Re: [cti] Timestamp Serialization Question

From
Kirillov, Ivan A. <>
Date
2016-01-19T20:40:24+00:00
ID
Thread
Re: [cti] Timestamp Serialization Question
+1 for Option 1 also.

Regards,

Ivan

From: <> on behalf of Jason Keirstead <>

Date: Tuesday, January 19, 2016 at 1:34 PM

To: John Wunder <>

Cc: "" <>, Bret Jordan <>

Subject: Re: [cti] Timestamp Serialization Question

I prefer option one as well.

-

Jason Keirstead

Product Architect, Security Intelligence, IBM Security Systems

www.ibm.com/security | www.securityintelligence.com

Without data, all you are is just another person with an opinion - Unknown 

"Wunder,
 John A." ---01/19/2016 04:27:20 PM---I have a very strong preference for Option 1. Option 2 adds a layer of indirection for all users, ev

From: "Wunder, John A." <>

To: "" <>, "Jordan, Bret" <>

Date: 01/19/2016 04:27 PM

Subject: Re: [cti] Timestamp Serialization Question

Sent by: <>

I have a very strong preference for Option 1. Option 2 adds a layer of indirection for all users, even those who don’t care about precision, while Option 1 means that only those who care about precision have to deal with it.

John

On January 19, 2016 at 3:22:52 PM, Jordan, Bret () wrote:

There tends to be two options for dealing with objects that have multiple timestamps and their corresponding precision. Sean and I have been talking through the pros and cons of these. We would like to get everyone's opinion. Which do
 you prefer, option 1 or option 2 

Option 1:

This option put the burden on the JSON serialization format to add an extra "_precision" field to each timestamp enabled field. This is a much flatter and easier to parse and process representation, but the con is it requires unique field
 names.

{

"type": "incident",

"initial_compromise_time" : "2015-12-07T22:00:00Z",

"initial_compromise_time_precision": "hour",

"first_data_exfiltrated_time" : "2015-12-09T05:11:00Z",

"first_data_exfiltrated_time_precision" : "minute",

"incident_opened_time" : "2016-01-15T11:19:22Z",

"incident_closed_time" : "2016-01-19T17:24:017Z"

}

Option 2:

This option will require a nested object and struct to store this data and will have an extra layer of indirection for all of those times when the timestamp is at the default precision.

{

"type": "incident",

"initial_compromise_time" : {

"timestamp": "2015-12-07T22:00:00Z",

"timestamp_precision": "hour"

},

"first_data_exfiltrated_time" : { 

"timestamp": "2015-12-09T05:11:00Z",

"timestamp_precision" : "minute"

},

"incident_opened_time" : {

"timestamp": "2016-01-15T11:19:22Z"

},

"incident_closed_time" : {

"timestamp": "2016-01-19T17:24:017Z"

}

}

Thanks,

Bret

Bret Jordan CISSP 

Director of Security Architecture and Standards | Office of the CTO

Blue Coat Systems

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