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Questions tagged [transparent-data-encryption]

Transparent Data Encryption, a feature used to provide protection for data at rest.

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Can we change asymmetric key attached to a SQL server login

I have created a login using the below command: Create Login test From Asymmetric Key asymkey1; Is there any way to alter the login and attach a different Asymmetric Key asymkey2?
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SQL Connector for Azure Key Vault - Cannot use more than one key vault

I am using SQL Server 2016 Enterprise Edition with SQL Connector for Azure Key Vault. I am trying to attach more than one Key Vault to my SQL instance but it is not working. I went through these ...
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SQL TDE and Certificate Handling Recommendations

I've seen the information on this post: But I don't think it answers this particular question/concern: I have multiple SQL servers with multiple databases. We want to use TDE on a few of them. ...
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Turn TDE off when restoring SQL databases

We are just getting started with TDE. Eventually it will be in our Prod SQL Server environment and two major non-prod environments, but currently it is only in one non-prod system. My question is ...
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Where can I find the reason why TDE encryption Scan aborted?

When encrypting large database > 10TB . I had to issue --alter database set encryption on several times , but the encryption starts and fails with the same message in the error log. where can i find ...
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21 views

Auditing of modification of change to encryption keys

Is it possible to audit/log any attempts or actual changes to the keys used in the encryption hierarchy? We are using 2014 Enterprise edition and have recently enabled TDE across our databases and ...
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How to use tablespace

I am trying to implement Transperent Data Encryption. I am done with setting up the wallet and creating the tablespace. My doubt is how to specify tablespace so that every object(tables/functions/...
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1answer
87 views

SQL Server TDE Vs SQL Server Database Backups

Can anyone please help me understand below case: Kindly advise on below case: SQL Server is on 2014 SP2 GDR version I read Compression and TDE does not go hand in hand . I have 2 PRD Environments:...
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Is there a way to open an encrypted Oracle Database wallet through weblogic JDBC drivers?

I encrypted a column in an Oracle 12c database using the TDE method, The said column was being used in my application, The column becomes unavailable due to the Database wallet being closed. To open ...
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TEMP Database is not showing Encrypted in TDE in SQL Server 2008R2

As per my knowledge, when we encrypt any user database in SQL Server through TDE, the TEMP database automatically gets encrypted. I have done TDE in SQL Server 2016, and when I check through SELECT ...
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85 views

SQL Connector for Azure Key Vault - multiple key vaults and keys per instance

In SQL Server 2016 Enterprise Edition, is it possible to link a single instance to more than one Azure key vault / EKM provider? If so, how would I add an additional provider? Any security ...
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1answer
1k views

How to change SQL Server master key password?

I created a master key, then a certificate and encrypted my database. CREATE MASTER KEY ENCRYPTION BY PASSWORD='A Very Strong Password'; GO CREATE CERTIFICATE foo WITH SUBJECT='Database Encryption ...
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205 views

File permissions for database backups and certificate backups

I have backed up a database and backed up the database master key to the very same folder. Everyone has full access to this folder, however, only the database backup inherits the permissions of the ...
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TDE Master Key Rotation

Does changing the TDE Master Key (DB Master Key and/or the DB encryption key) always require decryption and re-encryption? If not, at what version did SQL Server begin to allow you to change the ...
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Database Encryption scan for database <name> was aborted. Reissue ALTER DB to resume the scan

I disabled TDE on a database and once completed I dropped the DB certificate for it. Later I performed a manual failover to node2 and ran steps to enable TDE once again. However encryption state is ...
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How many keys does wallet keystore have?

