Addressing Threats and Vulnerabilities in Critical Interconnected - PowerPoint PPT Presentation

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Addressing Threats and Vulnerabilities in Critical Interconnected Systems Jon Kleinberg Cornell University Washington DC Metro Map wmata.com Power Grid Florida Power Grid (Dale et al, Xu et al) Boston, Google Maps Social Network Facebook

Addressing Threats and Vulnerabilities in Critical Interconnected Systems Jon Kleinberg Cornell University
Washington DC Metro Map wmata.com
Power Grid Florida Power Grid (Dale et al, Xu et al)
Boston, Google Maps
Social Network Facebook user’s friends (Marlow et al)
Financial Network Loans among banks (Bech and Atalay)
First Mechanism: Transmission
First Mechanism: Transmission Measles transmission (Currie et al)
First Mechanism: Transmission HIV transmission (Potterat et al)
Second Mechanism: Unraveling D C B A If node B depends on node A , and node A fails, then B may fail.
Second Mechanism: Unraveling D C B A If node B depends on node A , and node A fails, then B may fail.
Second Mechanism: Unraveling D C B A If node B depends on node A , and node A fails, then B may fail.
Second Mechanism: Unraveling D C B A If node B depends on node A , and node A fails, then B may fail.
Second Mechanism: Unraveling D C B A If node B depends on node A , and node A fails, then B may fail.
Second Mechanism: Unraveling Power grid (Schafer et al)
Themes for Network Cascades (1) Critical nodes (2) Cascading behavior as a design goal (3) Predictability (4) Early-warning signals
Critical Nodes “Single point of failure” Can be either a good or a bad thing, depending on the objective.
Critical Nodes
Critical Nodes Knoxville News Sentinel
Critical Links for Unraveling Power grid (Schafer et al)
Cascading Behavior as a Design Goal
Cascading Behavior as a Design Goal LinkedIn invitations (Anderson et al)
Themes for Network Cascades (1) Critical nodes (2) Cascading behavior as a design goal (3) Predictability (4) Early-warning signals
Sudden Onset (Networkx, networkx.github.io)
Early-Warning Signals Facebook reshares (Cheng et al)
Early-Warning Signals Signals in financial network (Battiston et al, Squartini et al)
Themes for Network Cascades (1) Critical nodes (2) Cascading behavior as a design goal (3) Predictability (4) Early-warning signals

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