Cryptocurrencies such as Bitcoin and Monero have become favorites of cyberminals associated with ransomware and malicious coinmining, but there's much more going on beneath the surface.
In this illustrated Hacker History video, security researcher Dan Kaminsky goes back to 2008 and describes how he found the vulnerability in DNS and almost broke the Internet. Unfortunately, DNS still needs to be fixed.
In the face of increased threats to user privacy, companies such as Apple, Google, and others have moved to encrypt more and more channels.
Blockchain technology has uses in security, but experts say it's not the universal answer to security problems.
Security experts are pushing for a new process to disclose hardware vulnerabilities.