Cyber-attacks by Hamas against Israel have grown by 900 percent since the beginning of the Israeli-Hamas conflict. Israel exports about $3 billion in cybersecurity products and services, three times greater than Britain. Israel is a global powerhouse in cybersecurity, with about 20 multinational companies conducting cybersecurity research there. Hamas loyalists sent text messages to Israelis’ mobile phones, purportedly from Israeli security services, warning: “Rocket from Gaza hit petrochemical plant in Haifa, huge fire, possible chemical leak, advised to evacuate””]
Source: https://www.careersinfosecurity.com/israeli-cybersec-sector-copes-war-a-7115