#26
iStorage datAshur SD
®
User Manual v1.0.8
www.istorage-uk.com
32. How to set the User PIN Brute Force Limitation
Note: The User PIN brute force limitation setting is defaulted to 10 consecutive incorrect PIN entries when
the drive is either completely reset, brute forced or the self-destruct PIN is activated.
33. How to set the User PIN Brute Force Limitation
The brute force limitation for datAshur SD User PIN can be reprogrammed and set by the administrator. This feature can be
set to allow attempts from 1 to 10 consecutive incorrect PIN entries.
To configure the User PIN brute force limitation, first enter the Admin Mode as described in section 5. Once the drive is in
Admin Mode (solid BLUE LED) proceed with the following steps.
PIN used to
unlock drive
Consecutive incorrect
PIN enteries
Description of what happens
User PIN 10
• The User PIN is deleted.
• The Recovery PIN, the Admin PIN and all data remain intact and
accessible.
Recovery PIN 5
• The Recovery PIN is deleted.
• The Admin PIN and all data remain intact and accessible.
Admin PIN
(10 in total)
• After 5 consecutive incorrect Admin PIN entries, the drive will lock and
all LEDs light up solid.
• Enter PIN “47867243” and press the KEY ( ) button to get 3 further
PIN entries.
• After a total of 8 (5+3) consecutive incorrect Admin PIN entries, the
drive will lock and the LEDs blink alternately.
• Enter PIN “47867243” and press the KEY ( ) button to get the final
2 PIN entries (10 in total).
• After a total of 10 consecutive incorrect Admin PIN entries, the
encryption key will be deleted and all data and PINs stored on the
drive (microSD card) will be lost forever.
The table below assumes that all three PINs have been set up and highlights the effect of triggering the brute force defence
mechanism for each individual PIN.
5
3
2
• Enter PIN “47867243” and press the KEY ( ) button, GREEN and BLUE LEDs blink together. The drive is now ready
to accept a further 3 Admin PIN entries
• After a total of 8 consecutive incorrect Admin PIN entries, the drive will lock and the RED, GREEN and BLUE LEDs will
blink alternately. At this point the following steps need to be taken in order to get the final 2 PIN entries (10 in total).
• Enter PIN “47867243” and press the KEY ( ) button, GREEN and BLUE LEDs blink together, the drive is now ready
to accept the final 2 PIN entries (10 in total).
• After a total of 10 incorrect Admin PIN attempts, the encryption key will be deleted and all data and PINs stored on the
drive will be lost forever. Unless you have cloned another datAshur SD as a backup drive, this will also render data on
other microSD cards that have been encrypted by this drive as inaccessible and lost forever too.
Important: A new Admin PIN must be configured if the pre-existing Admin PIN was brute forced, refer to Section
26 on page 22 on ‘How to Configure an Admin PIN after a Brute Force attack or Reset’, the datAshur
SD will also need to be formatted before any new data can be added to the drive.
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