Patricia Boal speaks with tech and cybersecurity expert Ritesh Kotak about the gradual resumption of services following the wide-scale Microsoft outage that began on Thursday, and what we can make of the risks of an outage of this scale.

<p>Patricia Boal speaks with tech and cybersecurity expert Ritesh Kotak about the gradual resumption of services following the wide-scale Microsoft outage that began on Thursday, and what we can make of the risks of an outage of this scale.</p>