Susan O’Keeffe: HSE attack shows the greatest security risks now are invisible

Last week’s ransomware attack makes it clear that taxpayer money would be better spent in future on protecting our systems rather than restoring them

Under pressure: Anne O'Connor, chief operating officer, HSE; Paul Reid, chief executive HSE; Dr Colm Henry, chief clincial officer, HSE;and Damien McCallion, HSE national lead of vaccination programme. Photograph: Leon Farrell/Photocall Ireland

Let’s be in no doubt, this is a crisis. The absence of blood or bullets is welcome, but don’t read it as a signal that we are not in a war zone. A ransomware attack of the scale and style launched at the HSE in the past few days marks a complete sea-change in how both the state and its citizens must now consider and grasp the very real dangers posed by cybersecurity.

The accepted ...