SQL Server 2019 Data Classification

Jiayi Yang DataClassification • SQL Server 2020年4月26日

--Ref
--https://github.com/microsoft/sqlworkshops-sql2019lab/tree/master/sql2019lab/02_Security/dataclassification

--★★★Demo1★★★
--既存の分類を削除する前にこれらのデモを実行した場合
USE [WideWorldImporters]
GO
IF EXISTS (SELECT * FROM sys.sensitivity_classifications sc WHERE object_id('[Application].[PaymentMethods]') = sc.major_id)
BEGIN
    DROP SENSITIVITY CLASSIFICATION FROM [Application].[PaymentMethods].[PaymentMethodName]
END
GO
IF EXISTS (SELECT * FROM sys.sensitivity_classifications sc WHERE object_id('[Application].[People]') = sc.major_id)
BEGIN
    DROP SENSITIVITY CLASSIFICATION FROM [Application].[People].[FullName]
    DROP SENSITIVITY CLASSIFICATION FROM [Application].[People].[EmailAddress]
END
GO

--分類の確認(for SQL Server 2019)
USE [WideWorldImporters]
GO
SELECT
    SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,
    sys.all_objects.[name] AS [TableName], 
	sys.all_columns.[name] As [ColumnName],
    [Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]
FROM
	sys.sensitivity_classifications
left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id
left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id
and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id

--★★★Demo2★★★
--独自分類の追加1(SQL Server 2019)
--PII = Personally Identifiable Information
ADD SENSITIVITY CLASSIFICATION TO
[Application].[People].[EmailAddress]
WITH (LABEL='PII',
INFORMATION_TYPE='Email')
GO

--感度の分類の確認(for SQL Server 2019)
SELECT
    SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,
    sys.all_objects.[name] AS [TableName], 
	sys.all_columns.[name] As [ColumnName],
    [Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]
FROM
	sys.sensitivity_classifications
left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id
left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id
and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id

--Label_IDにはまだ値を指定していませんが、問題ありません。 
--これにより、人間が読めるメタデータを列に追加したり、外部監査システムから取得したIDを追加したりできます。

--https://docs.microsoft.com/ja-jp/sql/t-sql/statements/drop-sensitivity-classification-transact-sql?view=azuresqldb-current&viewFallbackFrom=sql-server-ver15
DROP SENSITIVITY CLASSIFICATION FROM
[Application].[People].[EmailAddress]
GO

--独自分類の追加2(SQL Server 2019)
--LABEL
--人間が判読できる機密ラベルの名前です。 機密ラベルは、データベース列に格納されているデータの秘密度を表します。
--LABEL_ID
--機密ラベルに関連付けられている識別子です。 多くの場合、システムにおいてラベルを一意に識別するために、一元的な情報保護プラットフォームで使用されます。Azure Information Protection (AIP) などの情報保護システムで使用できます。
--INFORMATION_TYPE
--人間が判読できる情報の種類の名前です。 情報の種類は、データベース列に格納されているデータの種類を記述するために使用されます。
--INFORMATION_TYPE_ID
--情報の種類に関連付けられている識別子です。 多くの場合、システムにおいて情報の種類を一意に識別するために、一元的な情報保護プラットフォームで使用されます。Azure Information Protection (AIP) などの情報保護システムで使用できます。
--RANK
--感度の順位を定義する事前定義された値セットに基づく識別子です。 Advanced Threat Protection などの他のサービスによって使用され、順位に基づいて異常を検出します。
--RANK = NONE | LOW | MEDIUM | HIGH | CRITICAL

--仕様上では、NEWID()を直接埋め込んで実行することはできない
ADD SENSITIVITY CLASSIFICATION TO
[Application].[People].[EmailAddress]
WITH (LABEL='PII',
LABEL_ID=NEWID(),
INFORMATION_TYPE='Email',
INFORMATION_TYPE_ID=NEWID(),
RANK=MEDIUM 
)
GO

SELECT NEWID()

--https://docs.microsoft.com/ja-jp/sql/t-sql/statements/add-sensitivity-classification-transact-sql?view=sql-server-ver15
--SSMS 18.5 Added support for sensitivity rank in Data Classification.
ADD SENSITIVITY CLASSIFICATION TO
[Application].[People].[EmailAddress]
--PIIとはPersonally Identifiable Information、個人を特定できる情報
WITH (LABEL='PII',
LABEL_ID='B0B3C403-14A5-405D-9E01-03F4F1674817',
--LABEL_ID=NEWID(),
INFORMATION_TYPE='Email',
INFORMATION_TYPE_ID='A7460053-D35A-47CF-832A-2BF12EBE5006',
--INFORMATION_TYPE_ID=NEWID(),
RANK=MEDIUM 
)
GO

