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Simon Woodhead CEO
Simwood eSMS Limited https://www.simwood.com/@simwoodesmsTel: +44 330 122 3000
VoIP Fraud
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www.simwood.com
US IF YOU’RE NOT FAMILIAR
Wholesale Voice to 590 providers worldwide
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www.simwood.com
MORAL JUDGEMENT MANY YEARS AGO:
Do not want to profit from customers misfortune
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www.simwood.com
TRY OUR BEST TO PROTECT THEM
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www.simwood.com
PICTURE THE SCENE…
Christmas Eve 2013
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www.simwood.com
AND THEN…
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BUT OTHERS FOLLOWED…
For 9 days a customer fell
victim every night
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ON EVERY OCCASION…
They were unaware
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www.simwood.com
YES…
Even those attacked
repeatedly
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SCORE SHEET…
Hours sleep lost:
27
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www.simwood.com
SCORE SHEET…
Customer cost saved:
£200k
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www.simwood.com
SCORE SHEET…
Actual customer cost (spend with Simwood):
£150
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SCORE SHEET…
Actual customer cost (overflowed):
?
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SCORE SHEET…
Most heard expression: “We must implement your fraud controls
in the New Year”
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SCORE SHEET…
Pro-active customers compromised:
0
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www.simwood.com
SO I GOT GRUMPY…
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SERIOUS MESSAGE / LESSONS LEARNED:
VoIP Fraud is now organised
crime
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SO WE DECIDED TO DO MORE, AND I WENT ON TOUR…
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AND LEARNED LOTS…
VoIP Fraud is now organised
crime
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AND LEARNED LOTS…
They know who you are
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AND LEARNED LOTS…
They have reconned your
equipment
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www.simwood.com
AND LEARNED LOTS…
They have planned their
exploit
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AND LEARNED LOTS…
They await opportunity
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www.simwood.com
QUICK DEMO…
16:21 Clean VM installed
off our network
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QUICK DEMO…
17:02 First recon
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QUICK DEMO…
Which we did not respond to
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QUICK DEMO…
Overnight Nothing more
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QUICK DEMO…
10:08 Installed Asterisk
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QUICK DEMO…
12:35 Another recon
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QUICK DEMO…
Which we did respond to
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QUICK DEMO…
14:00 14:32 16:47 17:30
More recon…
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QUICK DEMO…
17:49 First attempted
call
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QUICK DEMO…
18:06 18:13 18:20
and so on…
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QUICK DEMO…
02:12 first attempted
registration
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QUICK DEMO…
All single packets
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QUICK DEMO…
Unnoticeable in production
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QUICK DEMO…
Even dialled the ‘test numbers’ we identified
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QUICK DEMO…
Started within 41 minutes!
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MORE LESSONS LEARNED…
You’ll know 50% of this
stuff
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MORE LESSONS LEARNED…
The other 50% will be
‘interesting’
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MORE LESSONS LEARNED…
But you’ll do nothing with it
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PLEASE…
Prove me wrong