FUJ00124229
FUJ00124229
Post Office Ltd
CONFIDENTIAL
Witness ; Statement
Statement
of:
Age if under (if over 18 insert
18: ‘over 18°)
1, Introduction
Jenkins. am
vide the
I
od by
es around the
Offic
rt rather
worked
Signature , Signature
GRO witnessed by
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Of 11 Pages
Continuation
Statement of
ry the Horlz
i role was in the integrat
and repi
the des
from Hor
ntegrity
some general information
ig to vide some round
views
Signature
minesses ty GRO
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 3 of 11 Pages
Continuation
Statement of
tion
ine
complete
and
Signature
witnessed by
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 4 Of 11 Pages
Continuation Gareth Idris
Statement of
i Manag
* Posting Remune {Royal Mail Group’s back end
Payroll sys
Ltd
and Utility
Audit
Write
wddit
Extract
Data’
Extract
Audit Store
Replication
Audit Retrieval
Journal
Figure 1 ~ Horizon Data Flows
Signature Signature G RO
GRO witnessed by
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 5 Of ll Pages
Continuation
Statement of
successfully
there it
of ters in
branch to the additional external storage
from the gateway counter
¢
is also pass
lar
being
then fu
e made
te the data at f vals it copled
fully. once copy is
udit added
trail
the audit trail
can also ac
However such
Signature
witnessed by
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 6 of 41 Pages
Continuation
Statement of
the
point
any meth
replicated
Pe
The data for
hard disk be
ugh an athempt will
syst
replication wi
For example if there is a Network Failure
lure there is a
that transa
{known as a
reading
Logs which are held
ediate diagnosis
sen where £
Any failures to write
GRO witnesses ty = GRO
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 7 Of 11 Pages
Continuation
Statement of
is retri audit enguiries a number of
carried out:
1. The audit files have not bear
tampered with (ie the Seals on the
tions have their CRCs checked to ensure that
upted,
. there are
Data Copy
Oracie
Write
Audit Store
BAL Massage
Figure 2 ~ Horizon Online Data Flows
Signature Signature
GRO witnessed by
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 8 of Al Pages
Continuation
Statement of
Pransactior
a Basket.
up during a Customer Se
@ Basket Entry consisting of one
ion wh the
Centre as a BAL
the mes
BROB
nes have been successfully
indicati
are no show the
Basket.
‘tn order to support recovery, the identifier of the last successfully completed Basket is recorded on the
Hard disk at the counter. However this is not classed as Business Data
Signature
witnessed by G RO
GRO
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page 9 Of 11 Pages
NKINS
Continuation
Statement of
used for Litigation
is made that indeed
for any counter and sho
Note
Signature
_ GRO
Signature f , H
witnessed by 4 G RO H
I i
! I
CONFIDENTIAL
Witness Statement
Page 10 Of IL
Continuation
Statement of
the princ
and
carded and
FUJ00124229
FUJ00124229
Pages
ple
Signature
GRO
Signature
witnessed by
I
FUJ00124229
FUJ00124229
CONFIDENTIAL
Witness Statement
Page li Of 11 Pages
Continuation
Statement of
Horizon Integrity
ally
for a number of the
The main
Signature Signature
i GRO witnessed by
FUJ00124229
FUJ00124229