SELECT
    SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,
    sys.all_objects.[name] AS [TableName], 
	sys.all_columns.[name] As [ColumnName],
    [Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]
FROM
	sys.sensitivity_classifications
left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id
left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id
and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id



--★★★Demo3★★★
--Using SQL Server Audit with Data Classification

-- Step 1: Disable the audits and drop them
USE WideWorldImporters
GO
IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')
BEGIN
    ALTER DATABASE AUDIT SPECIFICATION People_Audit 
    WITH (STATE = OFF)
    DROP DATABASE AUDIT SPECIFICATION People_Audit
END
GO
USE master
GO
IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')
BEGIN
    ALTER SERVER AUDIT Classification_Audit
    WITH (STATE = OFF)
    DROP SERVER AUDIT Classification_Audit
END
GO

--サーバー監査の定義
-- Note: Remember for Linux installations, the default path is /var/opt/mssql/data
USE [master]
GO

CREATE SERVER AUDIT [Classification_Audit]
TO FILE 
(	FILEPATH = N'C:\SQLServerAuditLog\20200425'
	,MAXSIZE = 0 MB
	,MAX_ROLLOVER_FILES = 2147483647
	,RESERVE_DISK_SPACE = OFF
)
WITH
(	QUEUE_DELAY = 1000
	,ON_FAILURE = CONTINUE
)
GO

--サーバー監査を有効にする
ALTER SERVER AUDIT [Classification_Audit]
WITH (STATE = ON)
GO

--データベース監査の定義
USE [WideWorldImporters]
GO  

CREATE DATABASE AUDIT SPECIFICATION [People_Audit]
FOR SERVER AUDIT [Classification_Audit]
ADD (SELECT ON OBJECT::[Application].[People] BY [public])
WITH (STATE = ON) 
GO


--アクセスする、足跡を残るようにする
USE [WideWorldImporters]
GO
SELECT * FROM [Application].[People]
GO

-- Check the audit
-- The audit may now show up EXACTLY right after the query but within a few seconds.
-- Note: Remember for Linux installations, the default path is /var/opt/mssql/data
SELECT event_time, session_id, server_principal_name,
database_name, object_name, 
cast(data_sensitivity_information as XML) as data_sensitivity_information, 
client_ip, application_name
FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
GO

SELECT event_time,action_id as [Activity],
statement as [Query],
[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],
data_sensitivity_information = CONVERT(xml, data_sensitivity_information)
FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
WHERE action_id = 'SL'
GO

--ちなみに、action_idの確認方法
SELECT DISTINCT action_id,name
FROM sys.dm_audit_actions

SELECT DISTINCT action_id,name,class_desc,parent_class_desc
FROM sys.dm_audit_actions
where action_id = 'SL'

--アクセスする、Classification対象外のものをアクセスする
SELECT FullName FROM [Application].[People]
GO

SELECT event_time, session_id, server_principal_name,
database_name, object_name, 
cast(data_sensitivity_information as XML) as data_sensitivity_information, 
client_ip, application_name
FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
GO

SELECT event_time,action_id as [Activity],
statement as [Query],
[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],
data_sensitivity_information = CONVERT(xml, data_sensitivity_information)
FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
WHERE action_id = 'SL'
GO

--条件指定してアクセスする、監査対象になるが、存在していないレコードを検索する
SELECT PreferredName FROM [Application].[People]
WHERE EmailAddress LIKE '%microsoft%'
GO

SELECT event_time, session_id, server_principal_name,
database_name, object_name, 
cast(data_sensitivity_information as XML) as data_sensitivity_information, 
client_ip, application_name
FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
GO

SELECT event_time,action_id as [Activity],
statement as [Query],
[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],
data_sensitivity_information = CONVERT(xml, data_sensitivity_information)
FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
WHERE action_id = 'SL'
GO

