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1. Picture Instruments Mask Integrator 2 0 100000 Kb
2. Picture Instruments Mask Integrator 2 0 100000 Btu
3. Picture Instruments Mask Integrator 2 0 100000 Dollars

By: Aaron Bertrand | Updated: 2015-08-20 | Comments (2) | Related: More >SQL Server 2016

Problem

I recently published an introductory overview of Dynamic Data Masking (DDM), at the time based on SQL Server 2016 CTP 2.1. I tried to emphasize there that this is obfuscation, not encryption, and that there are easy ways to bypass the masking.

I am seeing multiple people with the expectation that DDM will unilaterally secure their data from lower-privileged users. While it's true that DDM can help to mask data from those outside of sysadmin and db_owner roles (or those explicitly granted UNMASK), there will be many ways for users to get around the obfuscation, intentionally or inadvertently.

Solution

To illustrate the problems with trying to use this as a true security feature, let's assume we have the following simple table and user:

Now, we've applied a default mask to the Salary column; so, we should see 0 for all those rows. And in fact, we do:

Results:

In CTP 2.0, all that was necessary to bypass the masking was to convert to a compatible but different data type. For example:

Results:

In CTP 2.1, they fixed that.. you don't get the original masking, but you no longer see the actual values:

However, there were still other holes; for example, you only had to add an alias (several people assume this involved a join or putting the query in a view, but an alias that doesn't match the original name is all that's needed).Below I am using 'e' as the alias for table 'Employees' to get around this:

Results:

In CTP 2.2, they've fixed that one.. but there are other holes remaining. This should not be considered an exhaustive list, but all of the following yield similar results (I'm going to stop showing the unmasked results now):

Resolume arena 5 0 1 download free. Populate a #temp table, @table variable, or use SELECT INTO

Run the query from a second database, where the user *is* db_owner

First, create a second database and add peon to db_owner:

Now, you won't be able to use EXECUTE AS directly, but if you establish a new session, log in as peon, connect to the DDM2 database, and run the following query, you'll see the unmasked values:

Infer or make deductions about the data based on filters

It's also quite easy to make inferences about the data based on where clauses and join criteria, for example both of these queries return two rows (Wayne and Teemu):

Long story short

Picture Instruments Mask Integrator 2 0 100000 Kb

Dynamic Data Masking is not encryption. If you want to protect your data from prying eyes, and you can't prevent those prying eyes from writing their own ad hoc queries, you'll need to use other features, either in addition or as an alternative. Purple notes 4 3.

• Transparent Data Encryption -Protects the data if, for example, someone steals your backup, but doesn't protect the database running on the physical machine (and the sysadmin and anyone with sufficient access to the certs can get at the data).
• Always Encrypted -Protects the data in motion and at rest, and can be set to be decrypted only by the application, meaning it can be protected from the sysadmin as well.
• Row-Level Security -Protects prying eyes from seeing the data in specific rows, but there are potentially going to be similar holes here too (I'll take a closer look at this in a future tip).

Picture Instruments Mask Integrator 2 0 100000 Btu

I'm sure there are a lot of 3rd party tools that might suit your scenario as well. The point is, if you're Target, Home Depot, or Ashley Madison, Dynamic Data Masking is probably not the feature you're going to want to use to restore trust in your user base (at least, not on its own). The use cases for DDM are:

• You want to shield data from users and can control their data access through queries in application code or stored procedures (no ad hoc query access).

That's it.

Even Microsoft's own documentation explicitly warns you against trying to use DDM to protect your data from users with ad hoc query rights:

The purpose of dynamic data masking is to limit exposure of sensitive data, preventing users who should not have access to the data from viewing it. Dynamic data masking does not aim to prevent database users from connecting directly to the database and running exhaustive queries that expose pieces of the sensitive data. Dynamic data masking is complementary to other SQL Server security features (auditing, encryption, row level security0005) and it is highly recommended to use this feature in conjunction with them in addition in order to better protect the sensitive data in the database.

Summary

Dynamic data masking provides a simple way to implement obfuscation of private data (and in my tests so far, the performance impact is negligible). It is important to understand the limitations, and keep in mind that it is not true encryption and that the data cannot be protected in all scenarios. In another tip I will talk about a more end-to-end way to protect sensitive data, even from the sysadmin role, in SQL Server 2016: Always Encrypted.

