Transcript Slide 1

“Everyone full control or what?” Security challenges inside a company

(WSUS, Wireless, Password policies: An introduction

Who are we?

 Henk Maeghs  10 years Océ  HTS Technical computer science  System Support Engineer  Mark Theeuwes  8 years Océ  HTS Technical computer science  System Support Engineer 2

Canon

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http://www.oce.com

Facts & Figures

 Océ:  24,000 employees world wide  Head office in Venlo  30 countries  IT corporate / IT Venlo 4

Facts & Figures IT

 Océ (Venlo):  IT specialists?

 Servers ?

 Clients?

 Storage?

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Facts & Figures IT

 Océ (IT): 

100 IT specialists

 Servers ?

 Clients  Storage?

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Facts & Figures IT

 Océ (IT):  100 IT specialists 

500 servers

 Clients  Storage?

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Facts & Figures IT

 Océ (IT):  100 IT specialists  500 servers 

5000 workstations

 Storage?

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Facts & Figures IT

 Océ (IT):  100 IT specialists  500 servers  5000 workstations 

200 Tb storage

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IT security

 "the right people get the right information at the right time for the right reason".

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IT Security: a short introduction

The CIA triad

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CIA triad: confidentiality

 About privacy and authentication 12

Some examples……..

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CIA triad: Availability

 After a disaster you need a recovery….. 14

Availability: other examples

Service Level Agreements Data Center 15

CIA triad: integrity

 Firewalls, antivirus software, CRC and Windows Updates 16

CIA integrity: Windows Updates

Exploit Wednesday

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Why updates?

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Hotfixes………..

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Patches………….

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Service packs…………

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W indows S erver U pdates S ervices ( WSUS )

Upstream Downstream 22

Download of updates at Microsoft

Express (delta) versus full 23

BITS (Background Intelligent Transfer Service)

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WSUS Group Policy

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WSUS settings (applied by a group policy)

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On the desktop

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“Houston, we’ve got a problem

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Patch Tuesday

    MS bulletin about new updates Approval updates on test systems Approval in production Minimizing risks by phased updating 29

WSUS Management Console: approval per group

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Time for a break

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