--Demoクリア
USE WideWorldImporters
GO
IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')
BEGIN
    ALTER DATABASE AUDIT SPECIFICATION People_Audit 
    WITH (STATE = OFF)
    DROP DATABASE AUDIT SPECIFICATION People_Audit
END
GO
USE master
GO
IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')
BEGIN
    ALTER SERVER AUDIT Classification_Audit
    WITH (STATE = OFF)
    DROP SERVER AUDIT Classification_Audit
END
GO

--★★★Demo4★★★
--日本語のカラム名の検出と分類
USE [NorthwindJ]
GO

SELECT NEWID()

ADD SENSITIVITY CLASSIFICATION TO
[dbo].[社員].[氏名]
--PIIとはPersonally Identifiable Information、個人を特定できる情報
WITH (LABEL='個人情報',
LABEL_ID='CA9E00D6-815F-4857-990A-B2DD50620753',
--LABEL_ID=NEWID(),
INFORMATION_TYPE='名前情報',
INFORMATION_TYPE_ID='6955C739-332D-4841-96E6-A149EFF511DB',
--INFORMATION_TYPE_ID=NEWID(),
RANK=MEDIUM 
)
GO

IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')
BEGIN
    ALTER DATABASE AUDIT SPECIFICATION People_Audit 
    WITH (STATE = OFF)
    DROP DATABASE AUDIT SPECIFICATION People_Audit
END
GO
USE master
GO
IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')
BEGIN
    ALTER SERVER AUDIT Classification_Audit
    WITH (STATE = OFF)
    DROP SERVER AUDIT Classification_Audit
END
GO

--サーバー監査を定義する
USE [master]
GO
CREATE SERVER AUDIT [Classification_Audit]
TO FILE 
(	FILEPATH = N'C:\SQLServerAuditLog\20200425'
	,MAXSIZE = 0 MB
	,MAX_ROLLOVER_FILES = 2147483647
	,RESERVE_DISK_SPACE = OFF
)
WITH
(	QUEUE_DELAY = 1000
	,ON_FAILURE = CONTINUE
)
GO

--サーバー監査を有効にする
--データベース監査の定義
USE [NorthwindJ]
GO  

CREATE DATABASE AUDIT SPECIFICATION [People_Audit]
FOR SERVER AUDIT [Classification_Audit]
ADD (SELECT ON OBJECT::[dbo].[社員] BY [public])
WITH (STATE = ON) 
GO


--アクセスする、足跡を残るようにする
USE [NorthwindJ]
GO
SELECT * FROM [dbo].[社員] 
GO

SELECT event_time,action_id as [Activity],
statement as [Query],
[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],
data_sensitivity_information = CONVERT(xml, data_sensitivity_information)
FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)
WHERE action_id = 'SL'
GO

--Cleaning
USE [NorthwindJ]
GO
IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')
BEGIN
    ALTER DATABASE AUDIT SPECIFICATION People_Audit 
    WITH (STATE = OFF)
    DROP DATABASE AUDIT SPECIFICATION People_Audit
END
GO
USE master
GO
IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')
BEGIN
    ALTER SERVER AUDIT Classification_Audit
    WITH (STATE = OFF)
    DROP SERVER AUDIT Classification_Audit
END
GO

--SQL Server 2019以前のテーブル拡張プロパティからの移行方法について
DECLARE @sql nvarchar(max) = N''

SELECT @sql += N'ADD SENSITIVITY CLASSIFICATION TO ' 
  + QUOTENAME(s.name) + QUOTENAME(o.name) + QUOTENAME(c.name)
  + ' WITH (LABEL = ''' 
  + REPLACE(CONVERT(nvarchar(256), l.[value]), '''', '''''') 
  + ''', INFORMATION_TYPE = ''' 
  + REPLACE(CONVERT(nvarchar(256), t.[value]), '''', '''''') 
  + ''');' + CHAR(13) + CHAR(10)
FROM sys.extended_properties AS t
INNER JOIN sys.extended_properties AS l
ON t.class = l.class AND t.major_id = l.major_id AND t.minor_id = l.minor_id
INNER JOIN sys.objects AS o
ON t.major_id = o.[object_id]
INNER JOIN sys.columns AS c
ON t.major_id = c.[object_id]
AND t.minor_id = c.column_id
INNER JOIN sys.schemas AS s
ON o.[schema_id] = s.[schema_id]
WHERE t.name = N'sys_information_type_name'
AND l.name = N'sys_sensitivity_label_name'

PRINT @sql
GO

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--Ref

--https://github.com/microsoft/sqlworkshops-sql2019lab/tree/master/sql2019lab/02_Security/dataclassification