I my scenario I have configure transparent data encryption with password based software keystore only for example 'ewallet.p12' and create a master key for software keystore. I want to know can we ...
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TDE Enabled DB Always Going Into “Recovery Pending” on Secondary Node [duplicate]

I have a Windows Failover Cluster set up with SQL 2016 Enterprise SP2. TDE was implemented on a DB, on node1 the DB is able to start without issues. However, when a failover occurs, on node2 the DB ...
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48 views

SQL Server TDE - Database backups and post restore behaviour

Below is my SQL Server details: SQL Server 2014 Enterprise SP2 GDR with Availability Group configured. List item NOTE: The Databases are FileStream Enabled. Below are the series of actions I did ...
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1answer
43 views

using oracle tde

I am new to using oracle database. I want to encrypt data stored in oracle. I am using oracle 18c for this and using TDE(Transparent Data Encryption) feature for it. However, when I run select query ...
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Clarifications on Transparent Data Encryption

This is the first time we are applying TDE on production databases that are critical and I have the questions below. While TDE is in progress: Can we still access the application that is working on ...
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525 views

Change Encryption Wallet type from PASSWORD to AUTOLOGIN

I am currently working on an Oracle 18.3 DB and I have a script which allows me to create an encrypted seed PDB. As part of this script, we encrypt the system tablespaces (like SYSTEM, SYSAUX, and ...
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Will TDE encryption protect my SQL database from hacker in this scenario

I'm a bit understand that TDE encryption protect the database from being stolen and read by a hacker. However, I don't understand if it can help me in this scenario: If a hacker got into my server and ...
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191 views

How do you use pvkconverter.exe - not working for me?

I tried to following this link to convert a .pfx file to the .cer and .pvk file pair. When I run this command, "C:\Program Files (x86)\Microsoft\PVKConverter\PVKConverter.exe" -i TDE_Cert.pfx -o ...
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50 views

Data Security in MS SQL Server

How do I store the sensitive information on SQL server?. We have policy guidelines, DBA and Development engineers are not allowed to view the data as plain text. I am aware of the encryption ...
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1answer
214 views

Generate the statistics of a table after truncating it and then repopulate it?

Is it necessary to generate the statistics of a table after truncating it and then repopulate it? I have a table with several million rows in Oracle.Every week new data is recharged, truncating the ...
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Restore fails on unencrypted database

I tried to restore an unencrypted database to a different server and it failed with the error: "Cannot find certificate with thumbprint". This suggests the database is encrypted but it is not. ...
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I only have backup of a TDE encrypted SQL Server database--can it be restored it to another server?

My situation is little weird--I have no access to the source database server, but I do have the database backups of a database that is encrypted with TDE. When I restore it to another server, I am ...
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Enabling TDE on PRODUCTION Servers - Guidance , Suggestions and Testing TDE ways

First of all just want to say , I am completely new to Transparent Data Encryption. Can I get some guidance on things to keep in mind while I am enabling TDE on Critical PRODUCTION Servers. I have ...
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166 views

Script to automate enabling TDE on any unencypted user databases

I'm looking for a way to automate the encryption of user databases. Ideally this would be a job that can be scheduled to run every night. The job would: find any user database that is not encrypted, ...
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1answer
142 views

Enabling TDE on SQL Server AOAG 2014 Databases - Guidance

I am completely new to Transparent Data encryption and please help me on below questions related to enabling the TDE on existing PRODUCTION Databases. Primary Question: What are the things which I ...
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420 views

Best practice around non-production databases refreshes and TDE

Say we have a production system with several databases encrypted using TDE and a self-generated certificate. We regularly need to take this database and refresh our non-production systems. This ...
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2answers
140 views

TDE using EKM device

We use an external HSM device to create and store keys and use it for TDE. Our auditors are asking questions about where the keys are store. So obviously the key is stored in the external HSM device. ...
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1answer
2k views

How can I enable Transparent Data encryption (TDE) on MySQL 5.6

I am looking to perform real-time I/O encryption and decryption on MySQL 5.6 Database. I have few questions to understand Transparent Date Encryption (TDE): Note: I am using AlibabaCloud Can I ...
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1answer
63 views