Next Steps

• Download the latest SQL Server 2016 CTP (or register for a trial of Azure SQL Database v12, where this feature appeared first).
• Try out Dynamic Data Masking in scenarios where it may seem useful.
• See these other security-related tips:

About the author

Why FevIR Scan?

FevIR Scan 2 elevated temperature screening system and face mask detection is ideal for high speed individual screening of high pedestrian areas such as airports, transport systems, manufacturing plants, factories, schools and other public venues.

See why businesses around the world are using FevIR Scan systems from Thermoteknix Taskpaper 3 7 3 – simple to do list.

In CTP 2.0, all that was necessary to bypass the masking was to convert to a compatible but different data type. For example:

Results:

In CTP 2.1, they fixed that.. you don't get the original masking, but you no longer see the actual values:

However, there were still other holes; for example, you only had to add an alias (several people assume this involved a join or putting the query in a view, but an alias that doesn't match the original name is all that's needed).Below I am using 'e' as the alias for table 'Employees' to get around this:

Results:

In CTP 2.2, they've fixed that one.. but there are other holes remaining. This should not be considered an exhaustive list, but all of the following yield similar results (I'm going to stop showing the unmasked results now):

Resolume arena 5 0 1 download free. Populate a #temp table, @table variable, or use SELECT INTO

Run the query from a second database, where the user *is* db_owner

First, create a second database and add peon to db_owner:

Now, you won't be able to use EXECUTE AS directly, but if you establish a new session, log in as peon, connect to the DDM2 database, and run the following query, you'll see the unmasked values:

Infer or make deductions about the data based on filters

It's also quite easy to make inferences about the data based on where clauses and join criteria, for example both of these queries return two rows (Wayne and Teemu):

Long story short

Picture Instruments Mask Integrator 2 0 100000 Kb

Dynamic Data Masking is not encryption. If you want to protect your data from prying eyes, and you can't prevent those prying eyes from writing their own ad hoc queries, you'll need to use other features, either in addition or as an alternative. Purple notes 4 3.

• Transparent Data Encryption -Protects the data if, for example, someone steals your backup, but doesn't protect the database running on the physical machine (and the sysadmin and anyone with sufficient access to the certs can get at the data).
• Always Encrypted -Protects the data in motion and at rest, and can be set to be decrypted only by the application, meaning it can be protected from the sysadmin as well.
• Row-Level Security -Protects prying eyes from seeing the data in specific rows, but there are potentially going to be similar holes here too (I'll take a closer look at this in a future tip).

Picture Instruments Mask Integrator 2 0 100000 Btu

I'm sure there are a lot of 3rd party tools that might suit your scenario as well. The point is, if you're Target, Home Depot, or Ashley Madison, Dynamic Data Masking is probably not the feature you're going to want to use to restore trust in your user base (at least, not on its own). The use cases for DDM are:

• You want to shield data from users and can control their data access through queries in application code or stored procedures (no ad hoc query access).

That's it.

Even Microsoft's own documentation explicitly warns you against trying to use DDM to protect your data from users with ad hoc query rights:

The purpose of dynamic data masking is to limit exposure of sensitive data, preventing users who should not have access to the data from viewing it. Dynamic data masking does not aim to prevent database users from connecting directly to the database and running exhaustive queries that expose pieces of the sensitive data. Dynamic data masking is complementary to other SQL Server security features (auditing, encryption, row level security0005) and it is highly recommended to use this feature in conjunction with them in addition in order to better protect the sensitive data in the database.

Summary

Dynamic data masking provides a simple way to implement obfuscation of private data (and in my tests so far, the performance impact is negligible). It is important to understand the limitations, and keep in mind that it is not true encryption and that the data cannot be protected in all scenarios. In another tip I will talk about a more end-to-end way to protect sensitive data, even from the sysadmin role, in SQL Server 2016: Always Encrypted.

Next Steps

• Download the latest SQL Server 2016 CTP (or register for a trial of Azure SQL Database v12, where this feature appeared first).
• Try out Dynamic Data Masking in scenarios where it may seem useful.
• See these other security-related tips:

About the author

Why FevIR Scan?

FevIR Scan 2 elevated temperature screening system and face mask detection is ideal for high speed individual screening of high pedestrian areas such as airports, transport systems, manufacturing plants, factories, schools and other public venues.