--★★★Demo1★★★

--既存の分類を削除する前にこれらのデモを実行した場合

USE [WideWorldImporters]

IF EXISTS (SELECT * FROM sys.sensitivity_classifications sc WHERE object_id('[Application].[PaymentMethods]') = sc.major_id)

BEGIN

DROP SENSITIVITY CLASSIFICATION FROM [Application].[PaymentMethods].[PaymentMethodName]

END

IF EXISTS (SELECT * FROM sys.sensitivity_classifications sc WHERE object_id('[Application].[People]') = sc.major_id)

BEGIN

DROP SENSITIVITY CLASSIFICATION FROM [Application].[People].[FullName]

DROP SENSITIVITY CLASSIFICATION FROM [Application].[People].[EmailAddress]

END

--分類の確認(for SQL Server 2019)

USE [WideWorldImporters]

SELECT

SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,

sys.all_objects.[name] AS [TableName],

sys.all_columns.[name] As [ColumnName],

[Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]

FROM

sys.sensitivity_classifications

left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id

left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id

and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id

--★★★Demo2★★★

--独自分類の追加1(SQL Server 2019)

--PII = Personally Identifiable Information

ADD SENSITIVITY CLASSIFICATION TO

[Application].[People].[EmailAddress]

WITH (LABEL='PII',

INFORMATION_TYPE='Email')

--感度の分類の確認(for SQL Server 2019)

SELECT

SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,

sys.all_objects.[name] AS [TableName],

sys.all_columns.[name] As [ColumnName],

[Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]

FROM

sys.sensitivity_classifications

left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id

left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id

and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id

--Label_IDにはまだ値を指定していませんが、問題ありません。

--これにより、人間が読めるメタデータを列に追加したり、外部監査システムから取得したIDを追加したりできます。

--https://docs.microsoft.com/ja-jp/sql/t-sql/statements/drop-sensitivity-classification-transact-sql?view=azuresqldb-current&viewFallbackFrom=sql-server-ver15

DROP SENSITIVITY CLASSIFICATION FROM

[Application].[People].[EmailAddress]

--独自分類の追加2(SQL Server 2019)

--LABEL

--人間が判読できる機密ラベルの名前です。機密ラベルは、データベース列に格納されているデータの秘密度を表します。

--LABEL_ID

--機密ラベルに関連付けられている識別子です。多くの場合、システムにおいてラベルを一意に識別するために、一元的な情報保護プラットフォームで使用されます。Azure Information Protection (AIP) などの情報保護システムで使用できます。

--INFORMATION_TYPE

--人間が判読できる情報の種類の名前です。情報の種類は、データベース列に格納されているデータの種類を記述するために使用されます。

--INFORMATION_TYPE_ID

--情報の種類に関連付けられている識別子です。多くの場合、システムにおいて情報の種類を一意に識別するために、一元的な情報保護プラットフォームで使用されます。Azure Information Protection (AIP) などの情報保護システムで使用できます。

--RANK

--感度の順位を定義する事前定義された値セットに基づく識別子です。 Advanced Threat Protection などの他のサービスによって使用され、順位に基づいて異常を検出します。

--RANK = NONE | LOW | MEDIUM | HIGH | CRITICAL

--仕様上では、NEWID()を直接埋め込んで実行することはできない

ADD SENSITIVITY CLASSIFICATION TO

[Application].[People].[EmailAddress]

WITH (LABEL='PII',

LABEL_ID=NEWID(),

INFORMATION_TYPE='Email',

INFORMATION_TYPE_ID=NEWID(),

RANK=MEDIUM

)

SELECT NEWID()

--https://docs.microsoft.com/ja-jp/sql/t-sql/statements/add-sensitivity-classification-transact-sql?view=sql-server-ver15

--SSMS 18.5 Added support for sensitivity rank in Data Classification.

