Tech challenges

Researchers Created Fake 'Master' Fingerprints to Unlock Smartphones
It’s the same principle as a master key, but applied to biometric identification with a high rate of success.

'The biggest, strangest problem I could find to study'

His analysis shows that only a small percentage of the traffic is benign.

That fraction comes from search engines indexing websites or organisations such as the Internet Archive scraping sites. Some comes from security companies and other researchers.

The rest of the internet's background noise - about 95% - is malicious.