The Internet is a vast place. Bigger than anyone, except a computer scientist, can imagine. It's a massive iceberg. What we see via Google and any other search engine is called the Clearnet and is potentially less than two per cent of what's actually out there, buried deep down in the Darknet or Deep Web.
While I wouldn't want to speculate on if this number is correct or not, I do agree that such is the industrialisation of cybercrime today faced by businesses, governments and consumers, that relatively small numbers of common exploits and cybercrime tools are widely used by the professional gangs operating around the world.
Online safety is a vital factor at every stage of our children's education. Children use the Internet differently at different ages. Just as the way maths is taught varies from key stage 1 to key stage 4, cyber-security must be approached in a way that will be most meaningful to the life of children at different ages.
A Russian group has hacked 1.2 billion usernames and passwords belonging to more than 500 million email addresses... Nowadays hackers actually get more value out of personal information as opposed to credit card details. In fact, one article even points out that Twitter account information is of more worth to a hacker than their credit card.