An illustration shows a padlock in front of binary code on a laptop screen. | Kirill Kudryavtsev/AFP via Getty Images This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here. Are we living through “Black October”? Maybe, according to cybersecurity experts who are raising the alarm about AI’s increasingly sophisticated and far-reaching hacking abilities.  This week alone has seen a string of alarming incidents where AI uncovered previously unknown security flaws deep in the infrastructure of...