This week artificial intelligence showed both of its security faces, days apart. One found holes to fix. The other climbed through holes to break in. They were the same kind of tool. Take the defence first, because it is the good news. Goog

Google says artificial intelligence is dramatically increasing the number of security vulnerabilities it can find and fix in Chrome, with more than 1,000 security bugs patched…

These tools are scanning code at a scale and speed that were not previously possible. In at least one case, the technology exposed a flaw that had...