<b>An expert in cybersecurity lays out an evidence-based approach for assessing user cyber risk and achieving organizational cyber resilience.</b><br><br>Phishing is the single biggest threat to cybersecurity, persuading even experienced users to click on hyperlinks and attachments in emails that conceal malware. Phishing has been responsible for every major cyber breach, from the infamous Sony hack in 2014 to the 2017 hack of the Democratic National Committee and the more recent Colonial Pipleline breach. The cybersecurity community’s response has been intensive user training (often followed by user blaming), which has proven completely ineffective: the hacks keep coming. In <i>The Weakest Link</i>, cybersecurity expert Arun Vishwanath offers a new, evidence-based approach for detecting and defending against phishing—an approach that doesn’t rely on continual training and retraining but provides a way to diagnose user vulnerability.<br> <br>Vishwanath explains h