Restoring MS SQL TDE database question

I'm new to SQL Server TDE and have a question. I have two VM's (VM1 = Source and VM2 = Target). On the source machine, I executed all the required steps to enable my Test database as well as backing ...
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307 views

Disabling TDE on AlwaysOn database

Which are the correct steps to disable (not removing) TDE on a AlwaysOn database in an availability group? I found steps for removing TDE but that involves removing the availability group and ...
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Mirrored TDE DB Performance

Performing a large index reorg on a mirrored SQL Server 2014 TDE database creates a large redo log on the mirror and the mirroring monitor displays an infinite restore time. The exact same process ...
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Change expiry date of TDE certificate of User Database without changing Thumbprint

I have been searching through internet on how to change expiry date of TDE certification of a user database at SQL Server 2014 SP2 and got so many articles and most of them are suggesting to drop and ...
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571 views

Disadvantages of TDE [closed]

Is there any effect at the application end, if you configure TDE for Production databases, which are in both replication and Always On Availability Groups in SQL Server 2014 Enterprise Edition? This ...
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1answer
270 views

SQL Server 2008 Database encryption

In my company there is MS SQL SERVER 2008 standard edition installed. My problem is we want to encrypt whole database but in standard edition there is encryption like transparent-data-encryption(TDE) ...
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2answers
92 views

Trying to read a log file encrypted by TDE

I have a full chain of full backups and log backups. I am looking to investigate exactly what transaction was done by a certain user in a given period of time. The database (thus all backups) are ...
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1answer
359 views

TDE enabled database backup taking too long

We have recently implemented TDE and backup compression is also enabled. Before TDE backup used to take about 20min but now it takes about one hour. I have set @MaxTransferSize to 3MB, 2MB, 1MB and ...
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Alternatives to User Defined Performance Counters for CPU Monitoring - SQL 2014

I want to monitor CPU usage before implementing TDE on several production SQL Servers. My plan was to use user defined performance counters, over a period of a couple of days, counters as defined ...
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372 views

Restore SQL Server DB encrypted by EKM - where's the asymmetric key?

MS is clear about restoring TDE backups: Certificate has to be restored on destination OR, in case of EKM, the asymmetric key " When moving a TDE protected database, you must also move the ...
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438 views

Is it (always) necessary to backup a certificate with private key?

I'm starting a project to encrypt database files. I've created a master key and a certificate the following way: USE master; GO CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Master_K3y'; GO CREATE ...
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362 views

Is there any approach for encrypting mysql column by key?

I have a scenario for encrypting user information in mysql db. Is there any approach to encrypting column by key. This key information will be there in application configuration file. This key we won'...
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1answer
2k views

Microsoft SQL Server 2016 Service Pack 1 (SP1) support for TDE (transparent data encryption)

Does Microsoft SQL Server 2016 Service Pack 1 add support for TDE (Transparent Data Encryption) to Standard Edition as well? As per What's new in Database Engine - SQL Server 2016 and A Big Deal : ...
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152 views

Using TDE and SQL Server 2016 AlwaysOn Availability Groups

We currently use SQL Server 2012 AG are in process of migrating to SQL 2016. We use EMC SAN for storage and it provides the data encryption at rest on hardware level. Some folks are thinking about ...
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Do any databases other than SAP ASE support key custodians?

SAP Sybase ASE supports the notion of a key custodian. This allows for a setup where the trust can be split between two roles: the database administrator and a key custodian. The database ...
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1answer
303 views

Backup errors after TDE certificate expired and new cert was created with AlwaysOn

I have 2 databases in AlwaysOn with TDE enabled. My TDE cert expired and i created a new one but Ola's Backup script is still failing: EXECUTE [dbo].[DatabaseBackup] @Databases = 'DB1, DB2', @...
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587 views

Backup Compression Causing Corruption In SQL 2017 TDE Database

On SQL Server 2017 (CU3), whenever I enable backup compression on one of my TDE databases, the backup process always corrupts a specific page in the database. If I run the backup without compression, ...