security Engineer
> 4DAA 0A88 34BC 27C9 FD2B A97E D3C6 5C74 0FB7 E430
> Soltra | An FS-ISAC & DTCC Company
> www.soltra.com
> --
> "Every networking problem always takes longer to solve than it seems
> like it should." --RFC 1925
