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Monthly Archives: December 2018

Expired certificates to blame in O2 outage
7 Dec 2018

Expired certificates to blame in O2 outage

by Jennifer Daffron | posted in: Viewpoints | 0

by Jennifer Daffron and Kelly Quantrill The nearly 24-hour outage of the O2 4G network that affected O2’s 25 million customers has been traced to an expired certificate in a software used by their supplier Ericsson. What exactly does this … Continued

cyber, o2 outage, tls certificate
Supply chain disruption hits O2 network causing global outage
6 Dec 2018

Supply chain disruption hits O2 network causing global outage

by Jennifer Daffron | posted in: Viewpoints | 0

by Jennifer Daffron and Kelly Quantrill Across the UK, over 25 million customers of the O2 network, including people signed up to Tesco Mobile, Sky, Lycamobile and GiffGaff, are forced to rely on WiFi connectivity for access to the internet … Continued

cyber
Impact of cyber attacks continue to increase on a global level: Global Risk Index 2019
4 Dec 2018

Impact of cyber attacks continue to increase on a global level: Global Risk Index 2019

by Jennifer Copic | posted in: Viewpoints | 0

The 2019 Global Risk Index sees a further increase in the level of global risk, with expected loss increasing to 1.57% (or $577 bn) of global GDP, from 1.54% in the 2018 Global Risk Index. This rise has been driven … Continued

Cambridge Global Risk Index, gdp@risk

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VIEWPOINTS is informed by the research being carried out at the Centre for Risk Studies at the University of Cambridge Judge Business School.

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