See why businesses around the world are using FevIR Scan systems from Thermoteknix Taskpaper 3 7 3 – simple to do list.

Thousands of FevIR Scan systems have been shipped worldwide

In today's world of fast transit global travel, outbreaks of infectious disease will cross national and international boundaries in a matter of hours. The SARS, Bird Flu and Swine Flu, H1N1, Ebola virus and now coronavirus (COVID-19), have affected tens of thousands of people and businesses with massive disruption to all people in all walks of life.

The miniature, discreet and ultra portable FevIR Scan Skin Temperature Monitoring system provides peace of mind with high speed sensitive temperature measurement for high volume pedestrian transit areas. The system is based on Thermoteknix FevIRscan combined thermal and colour visual imaging cameras working in conjunction with a blackbody temperature calibration unit for high accuracy temperature measurement with Thermoteknix FevIR Scan 2 software. The FevIR Scan Fever Screening System is a tried and tested screening system which is serving in many countries around the world in Europe, the Middle East, Asia, Central and South America and Africa.

The FevIR Scan thermal imaging and temperature measurement system from Thermoteknix is easily installed, operated and relocated with the very minimum of setup time and operator training. On-screen and audible alerts identify one or more individuals in a large crowd situation with visible temperature tracking, aiding rapid detection and maintaining pedestrian flow. The system is password-protected to prevent unauthorised changes while the flexible configuration software allows the user to select Thermal and Visible Picture Side by Side, or Picture-in-Picture together with recalled images as needed for fever alerts and second level fever screening.

Picture Instruments Mask Integrator 2 0 100000 Dollars

Thermoteknix FevIR Scan systems are shipping now to provide individuals and organisations with confidence in their public health measures protecting their citizens and visitors.

Thermoteknix FevIR Scan 2 System is an adjunctive diagnostic screening system, fully compliant as an approved device, within the FDA Enforcement Policy for Telethermographic Systems during the Coronavirus Disease 2019 (COVID-19) Public Health Emergency: Docket Number: FDA-2020-D-1138

FevIR Scan 2 systems are not intended, nor designed, to diagnose or detect medical conditions including, but not limited to, viruses or other illnesses. Thermoteknix FevIR Scan 2 should be used to perform initial body temperature assessment for triage use. An elevated temperature measurement should be confirmed with secondary evaluation methods (e.g. non-contact infrared thermometer (NCIT) or clinical grade contact thermometer).

Human skin temperature is affected by a wide number of environmental and physiological factors. An elevated facial skin temperature may signify a raised body core temperature; correspondingly, an elevated core temperature may not be accompanied by a raised facial skin temperature. FevIR Scan systems are accurate scientific systems that must be operated strictly in accordance with the manufacturer's Operation Manual. FevIR Scan systems are not intended, nor designed, to diagnose or detect medical conditions including, but not limited to, viruses or other illnesses. Thermoteknix thermal imaging products should only be used to detect variations of surface temperature. In the event that an elevated skin temperature is detected, the subject should be immediately checked with an approved medical thermometer and the finding confirmed. Absence of an elevated skin temperature does not exclude a fever.

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• Caution: Human Skin temperature varies with environment and physiological factors and does not always accurately reflect internal core temperature. Raised Skin temperatures can occur in the absence of fever and vice versa.

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  Elevated temperature screening system, including face mask detection technology, is helping businesses around the world adapt operations and safety protocols to changing mandates on screening.

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  FevIR Scan Fever Screening System for mass screening of high pedestrian areas.

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  FevIR Scan Fever Screening System for mass screening of high pedestrian areas featured on BBC Look East News

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• Thermoteknix FevIR Scan on BBC Look East

  FevIR Scan Fever Screening System for mass screening of high pedestrian areas featured on BBC Look East News

  Watch / Display Video

• FevIR Scan 2

  FevIR Scan Fever Screening System is a skin temperature measurement system for mass screening of high pedestrian areas such as airports, train stations, factories and other public places.

  Watch / Display Video

• FevIR Scan 2

  FevIR Scan Fever Screening System is a skin temperature measurement system for mass screening of high pedestrian areas such as airports, train stations, factories and other public places.

  Watch / Display Video

• FevIR Scan 2

  FevIR Scan Fever Screening System is a skin temperature measurement system for mass screening of high pedestrian areas such as airports, train stations, factories and other public places.

  Watch / Display Video