ADD SENSITIVITY CLASSIFICATION TO

[Application].[People].[EmailAddress]

--PIIとはPersonally Identifiable Information、個人を特定できる情報

WITH (LABEL='PII',

LABEL_ID='B0B3C403-14A5-405D-9E01-03F4F1674817',

--LABEL_ID=NEWID(),

INFORMATION_TYPE='Email',

INFORMATION_TYPE_ID='A7460053-D35A-47CF-832A-2BF12EBE5006',

--INFORMATION_TYPE_ID=NEWID(),

RANK=MEDIUM

)

SELECT

SCHEMA_NAME(sys.all_objects.schema_id) as SchemaName,

sys.all_objects.[name] AS [TableName],

sys.all_columns.[name] As [ColumnName],

[Label], [Label_ID], [Information_Type], [Information_Type_ID], [Rank], [Rank_Desc]

FROM

sys.sensitivity_classifications

left join sys.all_objects on sys.sensitivity_classifications.major_id = sys.all_objects.object_id

left join sys.all_columns on sys.sensitivity_classifications.major_id = sys.all_columns.object_id

and sys.sensitivity_classifications.minor_id = sys.all_columns.column_id

--★★★Demo3★★★

--Using SQL Server Audit with Data Classification

-- Step 1: Disable the audits and drop them

USE WideWorldImporters

IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')

BEGIN

ALTER DATABASE AUDIT SPECIFICATION People_Audit

WITH (STATE = OFF)

DROP DATABASE AUDIT SPECIFICATION People_Audit

END

USE master

IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')

BEGIN

ALTER SERVER AUDIT Classification_Audit

WITH (STATE = OFF)

DROP SERVER AUDIT Classification_Audit

END

--サーバー監査の定義

-- Note: Remember for Linux installations, the default path is /var/opt/mssql/data

USE [master]

CREATE SERVER AUDIT [Classification_Audit]

TO FILE

( FILEPATH = N'C:\SQLServerAuditLog\20200425'

,MAXSIZE = 0 MB

,MAX_ROLLOVER_FILES = 2147483647

,RESERVE_DISK_SPACE = OFF

)

WITH

( QUEUE_DELAY = 1000

,ON_FAILURE = CONTINUE

)

--サーバー監査を有効にする

ALTER SERVER AUDIT [Classification_Audit]

WITH (STATE = ON)

--データベース監査の定義

USE [WideWorldImporters]

CREATE DATABASE AUDIT SPECIFICATION [People_Audit]

FOR SERVER AUDIT [Classification_Audit]

ADD (SELECT ON OBJECT::[Application].[People] BY [public])

WITH (STATE = ON)

--アクセスする、足跡を残るようにする

USE [WideWorldImporters]

SELECT * FROM [Application].[People]

-- Check the audit

-- The audit may now show up EXACTLY right after the query but within a few seconds.

-- Note: Remember for Linux installations, the default path is /var/opt/mssql/data

SELECT event_time, session_id, server_principal_name,

database_name, object_name,

cast(data_sensitivity_information as XML) as data_sensitivity_information,

client_ip, application_name

FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

SELECT event_time,action_id as [Activity],

statement as [Query],

[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],

data_sensitivity_information = CONVERT(xml, data_sensitivity_information)

FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

WHERE action_id = 'SL'

--ちなみに、action_idの確認方法

SELECT DISTINCT action_id,name

FROM sys.dm_audit_actions

SELECT DISTINCT action_id,name,class_desc,parent_class_desc

FROM sys.dm_audit_actions

where action_id = 'SL'

--アクセスする、Classification対象外のものをアクセスする

SELECT FullName FROM [Application].[People]

SELECT event_time, session_id, server_principal_name,

database_name, object_name,

cast(data_sensitivity_information as XML) as data_sensitivity_information,

client_ip, application_name

FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

SELECT event_time,action_id as [Activity],

statement as [Query],

[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],

data_sensitivity_information = CONVERT(xml, data_sensitivity_information)

FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

WHERE action_id = 'SL'

--条件指定してアクセスする、監査対象になるが、存在していないレコードを検索する

SELECT PreferredName FROM [Application].[People]

WHERE EmailAddress LIKE '%microsoft%'

SELECT event_time, session_id, server_principal_name,

database_name, object_name,

cast(data_sensitivity_information as XML) as data_sensitivity_information,

client_ip, application_name

FROM sys.fn_get_audit_file ('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

SELECT event_time,action_id as [Activity],

statement as [Query],

[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],

data_sensitivity_information = CONVERT(xml, data_sensitivity_information)

FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

WHERE action_id = 'SL'

--Demoクリア

USE WideWorldImporters

IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')

BEGIN

ALTER DATABASE AUDIT SPECIFICATION People_Audit

WITH (STATE = OFF)

DROP DATABASE AUDIT SPECIFICATION People_Audit

END

USE master

IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')

