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5 and 6B Series MSO Declassification and Security Instructions
This document helps you with data security concerns to sanitize or remove memory devices from their 5 Series B and 6 Series B MSO instrument. The instructions also support 5 Series MSO instruments with a serial number of B020000 and above or C040000 and above.
此手册适用于:
MSO64B, MSO66B, MSO68B, MSO56, MSO58, MSO54B, MSO56B, MSO58B
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Preface
This document helps customers with data security concerns to sanitize or remove memory devices from their instrument.
This series of instruments contains an open architecture PC with removable mass storage. You can order additional removable mass storage devices to swap in and out of the instrument as needed for security reasons.
These products have data storage (memory) devices and data export interfaces (USB ports, Ethernet, and eSATA). These instructions describe how to clear or sanitize the memory devices and disable the data output interfaces. The instructions also describe how to declassify an instrument that is not functioning.
Products
- 5 Series MSO Instruments (MSO54, MSO56, MSO58) with a serial number of B020000 and above or C040000 and above
- 5 Series B MSO instruments (MSO54B, MSO56B, MSO58B)
- 6 Series B MSO Instruments (MSO64B, MSO66B, MSO68B)
Terms
The following terms may be used in this document:
-
Clear. This eradicates data on media/memory before reusing it in a secured area. All reusable memory is cleared to deny access to previously stored information by standard means of access.
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Erase. This is equivalent to clear.
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Media. Storage/data export device. A device that is used to store or export data from the instrument, such as a USB port/USB flash drive.
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Sanitize. This removes the data from media/memory so that the data cannot be recovered using any known technology. This is typically used when the device will be moved (temporarily or permanently) from a secured area to a nonsecured area.
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Scrub. This is equivalent to sanitize.
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Remove. This is a physical means to clear the data by removing the memory device from the instrument. Instructions are available in the product service manual.
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User Accessible. User is able to directly retrieve the memory device contents.
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User-Modifiable. The memory device can be written to by the user during normal instrument operation, using the instrument user interface or remote control.
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Volatile memory. Data is lost when the instrument is powered off.
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Non-user-accessible memory. Data is retained when the instrument is powered off.
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Power off. Some instruments have a “Standby” mode, in which power is still supplied to the instrument. For the purpose of clearing data, putting the instrument in Standby mode does not qualify as powering off. For these products, you must remove the power source from the instrument.
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Instrument Declassification. A term that refers to procedures that must be undertaken before an instrument can be removed from a secure environment. Declassification procedures include memory sanitization and memory removal, and sometimes both.
Clear and sanitize procedure
The memory device tables list the volatile and nonvolatile memory devices in the standard instrument and listed options. Procedures to clear or sanitize these devices, if any, are given in each table.
Terms
-
User data. Describes the type of information stored in the device. Refers to waveforms or other measurement data representing signals connected to the instrument by users.
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User settings. Describes the type of information stored in the device. Refers to instrument settings that can be changed by the user.
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Both. Describes the type of information stored in the device. It means that both user data and user settings are stored in the device.
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None. Describes the type of information stored in the device. It means that neither user data or user settings are stored in the device.
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Directly. Describes how data is modified. It means that the user can modify the data.
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Indirectly. Describes how data is modified. It means that the instrument system resources modify the data and that the user cannot modify the data.
Memory devices
The following tables list the memory devices in the instrument.
