In episode 3 of the Immutable Podcast, Stefan and Ian talk to Tam Calman (Sales and Marketing Director) and Craig Reid (Technical Manager) of QNAP UK. They talk about how the NAS market has changed in the eight years they have worked at QNAP, including; innovations QNAP have made in their operating systems; QTS and the new QuTS Hero ZFS-based operating system; how to choose between them; the pros and cons of ZFS. QNAP open up about cyber security and how they are making changes to reduce the threat to the QNAP customers, and the impact of the Deadbolt ransomware attacks.