News of Note—Masergy debuts CASB security offering, BT, Telefónica join PCCW Global and Colt's blockchain trial, Machine learning goes astray

Here are the other stories we're following today:

> Masergy partnered with BitGlass on its new managed cloud access security broker offering, which was designed to detect and manage SaaS security threats. ChannelPartners article

> BT and Telefónica have signed up to take part in PCCW Global and Colt Technology Services' proof-of-concept blockchain trial. Telecom TV article

> Machine learning has gone far afield from science and engineering and into the realm of alchemy, according to a prominent Google researcher. Live Science article

> Telco operators and their vendor partners need to fully embrace automation in order to better compete against cloud companies such as Google and Amazon, according to GlobalData Technology Analyst Ron Westfall. Release.