| Type & min. size | Function | Type of user info stored | Backed up by battery | Method of modification | Data Input method | Location | User access | Clear | Sanitize |
|---|---|---|---|---|---|---|---|---|---|
| SDRAM ≥ 32 GB | Host processor memory | Both | No | Directly | Written by processor system | Module socket (SODIMM) on processor module board | Yes | Remove power from the instrument for a minimum of 30 seconds. | |
| SDRAM ≥4 GB | Holds active acquisition data | User data | No | Indirectly | Application software operations | Module socket (SODIMM) on acquisition board | No | Remove power from the instrument for a minimum of 30 seconds. | |
| SDRAM ≥512 MB | Holds video graphics data | User data | No | Indirectly | Application software operations | Acquisition board | No | Remove power from the instrument for a minimum of 30 seconds. | |
| CMOS RAM ≥256 Bytes | Holds clock and BIOS configuration data | None | Yes | Indirectly | BIOS operations | Processor module board | Yes | Remove power from the instrument and press the CMOS clear button for a minimum of 30 seconds. | |
| Type & min. size | Function | Type of user info stored | Method of modification | Data Input method | Location | User access | Clear | Sanitize |
|---|---|---|---|---|---|---|---|---|
| EEPROM ≥2 Kbit | Stores factory data, maintenance data, and user password | User settings User password is settable using PI commands | Indirect | Factory operations and programmatic commands | Acquisition board | Yes | Overwrite user password. (see Overwriting the user password.) Clearing or sanitizing the entire memory device would disable instrument functionality. | |
| EEPROM ≥2 Kbit | Holds AFG calibration data | None | Indirect | Factory operations | AFG riser board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| EEPROM ≥64 Kbit | Holds the front panel USB configuration | None | None | Factory operations | Front panel LED board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| EEPROM ≥1 Kb depending on model | Holds the SODIMM memory configuration data (SPD) | None | None | Factory operations | Module socket (SODIMM) on processor module board and module socket (SODIMM) on acquisition board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory 16 Mbit to 512 Mbit Two pieces | Holds a portion of the Acquisition FPGA configuration | None | Indirect | Application software operations | Acquisition board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory ≥128 Mbit | Stores processor BIOS firmware, BIOS configuration, and embedded controller firmware. The Ethernet MAC address is stored in this device. | None | Indirect | BIOS operations, operating system operations and factory operations | Processor module board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory Unspecified size, three pieces | Stores power supply configuration data | None | Indirect | Application software operations | Internal to the UCD9248 power supply controller on the acquisition board and processor carrier board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory ≥32 KB | Stores power management controller firmware | None | Indirect | Application software operations | Internal to the MC9S08 microcontroller on the acquisition board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory ≥64 KB one piece | Stores analog board microcontroller firmware | None | Indirect | Application software operations | Internal to the MKL14 microcontroller on the analog board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| FLASH Memory on-chip 128KB and 32KB SRAM | Processor drives an EMMC NAND flash part that is 4 GB of memory and stores the factory calibration and licensing information | None | Indirect | Application software operations | MKL27 microcontroller on the front panel board. MKL02 parts on the front-end acquisition board. They each have 32KB on-chip FLASH. There is one MKL02 per channel. | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
| Flash Memory ≥0.33 Mbit | Stores the processor carrier FPGA configuration | None | None | Factory operations | Internal to the LCMXO2 FPGA on the processor carrier board | No | Not applicable, does not contain user data or settings. Clearing or sanitizing would disable instrument functionality. | |
The following table contains user-accessible memory devices. Only one of the following Solid State Drives may be connected to the instrument at a time.
| Type & min. size | Function | Type of user info stored | Method of modification | Data Input method | Location | User access | Clear | Sanitize |
|---|---|---|---|---|---|---|---|---|
| Linux Solid State Drive ≥256 GB (default option) | Host instrument Linux operating system and application software. Holds user-storable data such as waveforms, measurement results, and instrument settings. | Both | Directly | Written by processor system, software operations, user input | 2.5" SSD that is removable and is inserted in the socket on the bottom of the instrument. | Yes | There is no Tektronix recommended process for clearing the drive. To clear the Linux Solid State Drive, destroy the SSD and purchase a replacement (SUPx-LNX). | Remove the SSD assembly from the instrument through the trap door in the bottom of the instrument. |
| Linux Solid State Drive ≥500 GB (SUPx-LNX) | ||||||||
| Windows 10 Solid State Drive ≥500 GB (x-WIN or SUPx-WIN) | Host instrument Windows operating system and application software. Holds user-storable data such as waveforms, measurement results, and instrument settings. | Both | Directly | Written by processor system, software operations, user input | 2.5" SSD that is removable and is inserted in the socket on the bottom of the instrument. | Yes | There is no Tektronix recommended process for clearing the drive. To clear the Windows Solid State Drive, destroy the SSD and purchase a replacement (SUPx-WIN). | Remove the SSD assembly from the instrument through the trap door in the bottom of the instrument. |
Media and data export devices
The following table lists the data export devices in the instrument.
