The National Cyber Security Alliance (NCSA) reminds us that, our day-to-day life depends on the country s 16 sectors of critical infrastructure, which supply food, water, financial services, public health, communications and power. A disruption to this system, which is operated via the internet, can have significant and even catastrophic consequences for our nation. The most reported critical infrastructure vulnerabilities deal with the power grid. Cybercriminals have been targeting commercial sector with as much aggression and skill as their attacks against government.
Source: https://www.bleepingcomputer.com/news/security/critical-infrastructure-and-supply-chain-remain-highly-vulnerable-to-attacks/