BEGIN

ALTER SERVER AUDIT Classification_Audit

WITH (STATE = OFF)

DROP SERVER AUDIT Classification_Audit

END

--★★★Demo4★★★

--日本語のカラム名の検出と分類

USE [NorthwindJ]

SELECT NEWID()

ADD SENSITIVITY CLASSIFICATION TO

[dbo].[社員].[氏名]

--PIIとはPersonally Identifiable Information、個人を特定できる情報

WITH (LABEL='個人情報',

LABEL_ID='CA9E00D6-815F-4857-990A-B2DD50620753',

--LABEL_ID=NEWID(),

INFORMATION_TYPE='名前情報',

INFORMATION_TYPE_ID='6955C739-332D-4841-96E6-A149EFF511DB',

--INFORMATION_TYPE_ID=NEWID(),

RANK=MEDIUM

)

IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')

BEGIN

ALTER DATABASE AUDIT SPECIFICATION People_Audit

WITH (STATE = OFF)

DROP DATABASE AUDIT SPECIFICATION People_Audit

END

USE master

IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')

BEGIN

ALTER SERVER AUDIT Classification_Audit

WITH (STATE = OFF)

DROP SERVER AUDIT Classification_Audit

END

--サーバー監査を定義する

USE [master]

CREATE SERVER AUDIT [Classification_Audit]

TO FILE

( FILEPATH = N'C:\SQLServerAuditLog\20200425'

,MAXSIZE = 0 MB

,MAX_ROLLOVER_FILES = 2147483647

,RESERVE_DISK_SPACE = OFF

)

WITH

( QUEUE_DELAY = 1000

,ON_FAILURE = CONTINUE

)

--サーバー監査を有効にする

--データベース監査の定義

USE [NorthwindJ]

CREATE DATABASE AUDIT SPECIFICATION [People_Audit]

FOR SERVER AUDIT [Classification_Audit]

ADD (SELECT ON OBJECT::[dbo].[社員] BY [public])

WITH (STATE = ON)

--アクセスする、足跡を残るようにする

USE [NorthwindJ]

SELECT * FROM [dbo].[社員]

SELECT event_time,action_id as [Activity],

statement as [Query],

[object] = [database_name] + '.' + [schema_name] + '.' + [object_name],

data_sensitivity_information = CONVERT(xml, data_sensitivity_information)

FROM sys.fn_get_audit_file('C:\SQLServerAuditLog\20200425\*.sqlaudit',default,default)

WHERE action_id = 'SL'

--Cleaning

USE [NorthwindJ]

IF EXISTS (SELECT * FROM sys.database_audit_specifications WHERE name = 'People_Audit')

BEGIN

ALTER DATABASE AUDIT SPECIFICATION People_Audit

WITH (STATE = OFF)

DROP DATABASE AUDIT SPECIFICATION People_Audit

END

USE master

IF EXISTS (SELECT * FROM sys.server_audits WHERE name = 'Classification_Audit')

BEGIN

ALTER SERVER AUDIT Classification_Audit

WITH (STATE = OFF)

DROP SERVER AUDIT Classification_Audit

END

--SQL Server 2019以前のテーブル拡張プロパティからの移行方法について

DECLARE @sql nvarchar(max) = N''

SELECT @sql += N'ADD SENSITIVITY CLASSIFICATION TO '

+ QUOTENAME(s.name) + QUOTENAME(o.name) + QUOTENAME(c.name)

+ ' WITH (LABEL = '''

+ REPLACE(CONVERT(nvarchar(256), l.[value]), '''', '''''')

+ ''', INFORMATION_TYPE = '''

+ REPLACE(CONVERT(nvarchar(256), t.[value]), '''', '''''')

+ ''');' + CHAR(13) + CHAR(10)

FROM sys.extended_properties AS t

INNER JOIN sys.extended_properties AS l

ON t.class = l.class AND t.major_id = l.major_id AND t.minor_id = l.minor_id

INNER JOIN sys.objects AS o

ON t.major_id = o.[object_id]

INNER JOIN sys.columns AS c

ON t.major_id = c.[object_id]

AND t.minor_id = c.column_id

INNER JOIN sys.schemas AS s

ON o.[schema_id] = s.[schema_id]

WHERE t.name = N'sys_information_type_name'

AND l.name = N'sys_sensitivity_label_name'

PRINT @sql