| Type | Function | Method of modification | Data input method | Location | User access | Disable |
|---|---|---|---|---|---|---|
| USB Host port (supports removable USB flash drive) | User storage of reference waveforms, screen images, and instrument setups, and installation of firmware updates | Directly | User writeable | Three USB host ports on front panel of the instrument; four USB host ports on the back panel of the instrument | No | USB Host ports can be disabled for use with USB Storage devices behind password control. This option is available if Option 5/6-SEC is installed. |
| USB Device port | Supports remote control and data transfer to a PC | Directly | Remote control using USBTMC | USB Device port on back of the instrument | Yes | The USB Device port can be disabled by selecting Utility > I/O > USB DevicePort, and setting USB Device port to Off. This option is available if Option 5/6-SEC is installed |
| Ethernet | Transfer data and remote control of instrument. | Directly | Remote Control using LXI or Socket Server | Ethernet port on back of instrument | No | Ethernet port can be disabled behind password control. This option is available if Option 5/6-SEC is installed. |
Option 5/6-SEC for a secure instrument
Option 5/6-SEC provides the highest level of instrument security for 5 Series1, 5 Series B and 6 Series B MSO products. Option 5/6-SEC features include:
- Password protection to enable/disable external communication ports
- Password protection to enable/disable firmware upgrades or downgrades
- There is also a special BIOS installed that includes a default password ("Tektronix"). Additionally when the CMOS reset is pressed the BIOS password is reset to "Tektronix" instead of being removed.
 | Note:Option 5/6-SEC must be ordered at the same time as ordering an instrument. |
Overwriting the user password
Use this procedure to change the user password. The user password is not currently functional or accessible in the oscilloscope user interface, but it is accessible from the programmatic interface. The user password is used to protect a "user string" that can be set and displayed in the UI. This functionality is a legacy functionality and while the user password does exist through the programmatic interface, there is no function to display the user string in the user interface on this instrument.
- Connect a PC to the oscilloscope (Ethernet or USB Device port).
- Use a Windows remote terminal or similar program to communicate with the oscilloscope. Tap the Utility > I/O menu on the oscilloscope to see the current instrument settings.
- Send the following commands to the oscilloscope:
-
:PASSWORD "XYZZY"(or current password if changed from the default of "XYZZY")
- :NEWPASS "NEWPASSWORD"
(Or other password up to 16 characters)
-
If you do not have access to a program that supports sending programmatic commands to the instrument, do the following:
- Copy the preceding commands to a text file.
- Compress the text file into a ZIP archive file that ends in ".set".
- Copy the file to a USB drive.
- Insert the USB drive into the oscilloscope.
- Recall the file from the Recall Setup dialog box (File > Recall > Setup tab).
For more information on using programmatic commands, refer to your product programmer manual, available at www.tek.com/manuals.
Clearing or sanitizing SSDs
Clearing means that all customer-generated data in reusable memory (acquisition records, settings, measurements, screen captures, reports, and so on) is modified such that the data cannot be recovered using standard means of access. Standard means of access includes typical OS file utilities. The data may still be on the memory device, but requires specialized software and/or hardware to recover. You typically clear an instrument when you want to erase files to clear space or turn the instrument over to another person or department.
Sanitizing means that all data in reusable memory is changed or overwritten such that the original data is no longer in memory, and the older data cannot be recovered using any known technology. You typically do a sanitize operation when you move an instrument (temporarily or permanently) from a secured area to a non-secure area.
The instrument does not have any function to clear or sanitize Linux or Windows 10 Solid State Drives (SSD) while maintaining instrument operation. To ensure user data has been sanitized, destroy your current SSD and order a replacement drive with either SUPx-LNX or SUPx-WIN depending on your operating system and scope model.
For instruments where the drive is customer replaceable, reverse the installation steps in the 5/6 Series MSO Option SSD Upgrade Kit Installation Instructions (part number 0713524xx) to remove the drive. All documents are available at tek.com/downloads.
For instruments without customer replaceable drives, please contact Tektronix Calibration & Services to make arrangements.
How to sanitize a non-functional instrument
If your instrument is not functioning, proceed as follows to sanitize the instrument to return to Tektronix for repair:
- Remove any attached USB flash drives or external USB drives from your instrument. Refer to your company's internal policies regarding handling or disposal of the flash drives.
- Remove the solid state drive from your instrument and destroy it. Refer to your company's internal policies regarding handling or disposal of solid state drives.
- Contact Tektronix Calibration and Services to make arrangements to order a new solid state drive and return your instrument. The new solid state drive will be installed and the instrument will be calibrated and returned.
Repair charges
Replacement of any missing hardware will be charged according to the rate at the time of replacement.