atm
TRANSCRIPT
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ATMSTANDARD CHARTER BANKFAISAL IQBAL
SAMI UMER
HAMZA BABAR
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ATM Definition
Asynchronous Transfer Mode (ATM)
A high-performance, cell-oriented switching and multiplexing technology that utilizes fixed-length packets to carry different types of traffic.
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COMPONENTS
Hardware
Software
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HARDWARE
CPU
Magnetic/Chip reader
Display: Touch screen or with function keys
Crypto processor
Record Printer
Vault
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Software
Front End: OS2, Linux, Unix, MS Windows
Firmware (coded in C++/Java)
Back End: DBMS – Oracle, MS SQL Server etc
(Distributed databases situated at the bank’s sites)
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Security
TANGIBLE SECURITY
TRANSACTIONAL SECURITY
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TANGIBLE SECURITY
1.Stainless steel housing and a mechanical box
2.Time-delay lock box.
3.GPS enabled network.
4.Installation of CCTVs.
5.Security Guards.
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THREATS
Threat A: Internet Protocol Worms
Threat B: IP Network Disruption/Denial of Services
Threat C: Data Collection for Malicious purposes
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THREAT PREVENTION
THREAT
PREVENTION
A (Nachi worm) Installing software based firewall
B (sapphire worm) Separation of ATM from Public Internet (patch management)
Virtual and physical separation of ATM
Networks (VPN)
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How it works
GATEWAY (For verification)
BANK
CONSUMER
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ATM Functions
Service is connection oriented, with data transferred over a VC
A cell-switched network (architecture).
Fixed-size cell (53-Bytes)
Uses Asynchronous time-division multiplexing (Asynchronous TDM).
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Advantages
Revenue opportunities:
High performance via hardware switching.
Dynamic bandwidth for bursty traffic.
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Disadvantages
Processing overhead as messages are segmented into cells
Segmentation mismatch, as the last cell in a fragmented message may not be fully used.
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Pin Capturing
Personal Identification Number (“PIN”) capturing is a worldwide problem.
PIN capturing refers to a method of strategically attaching
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ATM Commands
Command Description atm filter-expr
Configures an ATM address filter that matches patterns.
atm filter-set
Creates an ATM address filter set.
show atm filter-expr
Displays a specific ATM filter expression or a summary ATM filter expression.
show atm filter-set
Displays a specific ATM filter set or a summary ATM filter set.
atm accounting (interface)
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ATM Networking
ATM Devices and the Network environment.
ATM is a cell-switching and multiplexing technology that combines.
The benefits of circuit switching (guaranteed capacity and constant.
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ATM Errors
1. Notify the bank or ATM owner.
2. Act quickly.
3. Link down.
4. Amount deduct from account but did not come out from atm machine.
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